| GVWR/GCWR | 12,000/18,000 lbs. | |
| Body/Payload Allowance | 6,829-6,997 lbs. | |
| GAWR | ||
| -Front | 4,860 lbs. | |
| -Rear | 8,840 lbs. | |
| Front Axle Capacity | 6,830 lbs. | |
| Rear Axle Capacity | 11,020 lbs. | |
| -Ratio | 5.125 | |
| Suspension | ||
| -F/R Springs | Tapered/Multi-Leaf | |
| -Capacity | 6,830/9,880 lbs. | |
| Frame | ||
| -Section Modulus | 7.20 in.3 | |
| -Resistance Bending Moment | 316,800 lbs.-ft./in. | |
| Service Brakes | ||
| -System | Vacuum/Hydraulic w/4-Channel ABS | |
| -Front/Rear | Disc/Drum | |
| Transmission | ||
| -Standard | 6L90 6-Speed Auto. with Double Overdrive and Lock-Up Converter | |
| Engine | GMPT L96 (Gen IV) V8 Vortec 6000 | |
| -Optional | KL8 (Alternative Fuel Capable Engine) | |
| -Displacement | 6.0 L (365.0 CID) | |
| -Engine Power | 295 HP @ 4,300 RPM | |
| -Engine Torque | 372 lb.-ft. @ 4,000 RPM | |
| Limited Slip Differential | Optional | |
| Alternator | 145-amp | |
| Batteries | 1 Maintenance Free 750 CCA | |
| Tires | 215/85R16E (10-Ply) | |
| Steering | Integral Hydraulic Power | |
| Steering Column | Tilt & Telescopic | |
| Fuel Tank | ||
| -Standard | 30.0 Gal. In-Frame | |
| Dimensions | ||
| -Wheelbase (in.) | 109, 132.5, 150.0, 176.0 | |
| -Cab to Axle (in.) | 86.5, 110.0, 127.5, 153.5 | |
| -Cab to End of Frame (in.) | 129.6, 153.1, 170.6, 196.6 | |
| -Back of Cab (in.) | 6.5 | |
| -Overall Length (in.) | 200.5, 224.0, 241.5, 267.5 | |
| -Body Length (ft.) | 10-12, 14, 16-18, 20 | |
| -Overall Width (in.) | 81.4 | |
| -Front Axle Width (in.) | 65.6 | |
| -Overall Height (in.) | 90.0 | |