| Floorplans (Table #1) | 121 | 127 | 128 | 130 | 131 |
| Weights (GM Chassis - 6.0 L Vortec - V-8) | |||||
| Gross Vehicle Weight Rating (Lbs.) | 12,300 | 14,050 | 14,050 | 14,050 | 14,050 |
| Gross Combined Weight Rating (Lbs.) | 16,000 | 17,600 | 17,600 | 17,600 | 17,600 |
| Front Gross Axle Weight Rating | 4,300 | 4,600 | 4,600 | 4,600 | 4,600 |
| Rear Gross Axle Weight Rating | 8,600 | 9,450 | 9,450 | 9,450 | 9,450 |
| Weights (Ford Chassis - 6.8 L Triton - V-10) * (Lbs.) | |||||
| Gross Vehicle Weight Rating (Lbs.) | 11,500 | 14,500 | 14,500 | 14,500 | 14,500 |
| Gross Combined Weight Rating (V-10 Engine) | 18,500 | 20,000 | 20,000 | 20,000 | 20,000 |
| Front Gross Axle Weight Rating | 4,600 | 5,000 | 5,000 | 5,000 | 5,000 |
| Rear Gross Axle Weight Rating | 8,500 | 9,500 | 9,500 | 9,500 | 9,500 |
| Measurements | |||||
| Wheel Base - Ford | 138" | 191" | 190" | 202" | 215" |
| Wheel Base - Chevy | 139" | 192" | 191" | 203" | 216" |
| Overall Length, Without Ladder & Spare Tire (Ford) | 22' 2" | 27' 4" | 29' 2" | 30' 5" | 31' 3" |
| Overall Length, Without Ladder & Spare Tire (Ford) | 22' 11" | 27' 4" | 29' 4" | 30' 5" | 31' 3" |
| Interior Height | 80" | 80" | 80" | 80" | 80" |
| Interior Width | 95.5" | 95.5" | 95.5" | 95.5" | 95.5" |
| Exterior Width | 99" | 99" | 99" | 99" | 99" |
| Tank Capacities ** (Gal.) | |||||
| Water Heater | 6 | 6 | 6 | 6 | 6 |
| Grey Tank | 21 | 27 | 21 | 27 | 21 |
| Black Tank | 21 | 25 | 25 | 25 | 25 |
| Fresh Tank | 29 | 29 | 29 | 28 | 29 |
| LP Tank (lb./gal.) | 41/9.8 | 41/9.8 | 41/9.8 | 41/9.8 | 41/9.8 |
| Fuel (Ford/Chevy) | 37/35 | 55/57 | 55/57 | 55/57 | 55/57 |
