- LEGEND:
Standard
Optional
Not available
| Regular Cab | Crew Cab | Cutaway Cab | |
|---|---|---|---|
| Fuel equipment, fuel, additional 10 gallons | ![]() |
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| Fuel equipment, fuel, additional 15 gallons fuel capacity, added at the plant | ![]() |
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| Fuel equipment, fuel tank anti-siphon device | ![]() |
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| Fuel tank, single, 35-gallon fuel capacity, driver side only, steel top tread plate, sump and drain, provides clean back of cab, a black fuel cap with gasoline engines, and a green fuel cap with diesel engines | ![]() |
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| Fuel tank, single, 50-gallon fuel capacity, driver side, steel top tread plate, sump, drain, and steps under cab on front passenger side and both rear passenger sides, provides clean back of cab, a black fuel cap with gasoline engines, and a green fuel cap with diesel engines | ![]() |
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| Fuel tank, single, 50-gallon fuel capacity, passenger side only, steel top tread plate, sump, drain and steps under cab on driver side, fuel tank on passenger side of vehicle extends beyond the back of cab. Black fuel cap included with gasoline engines, green fuel cap with diesel engines | ![]() |
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| Fuel tank, dual, 25-gallon fuel capacity, passenger side, 50-gallon fuel capacity, driver side, steel provides clean back of cab. Black fuel cap included with gasoline engines, green fuel cap with diesel engines | ![]() |
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| Fuel tank, dual, 35-gallon fuel capacity, each driver side and passenger side, steel, fuel tank on passenger side of vehicle extends beyond the back of cab. Black fuel cap included with gasoline engines, green fuel cap with diesel engines | ![]() |
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| Fuel tank, dual, 50-gallon fuel capacity driver side and passenger side, steel top tread plate, sump and drain, fuel tank on passenger side of vehicle extends beyond the back of cab. Black fuel cap included with gasoline engines, green fuel cap with diesel engines | ![]() |
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| Fuel tank, temporary, 5-gallon fuel capacity, deletes primary fuel tank (N/A with ISUZU engines) | ![]() |
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| Chassis Dimensions & Body Payload Regular and Cutaway Cab | |||||
|---|---|---|---|---|---|
| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 140 | 72 | 135.3 | 240.3 | 8 | 15/85† |
| 152 | 84 | 135.3 | 240.3 | 10 | 14/86† |
| 170 | 102 | 171.1 | 276.1 | 12 14 |
12/84† 9/91 |
| 176 | 108 | 188.9 | 293.8 | 12 14 |
19/81† 12/88† |
| 188 | 120 | 188.9 | 293.8 | 14 16 |
18/82† 11/89† |
| 194 | 126 | 231 | 335.9 | 16 |
14/86† |
| 206 | 138 | 231 | 335.9 | 16 18 |
19/81 13/87† |
| 212 | 144 | 249.1 | 354 | 16 18 20 |
21/79 16/84† 10/90† |
| 224 | 156 | 249.1 | 354 | 18 20 |
20/80 15/85† |
| 236 | 168 | 273.1 | 378.1 | 20 22 |
19/81† 14/86† |
| 248 | 180 | 273.1 | 378.1 | 22 24 26 |
18/82† 13/87† 8/92 |
| 260 | 192 | 304.2 | 409.2 | 24 26 |
17/83† 13/87† |
| 272 | 204 | 304.2 | 409.2 | 26 28 |
17/83† 12/88† |
| 284 | 216 | 351.1 | 456 | 26 28 30 |
20/80 16/84† 12/88† |
| 296 | 228 | 351.1 | 456 | 28 30 |
19/81 15/85 |
| Chassis Dimensions & Body Payload Crew Cab | |||||
|---|---|---|---|---|---|
| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 194 | 84.9 | 147.8 | 293.8 | 9 10 |
14/86† 11/89† |
| 217 | 108 | 189.9 | 335.9 | 12 | 15/85† |
| 229 | 120 | 208 | 354 | 14 15 |
14/86† 12/88† |
| 248 | 138 | 232 | 378.1 | 16 17 18 |
16/84† 14/86† 11/89† |
| 260 | 150 | 263.1 | 409.2 | 18 19 20 |
15/85† 13/87† 11/89† |
| Chassis Dimensions & Body Payload Cutaway Cab | |||||
|---|---|---|---|---|---|
| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 140 | 74.5 | 137.8 | 240.3 | 10 | 10/90 |
| 152 | 86.5 | 173.7 | 240.3 | 10 12 |
17/83 9/91 |
| 170 | 104.5 | 173.6 | 276.1 | 12 14 |
19/81 12/88 |
| 176 | 110.5 | 191.4 | 293.8 | 8 10 12 14 16 |
35/65 29/71 22/78 21/79 15/85 8/92 |
| 188 | 122.5 | 191.4 | 293.8 | 16 | 14/86 |
| 194 | 128.5 | 233.5 | 335.9 | 16 18 |
16/84 10/90 |
| 206 | 140.5 | 233.5 | 335.9 | 18 | 15/85 |
| 212 | 146.5 | 251.6 | 354 | 18 20 |
18/82 12/88 |
| 224 | 158.5 | 251.6 | 354 | 20 22 |
