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Mack Trucks is an iconic American heavy-duty truck manufacturer founded in 1900, widely recognized for its rugged, durable vehicle lineup and famous "Bulldog" brand mascot. It is currently a wholly owned subsidiary of Sweden's Volvo Group, with a global distribution network across more than 65 countries, supplying heavy trucks for logistics, construction, municipal refuse, and military use cases.
Key moments
1900Founded as Mack Brothers Company in Brooklyn, New York, launched its first successful motorized vehicle the same year
1905Relocated its headquarters to Allentown, Pennsylvania, where it operated for over a century
1910sProduced the Model AC truck for Allied forces in World War I, earning the "Bulldog" nickname for its unmatched off-road toughness in muddy combat terrain
1922Officially adopted the formal name Mack Trucks, Inc.
1932Introduced the iconic chrome Bulldog hood ornament as its official brand identifier
1990Fully acquired by Renault Trucks after nearly a decade of technical and commercial cooperation
2000Volvo Group purchased Renault's entire commercial vehicle division, taking full ownership of Mack Trucks
2010Moved its headquarters to Greensboro, North Carolina
2022Launched the all-electric LR refuse truck to expand its zero-emission municipal vehicle product line
2025Celebrated its 125th founding anniversary, announcing ongoing investment in electric and autonomous driving truck technologies
Mack occupies a differentiated, defensible position in the crowded North American heavy-duty truck market, competing directly with established local peers including Freightliner, Peterbilt, and Kenworth. Its market strength does not rely on leading overall long-haul transport truck sales, but on deep, long-term penetration in high-margin, niche application segments where durability and reliability are prioritized over lowest upfront cost.
Unique cultural brand moat: The century-old "Bulldog" heritage and the widespread common American saying "built like a Mack truck" create unusually high loyalty among blue-collar operators, independent haulers, and public sector procurement teams that generic competing truck brands cannot easily replicate with marketing spend alone.
Niche segment dominance: Mack has fine-tuned product lines specifically for refuse collection, heavy construction, and military transport use cases, holding far higher market share in these verticals than it does in the general over-the-road long haul truck market, insulating it from volatile price competition in mass market heavy truck segments.
Parent group synergy advantage: Under Volvo Group ownership, Mack gains access to shared global R&D resources for electric powertrains, fuel efficiency technology and advanced driver assistance systems, while retaining its US market-focused product roadmap and distinct brand identity, avoiding the product misalignment issues that limited its growth under earlier Renault ownership.
Mack Trucks ranks among the most enduring, trusted heavy-duty commercial vehicle brands in the North American market, with its iconic Bulldog mascot serving as a widely recognized cultural marker for rugged, no-compromise durability across blue-collar work and fleet operator communities. More than a century of real-world performance in the harshest operating conditions, from remote mountain construction sites to frontline military supply routes, has cemented a level of user trust that few competing truck brands can match.
As a fully owned subsidiary of the Sweden-based Volvo Group, Mack successfully preserves its distinct heritage-driven brand identity while gaining access to global leading powertrain, electrification, and active safety technology resources. This balance lets the brand retain its loyal base of multi-generational owner-operators, while also attracting a new cohort of fleet managers focused on long-term total cost of ownership rather than only the lowest upfront purchase price.
Unlike consumer-facing mass market brands, Mack’s strength is rooted in deep, niche segment penetration rather than broad public visibility. Its established position in high-margin segments such as municipal refuse, heavy construction, and specialized logistics creates high implicit switching costs for existing customers, forming a defensible competitive moat that competitors have struggled to erode over decades of market rivalry.
Brand leadership
Score: 82/100
Mack holds a leading specialized market share across high-intensity heavy-duty work truck segments in North America, where it is consistently ranked as a top three preferred brand for procurement teams and fleet operators that prioritize long vehicle service life and minimal downtime over the lowest initial purchase cost.
Stakeholder interaction
Score: 76/100
The brand maintains long-standing, direct engagement channels with independent truck drivers, large fleet management teams, and public sector procurement partners, including custom vehicle specification consultation services, dedicated owner-operator community platforms, and structured feedback loops that feed directly into new product development cycles.
