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New Zealand only model: RB; Specialty equipment ... Mack NO artillery tractor Mack NR. NJ (G639)- 5-6 ton 4x2 COE 1941-1942; NM (G535)- 6 ton 6x6 1940-1943;
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.
A May 15, 1941 photo of a Mack 6x4 N-model 4-to-6 ton wrecker Mack NO-6 artillery tractor The Mack B Model (1953–1966) in Lower Macungie Township, Pennsylvania A Mack C-49-DT bus built in 1956 R Series (1965–2005) F Series (1962-1981) 1890: John M. ("Jack") Mack gets a job at Fallesen & Berry, a carriage and wagon company in Brooklyn
The Mack B series is a model line of trucks produced by Mack Trucks between 1953 and 1966. [1] The successor to the 1940-1956 Mack L series, [ 2 ] the B-series was a line of heavy conventional-cab trucks.
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 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.
Designed as an entire family of trucks, only the semi-tractor and cargo/prime mover were built. 392 M123 were built between 1955 and 1957 and 552 M125 were built between 1957 and 1958. 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.
Mack Pinnacle CXU613 sleeper cab. The Pinnacle is a long-hood conventional semi-tractor. Designed for local and regional use it usually has a day-cab but five sleepers, from a 48 inches (1,200 mm) flat top to a 70 inches (1,800 mm) hi-rise, are available.