17/83 11/89 |
| 236 | 170.5 | 275.6 | 378.1 | 22 24 |
16/84 11/89 |
| 248 | 182.5 | 275.6 | 378.1 | 22 24 |
19/81 14/86 |
| 260 | 194.5 | 306.7 | 409.2 | 24 26 |
19/81 14/86 |
| 272 | 206.5 | 306.7 | 409.2 | 26 28 |
18/82 14/86 |
| 284 | 218.5 | 353.6 | 456 | 28 30 |
18/82 14/86 |
| 296 | 230.5 | 353.6 | 456 | 30 | 17/83 |
| Interior Dimensions | |
|---|---|
| Headroom (front) | 41.7 |
| Headroom (rear, Crew Cab only) | 40.4 |
| Hip room (front) | 65 |
| Hip room (rear, Crew Cab only) | 67.1 |
| Legroom (front) | 41.1 |
| Legroom (rear, Crew Cab only) | 39.4 |
| Shoulder room (front) | 68.8 |
| Shoulder room (rear, Crew Cab only) | 67.4 |
| Seating capacity, maximum (Regular/Crew Cab) | 3/6 |
| Seating capacity, maximum (Commercial Cutaway) | 1-2 |
| Exterior Dimensions | |
|---|---|
| Approach angle | 28.1 |
| Cab width w/mirrors extended | 114.9 |
| Cab width, maximum at front fenders | 95.9 |
| Frame to roof of cab | 62.2 |
| Forward visibility to ground | 17.8 |
| Front bumper to axle | 37 |
| Front bumper to rear of cab (Regular/Crew Cab) | 105/146 |
| Front bumper to rear of cab ( Commercial Cutaway) | 102.5 |
| Front wheel track | 80.6 |
| Overall height (2WD) | 89.4 |
† Indicates GM recommended percentage combinations.
| Regular Cab | Crew Cab | Cutaway Cab | |
|---|---|---|---|
| Auxiliary springs, single tapered leaf | ![]() |
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| Auxiliary springs, multi-leaf, 4,500 lbs capacity | ![]() |
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| Bolted suspension, rear suspension brackets are bolted to frame in lieu of rivets | ![]() |
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| Frames, painted semi-gloss black 6mm rail, 50,000-psi yield strength, steel frame | ![]() |
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| Frames, painted semi-gloss black 8mm rail, 80,000-psi yield strength, steel frame | ![]() |
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| Frames, painted semi-gloss, black 10mm rail, 120,000-psi yield strength, steel frame | ![]() |
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| Frame extension, front, 24", integral, provides 80,000-psi yield strength extension with 8mm rails and a 120,000 psi yield strength extension with 10mm rails | ![]() |
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| Frame reinforcement, inverted "L" 80,000-psi yield strength | ![]() |
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| Frame reinforcement, inverted "L" 80,000-psi yield strength | ![]() |
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| Frame reinforcement, inverted "L" 120,000-psi yield strength | ![]() |
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| Frame reinforcement, inverted "L" 120,000-psi yield strength extended to rear end of frame | ![]() |
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| Rear air suspension, 19,000 lbs capacity Includes air release/dump valve switch, bolted suspension, and shock absorbers | ![]() |
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| Rear air suspension, 21,000 lbs capacity, includes air release/dump valve switch and bolted suspension | ![]() |
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| Rear air suspension, 23,000 lbs capacity, includes air release/dump valve switch and bolted suspension | ![]() |
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| Rear shock absorber, rear included with tapered leaf and air suspensions and optional with multi-leaf suspensions | ![]() |
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| Rear stabilizer, improves handling and reduces vehicle roll | ![]() |
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| Suspension, front multi-leaf, 9,000 lbs. capacity | ![]() |
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| Suspension, front multi-leaf, 12,000 lbs capacity | ![]() |
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| Suspension, front multi-leaf, 14,600 lbs capacity | ![]() |
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| Suspension, front tapered leaf, 9,000 lbs capacity | ![]() |
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| Suspension, front tapered leaf, 10,000 lbs capacity | ![]() |
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| Suspension, front tapered leaf, 12,000 lbs capacity | ![]() |
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| Suspension, front tapered leaf, 14,600 lbs capacity | ![]() |