Brand momentum
Score: 71/100
Leveraging parent Volvo Group’s global zero-emission technology roadmap, Mack has launched a full line of purpose-built electric heavy-duty trucks for urban refuse and last-mile heavy logistics use cases in recent years, tapping into its existing loyal customer base to drive early adoption without diluting its core rugged work brand identity.
Brand stability
Score: 91/100
Mack has operated continuously for more than 120 years without any major identity rebrands, high-profile product safety scandals, or extended periods of market withdrawal, and its long-term ownership under the Volvo Group provides consistent operational and financial backing that insulates it from the market volatility faced by smaller independent truck manufacturers.
Brand heritage age
Score: 97/100
Founded in 1900, Mack is one of the oldest continuously operating heavy-duty truck brands in North America, with a storied operating history that includes iconic contributions to U.S. military logistics in both World Wars, and repeated references in popular trucking culture that build unmatched generational brand legacy.
Industry profile recognition
Score: 88/100
Within the global heavy-duty commercial vehicle sector, Mack is universally classified as a top-tier premium work truck brand, with its durability performance widely accepted as a standard benchmark that competing brands reference when launching new ruggedized product lines for high-intensity operating use cases.
Global brand reach
Score: 63/100
While Mack’s core market footprint remains heavily concentrated in North America, its integration with the Volvo Group’s global distribution network has expanded its official sales and after-sales service coverage to more than 65 countries, with targeted export of specialty work trucks and military logistics vehicles to markets across Latin America, the Middle East, and parts of Europe.
This brand value assessment is generated using AI-assisted brand strength reasoning frameworks that map segment market position, legacy equity, and operational performance to relative commercial value. All included figures are purely illustrative for reference purposes and do not represent formally audited monetary brand value assessments. Parties seeking official verified audited brand valuation data for Mack Trucks may contact the World Brand Lab directly for formal full-scope evaluation services.
2000
parent
Volvo
website
macktrucks.com
Mack Trucks, Inc. is an American truckmanufacturingcompany and a former manufacturer of buses and trolley buses.Founded in 1900 as the Mack Brothers Company, it manufactured its first truck in 1905 and adopted its present name in 1922.[1] Since 2000, Mack Trucks has been a subsidiary of Volvo, which purchased Mack and its former parent company Renault Véhicules Industriels.[2]
Founded originally in Brooklyn in 1900, the company moved its headquarters to Allentown, Pennsylvania, five years later, in 1905. The company remained in Allentown for over a century, from 1905 until 2009.
Mack products are produced in Lower Macungie, Pennsylvania,[3] and Salem, Virginia.[4] Its powertrain products are produced in its Hagerstown, Maryland, plant.Mack also maintains additional assembly plants in facilities in Pennsylvania, Australia, and Venezuela.The company also once maintained plants in Winnsboro, South Carolina, Hayward, California, and Oakville, Ontario, which are now closed.
Operations
The company's manufacturing facilities are located at their Lehigh Valley Operations facility and division, formally known as the Macungie Assembly Operations Plant, in Macungie, Pennsylvania in the Lehigh Valley region of the state.Mack Trucks is the fourth-largest employer in the Lehigh Valley region as of 2024.[5]
The Mack headquarters, known as the Mack Trucks' World Headquarters is located in Greensboro, North Carolina, where it has resided since 2009.[6]
Mack Trucks is one of the top producers in the vocational and on-road vehicle market, class 8 through class 13. Mack trucks have been sold in 45 countries. Located near its former Allentown corporate headquarters in Macungie, Pennsylvania, the company's manufacturing plant produces all Mack chassis and bodies.
Mack transmissions, TC-15 transfer cases, and rear engine power take-offs are designed and manufactured in Hagerstown, Maryland, which was the original factory location.This plant also produces and designs all Mack engines, including the Mack Defense engines used in tanks and other military applications.[7]
1890: John M. ("Jack") Mack gets a job at Fallesen & Berry, a carriage and wagon company in Brooklyn
1893: John Mack and his brother Augustus F. ("Gus") Mack buy Fallesen & Berry
1894: A third Mack brother, William C. Mack joins his brothers in the company's operations. The Macks explore working with steam powered and electric motor cars
1900: The Macks open their first bus manufacturing plant. Ordered by a sightseeing company, the first "Mack bus" is delivered
1902: The Mack Brothers Company is established in Brooklyn
1904: Mack Brothers introduces the brand name "Manhattan" on its products
1905: Allentown is selected as the home of main manufacturing operations. A fourth Mack brother, Joseph Mack, becomes a stockholder. Mack also begins making rail cars and locomotives.
