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The standard engine was the EN310 (Mack) 6 cylinder L-head petrol engine, a Buda Engine Co. 6DT389 diesel was available. Some modified EH and all military design trucks had an EN354 engine, a 354 cu in (5.8 L) L-head inline 6 cylinder gasoline engine developing 110 hp (82 kW) at 2800 rpm and 200 lbf⋅ft (271 N⋅m) of torque at 1150rpm.
The B-series was the first Mack truck produced with a diesel engine, introducing the Mack-produced Thermodyne inline-6 in 1953. [1] During 1966, Mack replaced the B-series with the Mack R-series, which lasted into the 21st century. [3] [4] [5] In total, 126,745 examples of the B-series were produced over 13 years. [6]
The LR is available with a Mack MP7 diesel, Cummins Westport natural gas engine, and since 2020, an all-electric drivetrain. [3] [4] The Mack MP7 is the base engine in the LR. It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine. It develops 325 to 425 horsepower (242 to 317 kW) and 1,260 to 1,560 pound ...
The Mack R series (also known as the Mack Model R) is a series of trucks that was manufactured by Mack Trucks from 1966 to 2005. The successor of the Mack B series , [ 2 ] the R was a heavy-duty truck (Class 8) with a conventional (bonneted) cab configuration.
The F Model offered 5 different diesel engines, Mack's Maxidyne and Thermodyne at 260-375 hp, Cummins - 250-350 hp, Detroit Diesel - 270-430 hp and Caterpillar - 325 hp. Cat3406 is a big-bore diesel available in both high-torque-rise and conventional torque-rise versions; Detroit Diesel 71 series, provided power with a high torque curve.
The following is a (partial) listing of vehicle model numbers or M-numbers assigned by the United States Army. Some of these designations are also used by other agencies, services, and nationalities, although these various end users usually assign their own nomenclature.
Download QR code; Print/export ... New Zealand only model: RB; Specialty equipment ... Mack NO artillery tractor Mack NR. NJ ...
A Heavy Duty model uses the 16-litre big-block MP10, the largest ever 6-cylinder engine from Mack, with 515, 565, and 605 horsepower (451 kW) models. The 605 has a torque rating of 2,060 ft⋅lbf (2,790 N⋅m) at 1,200 rpm. [2] It will replace the now retired CL model which served as Mack's "big bore" truck which was powered by the Cummins ISX.