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| Base Model Description |
HXR |
| GVWR |
35,000 lbs. Regular Cab
54,600 lbs. Tandem Regular Cab |
| Engine |
6HK1-TC |
| -Type |
Overhead Cam, In-line, 6-Cylinder Diesel |
| -Horsepower (Gross) |
250 HP @ 2,200 RPM
300 HP @ 2,200 RPM |
| -Torque (Gross) |
800 lbs./ft. @ 1,450 RPM
860 lbs./ft. @ 1,450 RPM |
| -Displacement |
7.8 L |
| -Clutch |
Choice of 14-inch single or two-plate self-adjusting mechanism |
| Transmission |
Allison 3000 RDS 5-/6-speed (A/T)
Allison 3500 RDS 5-/6-speed (A/T)
Eaton Fuller 9-speed (M/T)
Eaton Fuller 10-speed (M/T) |
| Front Axle |
| -Standard |
14,600 lbs. |
| Front Suspension |
| -Standard |
Tapered-leaf |
| Rear Axle |
| -Standard |
19,000 lbs.
21,000 lbs.
23,000 lbs.
40,000 lbs. |
| Rear Suspension |
|
| -Standard |
Multi Leaf |
| Fuel Capacity |
75 gal. capacity (standard)
100 gal. capacity (available) |
| Frame Width |
34 in. |
| RBM |
80,000 psi weldable: 1,378,300 lbs./in.
80,000 psi weldablewith inverted "L": 2,239,600 lbs./in.
120,000 psi heat-treated: 2,151,600 lbs./in.
120,000 psi heat-treated with inverted "L": 3,229,200 lbs./in.
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| Body Length (Wheel Base) |
8-12 ft. (152 in. WB)
16-20 ft. (206 in. WB)
16-22 ft. (212 in. WB)
18-26 ft. (236 in. WB)
18-28 ft. (248 in. WB)
20-28 ft. (260 in. WB) |
| Brakes |
Air brake |
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