Products
Current models
North America
List of current models produced for the North American market:[31][32]
Construction Series:
Granite
Granite Axle Back
TerraPro Cabover
Highway Series:
Anthem
Trademark
The company's trademark is the bulldog, which can be found on the front of almost all Mack trucks. A gold-plated bulldog indicates the truck came with all Mack drivetrain including the engine, transmission and axles.
Mack trucks earned their nickname during World War I, when the British government purchased the Mack AC for supplying its front lines.Its pugnacious, blunt-nosed hood, tenacious performance, and durability, reminded the soldiers of their country's mascot, the British Bulldog.[44]The logo was first used in 1921 for the AB chain drive models and became the official corporate logo in 1922.[45]
Leadership
Military models
World War II
Mack built over 35,000 heavy duty military trucks during World War II, most for export under Lend-Lease. None were US Army standard types, all were designed and built exclusively by Mack.
The EH series was a commercial design 5 ton (4,500 kg) 4x2 adapted for military service. The EH, EHU (cabover) and semi-tractor models EHT and EHUT were used by the US Army in Europe. Over 2,400 were built in 1942. [46][47][48]
The LMSW was a commercial design 10 ton (9,070 kg) 6x4 chassis adapted for military wreckers, most were exported to Great Britain. [46]
The NJU (G-639) series were military design 5 ton (5,450 kg) 4x4 semi-tractors used to tow bridging pontoons and equipment.
In popular culture
Five 1970s Mack RS700 series trucks and one Cruise Liner COE were used in the motion picture Convoy[56] starring Kris Kristofferson as Martin "Rubber Duck" Penwald and Ali MacGraw as Melissa.
A 1980s video for the Bananarama song "Cruel Summer" prominently features a red Mack truck.[57]
In the film Cars, Mack is Lightning McQueen's transport, an animated 1985 Mack Super-Liner voiced by John Ratzenberger.Ratzenberger's father drove a Mack truck to deliver oil for three decades.[58] On the "Disney/Pixar Road Trip '06", which promoted the film in a four-month tour of forty-one cities, "Mack" is a 2006 CH Rawhide 460-horsepower Mack truck carrying an Eddie Paul customized Trans Am as "Lightning".
In American Truck Simulator, by the Czech Software Studio SCS Software, players can drive the Mack Anthem
Parts for Mack's right-hand-drive vehicles are produced in Brisbane, Australia for worldwide distribution. Assembly for South America is performed in Macungie alongside the North American trucks. Mack no longer operates Mack de Venezuela C.A., in Caracas, Venezuela.The former Venezuela operation is a complete knock down (CKD) facility. Components were shipped from the United States to Caracas for final assembly.
In addition to its Macungie manufacturing facility, Mack also has a remanufacturing center in Middletown, Pennsylvania.
2008 restructuring plan
On August 14, 2008, Mack Trucks announced a major restructuring plan that included:[8]
Relocation of Mack's head office, product development, most support functions, and purchasing functions to Greensboro, North Carolina, in 2009. Mack's parent, Volvo Trucks, already has its North American base in Greensboro.
Assembly of all produced Mack highway vehicles in Macungie, Pennsylvania, starting 2008
Mack's testing facility in Allentown, Pennsylvania being converted into a "customer demonstration and reception center" in 2010
Restructuring the parts distribution network by 2010 (later delayed to first quarter 2011)
1910: The "Manhattan" brand trucks are rebranded as Mack trucks, and a fifth Mack brother Charles Mack joins the company.