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| Suspension, front stabilizer bar, stabilizer bar 2" x 2" square tube with taper leaf suspensions, solid bar style with multi-leaf suspensions | ![]() |
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| Suspension, rear multi-leaf, 19,000 lbs capacity | ![]() |
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| Suspension, rear multi-leaf, 21,000 lbs capacity | ![]() |
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| Suspension, rear multi-leaf, 23,500 lbs capacity | ![]() |
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| Suspension, rear tapered leaf, 21,000 lbs capacity, includes rear shock absorbers | ![]() |
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| Suspension, rear tapered leaf, 19,000 lbs capacity, includes rear shock absorbers | ![]() |
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| Suspension, rear tapered leaf, 23,000 lbs capacity, includes rear shock absorber | ![]() |
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| Regular Cab | Crew Cab | Cutaway Cab | |
|---|---|---|---|
| Front axle, 8,000 lbs capacity, up to 53 degree turn angle | ![]() |
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| Front axle, 10,000 lbs capacity, up to 53 degree turn angle | ![]() |
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| Front axle, 12,000 lbs capacity, up to 50 degree turn angle with air brakes | ![]() |
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| Front axle, 14,600 lbs capacity, up to 50 degree turn angle | ![]() |
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| Front axle equipment, oil-lubricated "Synthetic" front wheel hubs with clear caps | ![]() |
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| Rear axle, Dana 19060S, single speed standard, 19,000 lbs capacity | ![]() |
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| Rear axle, Dana 21060S, single speed standard, 21,000 lbs capacity | ![]() |
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| Rear axle, Dana 23090S, single speed standard, 23,000 lbs capacity | ![]() |
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| Rear axle, Dana HD23105S, single speed standard, 23,000 lbs capacity | ![]() |
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| Rear axle, Dana 19060D, single speed differential lock, 19,000 lbs capacity, driver controlled traction | ![]() |
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| Rear axle, Dana 21060D, single speed differential lock, 21,000 lbs capacity, driver controlled traction | ![]() |
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| Rear axle, Dana 23105D, single speed differential lock, 23,000 lbs capacity, driver controlled traction | ![]() |
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| Rear axle, Dana 19060T, 2-speed, 19,000 lbs capacity | ![]() |
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| Rear axle, Dana 21060T, 2-speed, 21,000 lbs capacity | ![]() |
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| Rear axle, Dana 23090T, 2-speed, 23,000 lbs capacity | ![]() |
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| Rear axle ratio, 3.08 - 7.17 | ![]() |
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| Rear axle, 7.17:1 | ![]() |
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| Regular Cab | Crew Cab | Cutaway Cab | |
|---|---|---|---|
| Brakes, hydraulic, split brake system with 4-channel ABS disc-type, Hydro Max high-performance booster, front and rear disc calipers | ![]() |
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| Brakes, air, ABS, 4-Channel Brake System, includes dual air pressure gauge, low air pressure warning light and alarm, and front dust shields, outboard-mounted brake drums, includes front and rear automatic slack adjusters, includes air-activated spring-loaded parking brake, air dryer with automatic air moisture ejector, does not include rear dust shields (Requires engine-driven air compressor) | ![]() |
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| Brake equipment, rear dust shields | ![]() |
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| Brake equipment, full trailer brake provisions, air routed to end of frame | ![]() |
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| Electronic traction control, utilizing ABS | ![]() |
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