- LEGEND:
Standard
Optional
Not available
| Regular Cab /Crew Cab 2WD |
Regular Cab /Crew Cab 4WD |
Motor Home 2WD | Commercial Cutaway 2WD |
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| Fuel tank, 25-gallon fuel capacity - gas or diesel located midship between the frame rails, with fuel fill neck through the frame rail. Fuel cap is black with gasoline engines, and green with diesel engines. (Standard on Crew Cab 2WD models) | |
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| Fuel tank, 32-gallon fuel capacity - gas or diesel, located behind the rear axle with driver side fuel fill neck through the frame rail, includes 2 auxiliary fuel ports and a black fuel cap with gasoline engines and a green fuel cap with diesel engines. Recommended for body applications requiring rear hydraulics such as dump bodies | |
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| Fuel tank, 32-gallon fuel capacity - gas or diesel, with driver side fuel fill neck through the frame rail, no auxiliary fuel ports and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, 35-gallon fuel capacity - step tank, driver side only, steel top tread plate, sump and drain. Provides clean back of cab and a brass fuel cap | |
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| Fuel tank, 40-gallon fuel capacity - diesel, located behind rear axle with fuel fill neck through the frame rail, Includes 2 auxiliary fuel ports and driver side and passenger side fill neck capability, and green fuel cap | |
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| Fuel tank, 40-gallon fuel capacity - gas or diesel, located behind rear axle with fuel fill neck through frame rail and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, 40-gallon fuel capacity - gas or diesel, with driver side fuel fill neck through the frame rail, includes 2 auxiliary fuel ports and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, 60-gallon fuel capacity - gas or diesel, with driver side fuel fill neck through the frame rail, includes 2 auxiliary fuel ports and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, 60-gallon fuel capacity - gas or diesel. Located behind rear axle with driver side fuel fill and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, 80-gallon fuel capacity - gas or diesel, with driver side fuel fill neck through the frame rail, includes 2 auxiliary fuel ports and a black fuel cap with gasoline engines and a green fuel cap with diesel engines | |
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| Fuel tank, dual, one 25-gallon front tank midway between frame rails, one 15-gallon rear tank behind axle | |
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| Fuel tank, temporary, 3-gallon fuel capacity, deletes primary fuel tank (Gasoline engines only) | |
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| Fuel, additional 10 gallons added at the assembly plant | |
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| Fuel, additional 15 gallons fuel added at the assembly plant | |
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| Fuel sender assembly, robust fuel pump | |
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| Fuel cap, tethered | |
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| Chassis Dimensions & Body Payload Regular Cab | |||||
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| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 152 | 84 | 146 | 250.6 | 10 12 |
14/86† 6/94 |
| 176 | 108 | 178 | 282.7 | 12 14 16 |
19/81† 12/88† 5/95 |
| 188 | 120 | 204 | 309.1 | 14 16 |
18/82† 11/89† |
| 194 | 126 | 210 | 315 | 14 16 |
20/80† 14/86† |
| 206** | 138 | 222 | 327 | 16 18 |
19/81† 13/87† |
| 224** | 156 | 240 | 345 | 16 18 20 22 |
25/75 20/80 15/85† 9/91† |
| Chassis Dimensions & Body Payload Crew Cab | |||||
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| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 169*** | 60 | 121.6 | 2657.6 | 8 | 5/95† |
| 194 | 84.9 | 146.6 | 292.6 | 10 12 |
11/89† 5/95 |
| 217 | 108 | 192 | 337.9 | 12 14 |
15/85† 10/90 |
| 229 | 120 | 204 | 350 | 14 16 |
14/86† 9/91 |
| 235 | 126 | 210 | 356 | 14 16 18 |
17/83† 11/89† 6/94 |
| Chassis Dimensions & Body Payload Motor Home | |||||
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| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 166 | 100 | 184 | 286.4 | 12 14 |
15/85† 8/92† |
| 184 | 118 | 218.4 | 320.9 | 12 14 16 |
23/77 17/83† 10/90 |
| 195.5 | 130 | 245.9 | 348.4 | 14 16 18 20 |
22/78 16/84† 10/90† 7/93 |
| 213.5 | 148 | 264.1 | 366.5 | 16 18 20 22 |
23/77 17/83 12/88 6/94 |
| 221.5 | 156 | 284 | 386.4 | 16 18 20 22 |
26/74 20/80 15/85 10/90 |
| 239 | 173.5 | 286.7 | 389.2 | 16 18 20 22 24 |
32/68 27/73 22/78 17/83 12/88 |
| Chassis Dimensions & Body Payload Commercial Cutaway | |||||
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| WB | CA | CE | OAL | Body Length ft |
Weight distribution (Front /Rear) |
| 166 | 100 | 189 | 291 | 12 14 |
15/85† 10/90† |
| 184 | 118 | 206.6 | 309.1 | 14 16 |
17/83† 10/90 |
| 195.5 | 130 | 218.6 | 321.1 | 16 18 |
16/84† 10/90† |
| 213.5 | 148 | 264.4 | 366.5 | 18 20 |
17/83 12/88 |
| 220 | 155 | 261 | 363.4 | 20 | 15/85† |
| 221.5 | 156 | 240 | 342.5 | 16 18 20 22 |
26/74 20/80 15/85 10/90 |
| 233 | 168 | 274 | 376.4 | 16 20 22 |
29/71 19/81† 14/86† |
| 246 | 181 | 287 | 389.4 | 22 24 |
18/82 14/85† |
| 259 | 194 | 300 | 402.4 | 24 26 |
18/82† 13/87† |
| Interior Dimensions | |
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| Head room (front) | 41.7 |
| Head room (rear, Crew Cab only) | 40.4 |
| Hip room (front) | 65.0 |
| Hip room (rear, Crew Cab only) | 67.1 |
| Leg room (front) | 41.1 |
| Leg room (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 (Motor Home/Commercial Cutaway) | 1-2 |
| Exterior Dimensions | Regular Cab | Crew Cab | Motor Home | Commercial Cutaway |
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| Approach angle (2WD/4WD) | 28.1/35.5° | 28.1/35.5° | 28.1° | 28.1° |
| Cab width w/mirrors extended | 114.9 | 114.9 | 114.9 | 114.9 |
| Cab width, maximum at front fenders | 95.9 | 95.9 | 95.9 | 95.9 |
| Frame to roof of cab | 59.5 | 59.5 | 59.5 | 59.5 |
| Forward visibility to ground | 13/16 m. | 13/16 m. | 14.1 m. | 13 m. |
| Front bumper to axle | 37.0 | 37 | 37 | 37 |
| Front bumper to rear of cab | 105 | 146 | 105 | 104.9 |
| Front wheel track | 80.6 | W/A | 80.6 | 80.6 |
| Overall height | 89.4/93.4 | 93.4 | 89.5 | 89.5 |
† Indicates GM recommended percentage combinations.