1911: Headed by C.P. Coleman, The Saurer Motor Truck Company acquires rights to manufacture and sell heavy trucks under the Saurer brand name at its plant in Plainfield, New Jersey. On September 23, 1911, the Saurer Motor Truck Company merges with the Mack Brothers Motor Car Company of Allentown headed by J. M. Mack, forming the International Motor Truck Company (IMTC). IMTC continues to make and sell trucks using the Saurer name until 1918. In 1911, IMTC is capitalized at $2.6 million total ($1.6m or 61.5% for Saurer and $1.0m for Mack Brothers).[10]
1912: Brothers John and Joseph Mack leave the company. Mack Truck acquires Hewitt Truck retaining Edward Ringwood Hewitt as consultant.
1916: Mack builds an armored truck (Mack AB Armored Truck) for the 1st Armored Motor Truck Battery of the New York State National Guard[11]
1919: The United States Army conducts a transcontinental project using Mack Trucks to study the need for and feasibility of a new interstate highway system.
1922: The company name is changed to Mack Trucks, Inc. The bulldog is established as the company's corporate symbol.
1924: John Mack dies in a car crash in Weatherly, Pennsylvania.
1932: While recuperating from an operation, Mack's chief engineer Alfred Fellows Masury carves Mack's first bulldog hood ornament. Masury applies for and receives a U.S. patent for his design; the bulldog hood ornament adorns Mack trucks ever since.
1933: Mack Trucks (as the company is more widely becoming known) are used in building of many ambitious construction projects for the Work Projects Administration including the Hoover Dam.
1941: Fire Apparatus manufacturing is moved from Allentown, Pennsylvania, to Long Island City, in Queens, New York.
1951: Fire Apparatus manufacturing is moved from Long Island City back to Allentown
1956: Mack Trucks, Inc. buys Brockway Motor Company. (Brockway later ceases operations in 1977).
1966: Mack begins production at its new assembly plant in Oakville, Ontario, Canada. The facility is later closed in 1993.
1967: Mack Trucks becomes a part of the Signal Oil and Gas Company in a one-for-one exchange for cumulative convertible preferred stock.[12] Later that year Signal changes its name to The Signal Companies.
1970: Mack moves into its new Allentown world headquarters.
1982: Renault increases its shareholding to 20%, Signal reduces its stake to 10%.
1983: Mack Trucks conducts an IPO, issuing 15.7 million shares of common stock. Renault increases its holdings to 40% and Signal reduces its stake to 10.3% ownership.
1987: Mack Trucks moves class 8 operations to Winnsboro, South Carolina
1990: Mack Trucks becomes a wholly owned subsidiary of Renault Véhicules Industriels when the remaining publicly traded shares are acquired at $6.25 per share.
2001: Together with Renault Véhicules Industriels, Mack becomes part of Volvo Trucks; the parent company Renault receives a 20% stake in the combined company. (In 2002 Renault Véhicules Industriels changes its name to Renault Trucks).
2002: The plant in Winnsboro, South Carolina closes
2006: Mack has a record-sales year.
2008: Mack announces relocation of corporate headquarters to Greensboro, North Carolina.[8]
2018: Mack has released the new Mack Anthem.
2021: US President Joe Biden visited the Mack Trucks plant in Pennsylvania in July 2021, where he was shown Mack's fully electric Class 8 truck, the Mack LR Electric. Mack had recently completed an upgrade of the facility with $84 million in funding.[14]
2021: In July, Mack Trucks said it would hire 400 more employees at its facility in Lower Macungie, adding to a 2,500 overall workforce.[15]
2021: In August 2021, it was reported that Mack had to suspend "production periodically" in July 2021 due to chip shortages.[16]
Market, model and products timeline
This is a timeline of Mack Trucks history. Most of the information is taken from the Mack History page at MackTrucks.com, unless otherwise noted.[9] Photos of most models 1906–1978 available at.[17]
1909: A junior model 1 1/2-ton truck is introduced.
1910: Mack delivers the first motorized hook and ladder firetruck used by the city of Morristown, New Jersey.
1914: The Mack ABs are introduced
1916: The Mack ACs are introduced. Ultimately, over 40,000 of these models are sold.
World War I: Mack delivers over 6,000 trucks to both the United States and British military. A legend surfaces that British soldiers would call for Mack Bulldogs to be sent when facing adversity.
