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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.
Large Mack trucks from the 1970s such as the Mack R-600 used coolpower systems. Some coolpower systems used vertical bar shutters that could be opened and shut in front of the radiator to maintain proper operating temperature. The Mack Cruise Liner model built in 1984, a 6X4 Primemover, used a 320 horsepower (240 kW) coolpower engine. [1]
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.
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.
The design was a militarized version of a civilian Cab Over Engine (COE) model, partly redesigned to make it 4WD. A Mack engine and transmission were matched with a Timken 2-speed transfer case and double-reduction axles. The EN532 engine was a 532 cu in (8.7 L) L-head inline 6 cylinder gasoline engine developing 136 hp (101 kW) at 2500 rpm.
The vehicle had a typical configuration, with a hooded front engine behind which was a large driver cabin that could seat five soldiers, and a rear cargo area. The engine was a Mack EY, 6-cylinder gasoline with a displacement of 707 cu in (11.6 L) ; generating 159 hp (119 kW) at 2100 rpm and 534 lbf⋅ft (724 N⋅m) at 800 rpm. [ 2 ]
The Mack MP7 is the base engine in the TerraPro. 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 force-feet (1,710 to 2,120 N⋅m) of torque. [2] The Mack MP8 engine is the largest engine in the TerraPro. It is a 783 cubic ...
It was converted into an engine plant in 1998, with the additional 650,000 square feet (60,000 m 2) of "Mack Engine II" added in 1999 [3] In April 2013, Mack Engine I produced the last PowerTech 4.7 L V8 engine and retooled to produce the Pentastar V6 engine. To switch to Pentastar production, 197 million dollars was invested in the Mack Engine ...