M123 and M125 10-ton 6x6 trucks
| M123 and M125 10-ton 6x6 truck | |
|---|---|
M123 Semi-tractor | |
| Type | 10-ton 6x6 trucks |
| Place of origin | United States |
| Production history | |
| Designer | Mack |
| Manufacturer | Mack, CONDEC |
| Produced | 1955–1969 |
| No. built | 3580 (+552 M125) |
| Specifications (M123) | |
| Mass | 32,490 lb (14,740 kg) empty |
| Length | 23 feet 4 inches (7.11 m) |
| Width | 9 feet 6 inches (2.90 m) |
| Height | 9 feet 3 inches (2.82 m) |
| Engine | Le Roi TH-844 (for other see text) 297 hp (221 kW) |
| Transmission | 5 speed x 2 range |
| Suspension | Beam axles on leaf springs |
Operational range | 300 mi (482.8 km) |
| Maximum speed | 42 mph (68 km/h) |
The Mack M123 (G792) was a 10-ton 6x6 semi-tractor introduced in 1955. The Mack M125 was a heavy cargo truck version of the M123. The M123 was used to tow tank transporter trailers while the M125 towed field artillery pieces.