1918: Mack becomes the first manufacturer to apply air cleaners and oil filters to their trucks.
1920: Mack Trucks are the first with power brakes on their trucks.
1922: Mack introduces first truck with a drive shaft instead of a chain on the Model AB
1922: International Motors Company develops gasoline-driven passenger railcar for the New York, New Haven and Hartford Railroad. A standard passenger railcar on top of a standard motor truck chassis, seating between 36 and 50 passengers, at a cost of $16,500. The car operates in a ten-mile (16 km) stretch between New Haven, and Derby, Connecticut.[18]
1927: Mack's BJ and BB models built.
1932: The Bulldog starts to show up on the hoods of Mack trucks.
1934: Production of electric "trolley coaches" began, continuing only until 1943.[19] A total of 290 trolley buses were built, with Portland, Oregon being by far the biggest customer (with 141 total).[19]
World War II: Mack trucks were used by the military in various capacities, and the company built many heavy-duty trucks to help the allied forces. From 1941 to 1945, the combined armed forces of the United States, Great Britain, France, and Canada took delivery of 35,096 vehicles. The combat "N Series" (NB, NJU, NM, NO, NR, etc.) accounted for 26,965 of the total. Commercial type vehicles including: trucks, off-highway, fire-trucks, trailers, and buses, accounted for the rest. A total of 2,053 NO models alone were produced from 1940 to 1945. The 7 1/2-ton 6x6 NO was the most important specifically military model, and could be used as a transport or tractor for the 155 mm Long Tom field gun. Mack also built over 2600 power trains for tanks. The Allentown bus plant (5C) built VulteePBY Catalina flying boats as well as components for the BT-13 Valiant Trainer and B-24 Liberator Bombers. More than 700 NJU (5-to-6 ton 4x4) models were in the hands of the U.S. Army by 1942. In 1939 & 1940 the French and British received several hundred NR4 and EXBU models. Mack Trucks ranked 63rd among United States corporations in the value of World War II military production contracts.[24]
1940: L Model series introduced, continuing until 1952.
1950: The Mack A Model series of trucks is introduced, produced until 1953.
1953: The Mack B Model series of trucks is introduced. 127,786 produced until 1966.
1955: The D Model low cab forward city delivery truck entered the market. Access to the engine compartment was possible by the Verti-lift cab. The cab lifted straight up hydraulically, guided by a forklift style mast behind the cab. Two styles of D Models were produced, the first styling had a square grille and no dress up trim. It was produced in 1955 and early 1956. The second styling included a styled grille, cab rear corner windows and stylish emblems and trim. The second styling was built from mid 1956 until the end of the D Model in 1958. A total of 832 D Model Mack Trucks were produced from 1955 until 1958.
1955: The military M123 10 ton 6X6 semi tractor went into production. Developed from the NO, it would be the US Army's standard until replaced by the M911 starting in 1976.
1956: Mack buys the tooling of the Ahrens-Fox Fire Engine Co. and introduced the Mack C Model cab forward fire engine which was an Ahrens-Fox design and the first of the "Cincinnati Cabs" (later built by the Truck Cab Manufacturing Co. an OEM vendor builder of Cincinnati, Ohio), that have been the staple of the American fire service to this day.
1959: The first aluminum rivetted construction COE (cab-over-engine) family of trucks is introduced: The G Model which had a short production due to a striking resemblance to the Kenworth COE and Mack having the F Model ready for production. A total of 2181 G Model
1960: City of Hamilton, Bermuda buys first Mack built diesel-power fire truck in a B Model Chassis.
1962: The second of the COE (cab-over-engine) family of trucks is introduced: The F Model all steel sleeper (FL) or non sleeper (F) is the first of this family of models for Mack.
1965: Mack releases the Super Pumper System, to be used by the New York City fire department.[25] It would help put out 2,200 fires.
1965: The R Model Series introduced, to replace the B Model Series. Some R series models continue in production until 2005.
1966: The RL (for R-Western) model built at Hayward, California until 1981.
1967: The CF model Fire Engine introduced, replacing the C model. The CF was a cab forward adaptation of the cab over style commercial "F" Model cab.
