Mack NJU Truck, Tractor, 1941
| Model NJU-1 (G-639) | |
|---|---|
 Mack NJU-1 with ponton semi-trailer | |
| Type | 5-ton (4,536kg) 4x4 Pontoon semi-tractor |
| Place of origin | United States |
| Production history | |
| Manufacturer | Mack Trucks |
| Produced | 1941-1942 |
| Number built | 692 (+8 NJU-2) |
| Variants | NJU-2 |
| Specifications (NJU-1[1]) | |
| Weight | 16,580 lb (7,520 kg) |
| Length | 19 feet 9 inches (6.02 m) |
| Width | 8 feet (2.44 m) |
| Height | 9 feet 6 inches (2.90 m) |
|
| |
| Engine |
Mack EN532 136 hp (101 kW) |
| Transmission | 5 speed x 2 range trfansfer case |
| Suspension | Live beam axles on leaf springs |
In 1940 the US Army ordered 700 Mack 4 x 4 truck tractors, mainly intended for ponton-carrying semi-trailers. The design was a militarised civil traffic type, partly redesigned to make it 4WD. Like the traffic type it was a Cab Over Engine (COE)-type. In 1941 there were 694 truck tractors delivered. The remainder were delivered in 1942.
In the delivery of the 692 vehicles there were Ponton tractors NJU-1, 8 NJU-2. The latest model was designed to tow topographical trailers. In November 1941 a portion of the Ponton tractors were delivered to the British army in Egypt, where they bore WD H-numbers.
Autocar built an equivalent that was standardised by the US Army. Some NJU-1's went in post war French army service.[2]
Gallery
Mack NJU-1.1- Mack NJU-1.2
Mack NJU-1.3
Mack NJU-1.4
Mack NJU-1.5
Mack NJU-1.6
References
- TM-10-1704 NJU-1
- TM 10-1705 NJU-1, -2, August 1941
- TM 5-273
- TM 5-270
- Crismon, Fred W (2001). US Military Wheeled Vehicles (3 ed.). Victory WWII Pub. p. 285. ISBN 0-970056-71-0.
External links
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