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In 1965 CONDEC began building 3188 diesel powered M123A, Mack began building 420 in 1968. In 1969 Mack then upgraded 210 gas engine models to diesel power. With the Army using more self‑propelled artillery, the need for prime movers was reduced, no follow‑up orders for M125 were made.
The Mack MP8HE engine is a variant of the MP8 with a mechanical drive behind the turbocharger in the exhaust stream. This allows more heat energy to be used for better fuel economy. The Cummins Westport ISX12N is a 762 cubic inches (12.5 L) overhead cam turbocharged inline six-cylinder natural gas engine .
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 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 force-feet (1,710 to 2,120 N⋅m) of torque.
Mack Trucks Australia Official website; BigMackTrucks.com - Antique & Classic Truck Forum This page was last edited on 8 May 2024, at 02:47 (UTC). Text is ...
The successor to the 1940-1956 Mack L series, [2] the B-series was a line of heavy conventional-cab trucks. Adopting a more streamlined appearance over its predecessor, the B-series was designed with a sloped windshield and larger, rounded fenders [ 1 ] The model line was sold in multiple configurations, including tractors and straight/rigid ...
The Granite is available with two Mack diesels, a Cummins diesel, and a Cummins Westport natural gas engine. [1] Between 2001 and 2005 an earlier generation Mack diesel was used. [2] The Mack MP7 is the base engine in the Granite. It is a 659 cubic inches (10.8 L) overhead cam turbocharged inline six-cylinder diesel engine. It develops 325 to ...
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 M123A1s with a Cummins V8-300 785 cu in (12.9 L) naturally aspirated V8 diesel engine developing 300 hp (220 kW) at 3000 rpm and 580 lbf⋅ft (786 N⋅m) torque at 2100 rpm.