1969: Mack patents the cab air suspension.
Drivers Side.jpg: Macungie plant opens, build the Cruise-Liner series until 1983.
1977: Super-Liner introduced, production runs for 15-years until 1993.
1978: Introduction of the low-cab-forward urban MC/MR series.
1979: Medium-duty model Mid-Liner introduced, built by Renault Véhicules Industriels in France. This lighter truck filled a gap at the lower end of Mack's spectrum, as they were almost unrepresented in the Class 6 segment. Before the introduction of the Mid-Liner, the smallest engine made by Mack had been the 210 hp diesel inline-six ETZ 477.[26]
1982: Production of the MH Ultra-Liner model begins.
1988: Mack introduces the CH series for highway applications.
1989: E7 engine replaces E6 engine
1990: Fire Apparatus production ends.
1994: Mack introduces the LE (low entry) refuse vehicle.
1998: Electronic Unit Pump (EUP) replaces electronic fuel injection pump
1999: A new premium highway tractor is introduced: the "Vision by Mack".
2000: Mack builds 100 limited edition Visions with black paint and custom gold stripes and stainless badges for the 100th anniversary
2001: Medium-duty Freedom series introduced (built by Renault Trucks in France like its predecessor, the Mid-Liner series).
2001: Mack redesigns R Series dash with new gauges and buttons and door padding.
2001: Granite series for construction applications introduced.
2003: Mack pulls out of the medium-duty market and discontinues the Freedom series.
2006: Introduction of Pinnacle highway vehicle, a replacement for the Vision highway product.
2007: A new product line is introduced to include Models LEU and MRU amongst others.
2007: Introduction of US07 compliant engines in all of its trucks.[27]
2008: In March, Mack introduces the Titan, a heavy duty model with a 16-liter big-block MP10, the largest ever 6-cylinder engine from Mack, with 515, 565, and 605 hp models.[28][29]
2010: In October Mack announced that a version of its Terrapro Cabover would run on natural gas using a Cummins Westport engine.[30]
2017: Mack discontinues the Titan with the last one rolling off line mid-summer.
2017: Mack introduces the Anthem, a new on-highway tractor replacing the Pinnacle Axle back model.
2025: On April 8, Mack announced a brand new class 8 tractor, the Pioneer in Brooklyn, New York.
Pinnacle:
Mack Pioneer
Pinnacle Axle Forward
Pinnacle DayCab
Pinnacle Sleeper
Pinnacle Rawhide Edition
Granite
Refuse Series:
LR
TerraPro Cabover
TerraPro Low Entry
Granite Axle Back
Granite
Military:
Granite Armored Line Haul
Kerax 8 x 8
Australia, New Zealand and South Africa
List of current models produced for the Australian, New Zealand, and South African market at the Wacol, Queensland factory.[33][34]
Granite (Discontinued)
Metro-Liner
Anthem (Launched 2021)
Super-Liner
Titan
Trident
Trident Axle Forward
Trident Axle Back
TerraPro (Overseas order through Mack Trucks Australia)
TerraPro Cabover
TerraPro Low Entry
North America
List of current models produced for the North American market:[31][32]
Construction Series:
Granite
Granite Axle Back
TerraPro Cabover
Highway Series:
Anthem
Pinnacle:
Mack Pioneer
Pinnacle Axle Forward
Pinnacle DayCab
Pinnacle Sleeper
Pinnacle Rawhide Edition
Granite
Refuse Series:
LR
TerraPro Cabover
TerraPro Low Entry
Granite Axle Back
Granite
Military:
Granite Armored Line Haul
Kerax 8 x 8
Australia, New Zealand and South Africa
List of current models produced for the Australian, New Zealand, and South African market at the Wacol, Queensland factory.[33][34]
Granite (Discontinued)
Metro-Liner
Anthem (Launched 2021)
Super-Liner
Titan
Trident
Trident Axle Forward
Trident Axle Back
TerraPro (Overseas order through Mack Trucks Australia)
TerraPro Cabover
TerraPro Low Entry
Fire apparatus products
Mack Trucks built complete fire apparatus in Allentown from 1911 until 1984. In addition to building pumpers, Mack also offered aerial trucks using ladder assemblies supplied by other manufacturers, notably American LaFrance and Canadian builder Pierre Thibault.[35] Many still serve with fire departments around the world.
