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Find a Dealer in Your Region or visit the GMC Sierra homepage
When you start with Sierra’s heavy-duty frames, proven powertrains and spacious cabs, you can be assured that the resultant chassis cabs will be equally capable. Sierra combines strong and lightweight frames and powerful Vortec gasoline and Duramax diesel engines with large, comfortable cabs in a package that is ideally suited for various commercial applications.
- Three-piece modular frame with hydroformed components (in 2500 and 3500 models) that is stronger yet lighter than a conventional steel-welded frame
- Two-piece frame in Chassis Cab models with industry-standard 34-inch frame rail width and cab-to-axle dimensions of 1521 mm (59.9 in.) and 2144 mm (84.4 in.) for easy body installation
- VortecTM 6.0L V8 engine standard
- 397 hp Duramax® 6.6L V8 Turbo Diesel engine available
- All Chassis Cab models feature GVWRs of 5988 kg (13,200 lb)
GMC Sierra Chassis Cab
| Powertrain |  |
Chassis | |
Application & Advice |
Powertrain
Engine Highlights:
- Duramax 6.6L diesel engine features four valves per cylinder, aluminum cylinder heads, variable geometry turbo charger, "Pilot" electronic fuel injection and advanced cooling.
| Engine Availability | Horsepower @ rpm | Torque lb.-ft. @rpm |
|---|---|---|
| VortecTM 6.0L V8 | 322 @ 4400 | 380 @ 4200 |
| Duramax® 6.6L V8 Turbo Diesel | 397 @ 3000 | 765 @ 1600 |
| Transmission Highlights | Transmission Options |
|---|---|
| Six-speed HD automatic is standard with the Vortec 6.0L V8 engine. 6-speed Allison automatic is required with the Duramax® 6.6L V8 Turbo Diesel engine. |
6-speed HD automatic (6L90) 6-speed Allison automatic |
Chassis
Chassis Highlights:
- 2500 and 3500 models feature a three-piece modular frame that is stronger yet lighter than a conventional steel welded frame.
- These are basic Silverado/Sierra pickup trucks with a box delete option. Refer to the pickup section for additional dimensions and information.
| Model | Model Number | Wheelbase mm (in.) |
Cab-to-axle (C/A) mm (in.) |
Payload inc. body MAX. kg (lb.) |
|---|---|---|---|---|
| Reg. Cab 2WD | C31003 | 3492 (137.5) | 1519 (59.8) | 3401 (7499) |
| Reg. Cab 4x4 | K31003 | 3492 (137.5) | 1519 (59.8) | 3205 (7066) |
| Reg. Cab 2WD | C31403 | 4115 (162.0) | 2141 (84.3) | 3309 (7294) |
| Reg. Cab 2WD | K31403 | 4115 (162.0) | 2141 (84.3) | 3154 (6954) |
| Crew Cab 2WD | C31043 | 4356 (191.5) | 1509 (59.4) | 3080 (6791) |
| Crew Cab 4x4 | K31043 | 4356 (191.5) | 1509 (59.4) | 2923 (6443) |
Advice
Body Options for Light-duty Trucks
These chassis cabs permit the installation of special use bodies and equipment such as wreckers, dumps, stake or van bodies, etc. Body length should not normally exceed 3.66m (12 feet) and the maximum body and payload weight should not be more than specified, depending on the model and GVWR selected. It is suggested that a weight distribution calculation be made with the assistance of your GM dealer or body supplier to ensure the vehicle's axle capacities and GVWR will not be exceeded.
Some chassis cabs are fundamentally pickups with the boxes deleted. This is a generally accepted industry practice.
For more information on body builders, please visit www.gmupfitter.com. Note: This is an American Web site and as such, the information provided is in English only.
GM New Vehicle Limited Warranty
The importance of reliability cannot be over-emphasized in commercial vehicles. Which is why we build them to withstand the daily rigours of commercial applications. In the unlikely event that you do run into any problems, the GM New Vehicle Limited Warranty covers most defects for 3 years or 60,000 km.* In addition to your GM New Vehicle Limited Warranty coverage your vehicle is covered by a 5 year/160,000 km* Powertrain Limited Warranty. Learn more about how the GM New Vehicle Limited Warranty offers you added peace of mind.
* Whichever comes first. Conditions and limitations apply. See dealer for details.
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