** Wheelbase available on Regular Cab 2WD models only.
*** 169" Wheelbase available on Regular Cab 2WD models only.
| Regular Cab /Crew Cab 2WD |
Regular Cab /Crew Cab 4WD |
Motor Home 2WD | Commercial Cutaway 2WD |
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| Frame reinforcement, L Channel 80,000 psi yield | |
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| Shock absorber, front, diameter 1.375" | |
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| Shock absorber, rear, not desired | |
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| Shock absorber, rear, included with tapered leaf and optional with multi-leaf suspensions | |
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| Stabilizer bar, front, 2" x 2" square tube with taper leaf suspensions, solid bar style with multileaf suspensions | |
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| Stabilizer bar, solid bar style, 1.5" (Requires FSN front suspension) | |
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| Stabilizer bar, rear diameter 44mm, required with taper leaf springs (Standard on Crew Cab 2WD and available on Regular Cab 2WD models) | |
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| Rear Stabilizer, Provides increased load stabilization- improves handling and reduces vehicle roll. (Required with taper leaf springs and avail. With multi-leaf springs.) | |
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| Suspension, front, tapered leaf 7,000 lbs capacity | |
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| Suspension, front, tapered leaf 8,000 lbs capacity | |
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| Suspension, rear, multi-leaf, 13,500 lbs capacity | |
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| Suspension, rear, multi-leaf, 15,000 lbs capacity | |
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| Suspension, rear, multi-leaf, 15,000 lbs capacity | |
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| Suspension, rear, multi-leaf, 19,000 lbs capacity | |
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| Suspension, rear, tapered leaf, 13,500 lbs capacity | |
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| Suspension, rear, tapered leaf, 15,000 lbs capacity | |
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| Suspension, rear, tapered leaf, 19,000 lbs capacity | |
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| Suspension, Quiet-Ride spring Package | |
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| Regular Cab /Crew Cab 2WD |
Regular Cab /Crew Cab 4WD |
Motor Home 2WD | Commercial Cutaway 2WD |
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| Front axle, 7,000 lbs capacity I-beam Wide-trac, up to 53 degree turn angle, includes 4-piston brake calipers (Standard on Regular Cab 2WD models) | |
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| Front axle, 8,000 lbs capacity I-beam Wide-trac, up to 53 degree turn angle, includes 4-piston brake calipers (Available on Regular Cab 2WD models) | |
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| Front axle, 8,000 lbs capacity, solid drive axle, up to 45 degree turn angle (Includes 4 piston brake calipers) | |
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| Front axle equipment, oil-lubricated "Synthetic" front wheel hubs with clear cabs | |
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| Rear axle, single speed, full floating, 13,500 lbs capacity, includes 2-piston brake applied calipers | |
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| Rear axle, single speed, full floating, 15,000 lbs capacity, includes 2-piston brake applied calipers | |
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| Rear axle, single speed, full floating, 19,000 lbs capacity, includes 2-piston brake applied calipers | |
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| Rear axle ratio, 4.30 | |
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| Rear axle ratio, 4.33 | |
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| Rear axle ratio, 4.56 | |
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| Rear axle ratio, 4.78 | |
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| Rear axle ratio, 4.88 | |
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| Rear axle ratio, 5.13 | |
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| Rear axle ratio, 5.29 (Available on Regular Cab 2WD models) | |
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| Regular Cab /Crew Cab 2WD |
Regular Cab /Crew Cab 4WD |
Motor Home 2WD | Commercial Cutaway 2WD |
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| Brakes, front 4-wheel disc, 4 channel ABS, 4-piston | |
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| Brakes, rear, 4-wheel disc, 4 channel ABS, 2-piston | |
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| Electronic traction control, utilizing ABS | |
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| Limited slip differential, rear | |
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