| HTR Specifications | |
| Base Model Description | HTR |
| GVWR | 25,950 lbs. |
| Engine | 6HK1-TC |
| -Type | Overhead Cam, In-line, 6-Cylinder Diesel |
| -Horsepower (Gross) | 200 HP @ 2,200 RPM |
| -Torque (Gross) | 520 lbs./ft. @ 1,450 RPM |
| -Displacement | 7.8 L |
| -Clutch | Choice of 14-inch single or two-plate self-adjusting mechanism |
| Transmission | Allison 2400 HS/RDS 5-speed (A/T) Allison 2500 HS/RDS 5-speed (A/T) Eaton Fuller 6-speed (M/T) |
| Front Axle | |
| -Standard | 10,000 lbs. |
| Front Suspension | |
| -Standard | Tapered-leaf |
| Rear Axle | |
| -Standard | 19,000 lbs. |
| Rear Suspension | |
| -Standard | Multi Leaf |
| Fuel Capacity | 75 gal. capacity |
| 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. |
| 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 | Hydraulic 4-piston |