In the 1970s, Mack started selling their chassis to other fire apparatus manufacturers. Production of Mack-chassised fire trucks continues for use in fire departments throughout North America and around the world.
Fire apparatus gallery
Fire apparatus gallery
Previous models
AC
The heavy-duty AC, with its well-known tapered hood, was the truck which started the bulldog theme. A 377 CID 4 cylinder gasoline engine 4X2 with chain drive, it was strong, reliable, and worked well in rough terrain. Introduced in 1916, there was a great demand because of World War I, over 6000 3 1/2-, 5 1/2-, and 7 1/2-ton trucks were built for the UK and US military. There were also commercial sales from 1916; the AC was well suited for logging and construction work. A larger version, the AP, built between 1926 and 1938, was an off-road haul truck used on Boulder Dam and other large projects. 40,299 ACs had been built when production ended in 1939.[9][36][37]
N Series
The N Series was Mack's first military design, large 6 and 7 1/2-ton 6X6 artillery prime movers. Between its development in the late 1930s and the beginning of production in 1940 US military requirements changed and the truck was not needed. All NMs and most of the larger NOs were exported as foreign aid. After World War II the NO was developed into the successful M 123 semi-tractor.
B series
The Mack B series models were Mack's primary vehicle from its introduction in 1953 until it was replaced by the R Series in 1966. They ranged in size from the medium duty B20P gas powered 4X2 to the oversized B873SX turbo-diesel 6X6. B Models were commonly used as semi tractors and in the construction industry. They were also used as fire engines and trucks, sometimes with the roof of the cab removed. 127,786 B Models were built.[9]
R/RB/RD/RL/RM/RW, U, DM/DMM series
Mack started to produce the Mack R series (R, RW, and U models) in 1966 for highway use, and the RD, DM, and all wheel drive RM and DMM models for construction use. The lightweight RL model followed in 1967, the RW Superliner with a large, rectangular hood and grill in 1977, and the setback front axle RB in the 1990s. All these models featured the same cab; the U, DM, and DMM had the cab offset to the left.
In the 1990s, the R, RW, and U series models were discontinued and the RB was introduced, mostly for severe-duty applications. The hood was modified slightly for the model RB. 2004 was the last year for the RD, and 2006 for the RB and DM. The DM was the last model to use this cab style, and was the last model of this family to be produced.[38][39]
As a replacement for the construction models, Mack started to offer the Granite, Granite Bridge-Formula and Granite Axle-back.[9]
Also this model is serving in the Mexican Army as a Troop and Utility Truck in configuration 6X6 OR 6X4
AC
The heavy-duty AC, with its well-known tapered hood, was the truck which started the bulldog theme. A 377 CID 4 cylinder gasoline engine 4X2 with chain drive, it was strong, reliable, and worked well in rough terrain. Introduced in 1916, there was a great demand because of World War I, over 6000 3 1/2-, 5 1/2-, and 7 1/2-ton trucks were built for the UK and US military. There were also commercial sales from 1916; the AC was well suited for logging and construction work. A larger version, the AP, built between 1926 and 1938, was an off-road haul truck used on Boulder Dam and other large projects. 40,299 ACs had been built when production ended in 1939.[9][36][37]
N Series
The N Series was Mack's first military design, large 6 and 7 1/2-ton 6X6 artillery prime movers. Between its development in the late 1930s and the beginning of production in 1940 US military requirements changed and the truck was not needed. All NMs and most of the larger NOs were exported as foreign aid. After World War II the NO was developed into the successful M 123 semi-tractor.
B series
The Mack B series models were Mack's primary vehicle from its introduction in 1953 until it was replaced by the R Series in 1966. They ranged in size from the medium duty B20P gas powered 4X2 to the oversized B873SX turbo-diesel 6X6. B Models were commonly used as semi tractors and in the construction industry. They were also used as fire engines and trucks, sometimes with the roof of the cab removed. 127,786 B Models were built.[9]
R/RB/RD/RL/RM/RW, U, DM/DMM series
Mack started to produce the Mack R series (R, RW, and U models) in 1966 for highway use, and the RD, DM, and all wheel drive RM and DMM models for construction use. The lightweight RL model followed in 1967, the RW Superliner with a large, rectangular hood and grill in 1977, and the setback front axle RB in the 1990s. All these models featured the same cab; the U, DM, and DMM had the cab offset to the left.
In the 1990s, the R, RW, and U series models were discontinued and the RB was introduced, mostly for severe-duty applications. The hood was modified slightly for the model RB. 2004 was the last year for the RD, and 2006 for the RB and DM. The DM was the last model to use this cab style, and was the last model of this family to be produced.[38][39]
As a replacement for the construction models, Mack started to offer the Granite, Granite Bridge-Formula and Granite Axle-back.[9]
Also this model is serving in the Mexican Army as a Troop and Utility Truck in configuration 6X6 OR 6X4
Engines
By 1916 Mack was producing 4- and 6-cylinder gasoline engines, and through 2014 continued to offer their own, in the form of three diesel I6s. Engines by other manufacturers were often optional, supplied over the years by Caterpillar, Cummins, Chrysler, Detroit Diesel, Hercules, Scania, and Waukesha.
Mack started making diesels in 1938, in 1957 the END and turbocharged ENDT 673 diesel were introduced. This 672 CID I6 engine family was successful, and remained in production for over 30 years.
In the early 1960s, Walter May, executive vice president of product and engineering at Mack Trucks HQ in Allentown, PA., prioritized research and development of a high-torque rise engine. Winton Pelizzoni, chief engineer at the Mack Trucks powertrain facility in Hagerstown, MD., designed an innovative engine based on this concept and then led development of the prototype that went into production. The engine was introduced as an inline six in 1966, as a V8 in 1970, and as the intercooled inline six 300 series in 1973. This was an industry-changing event. The Maxidyne, with an operating range of 1200–2100 R.P.M, and later 1050–1700 R.P.M., allowed a heavy Class 8 truck to be operated with a 5 speed (Maxitorque) transmission. Previously, heavy trucks typically operated between 1800–2100R.P.M. and were equipped with 10 or more gears.
In 2014 Mack offers three engine series, the 11 L MP 7, 13 L MP8, and 16 L MP10, with 325 hp to 605 hp and 1200 lbft to 2060 lbft.[9][40][41]
Other products
Mack also produced railroad cars and locomotives between 1905 and 1930.[42] The company additionally produced several railbus models.[43]
Several other manufactures built standardized models of similar trucks, so only 700 were produced in 1941–1942.
The NM (G-535) and NO (G-532) series were military design 6 ton (5,443 kg) and 7 1/2 ton (6,800 kg) 6x6 artillery prime movers. All NMs and most of the larger NOs were exported as foreign aid. Over 8,400 NMs and 2,000 NOs were built between 1940 and 1944. [46][49][50]
The NR series were military design 10 ton (5,440 kg) 6x4 cargo trucks. Intended for British use in North Africa, they had Mack ED diesel engines, making them valuable for long-distance trips. Over 15,000 were built between 1940 and 1944. [46][51]
Post World War II
Since World War II, Mack has had limited military production.
The M39 (G-744) series, which includes the M54 cargo truck, were a standardized military design 5 ton (4,540 kg) 6x6 chassis, with many models. Mack developed a competing design, when the M39 was standardized Mack built a relatively small number of M51 dump trucks. In the early 1960s they took part in a short lived program to retrofit some of the series with Mack END 672 engines.[46][49][52][53]
The M123 and M125 (G-792) were standardized military design 10 ton (9,070 kg)[54] 6x6 semi tractors and artillery prime movers. Designed by Mack, using many components from the NO series. Mack built 392 M123s, used with a lowboy trailer to recover and transport tanks, and all 552 M125s, between 1955 and 1957. Later follow-up orders called for 420 M123s and retrofitted 210 more with Cummins engines.[46][49][53][55]
and the
Mack Pinnacle
, two of the officially licensed trucks included in the game.
CEO Denny Slagle took part in CBS' Undercover Boss in 2011.[59]
