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Start with a much more rigid chassis. Then add to the capabilities with two technologically advanced engines - including the 365 hp Duramax 6.6L V8 Turbo Diesel that generates a ground-breaking 660 lb.-ft. of torque. Now you're beginning to see the substantial benefits of the new generation Silverado Chassis Cabs. Still just as easy to customize for your specific application - yet stronger and more powerful.

| Powertrain | Chassis | Dimensions | Application & Advice |
| Engine Highlights |
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Duramax 6.6L diesel engine features four valves per cylinder, aluminum cylinder heads and advanced cooling. |
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| Transmission Highlights |
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Six-speed HD automatic is standard with the Vortec 6.0L V8 engine. |
| Chassis Highlights |
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3500HD Chassis Cab Special two-piece frame on 3100 models is built to industry-standard 86.4 cm (34 in.)* frame rail spacing, and 1521 mm (60 in.)* and 2131 mm (84 in.)* cab-to-axle dimensions for easy body installation. These are dedicated chassis cabs. Refer to the chart at the right for details. | |||||||||||||||||||||||||||||||||||||||||
| *Nominal measurements | |||||||||||||||||||||||||||||||||||||||||
| Model | Wheelbase mm (in.) |
Cab-to-axle mm (in.) |
Overall Length mm (in.) |
Max. Height mm (in.) |
Width mm (in.) |
| 2500 Reg. Cab | 3378 (133) | 1420 (55.9) | 5387 (212.1) | 1939 (76.35) | 2029 (79.88) |
| 2500 Ext. Cab | 4001 (157.5) | 1420 (55.9) | 6330 (249.2) | 1955 (77.0) | 2029 (79.88) |
| 2500 Crew Cab | 4242 (167) | 1420 (55.9) | 6266 (246.7) | 1955 (77.0) | 2029 (79.88) |
| 3500 Reg Cab | 3378 (133) | 1420 (55.9) | 6266 (246.7) | 1955 (77.0) | 2029 (79.88) |
| 3500 Ext. Cab | 4001 (157.5) | 1420 (55.9) | 6300 (249.2) | 1963 (77.3) | 2441
(96.1) DRW |
| 3500 Crew Cab | 4242 (167) | 1420 (55.9) | 6266 (246.7) | 1963 (77.3) | 2441
(96.1) DRW |
| 3100 Reg Cab | 3480-4102 (137-161.5) | 1534-2156 (60.4-84.9) | 1521-2144 (59.9-84.4) | 1935 (76.2) | With GTY AXLE-86.00-93.90 |
| 3100 Ext Cab | 4102 (161.5) | 1534 (60.4) | 1521 (59.9) | 1935 (76.2) | With GTY AXLE-86.00-93.90 |
These light-duty 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 much more than 2250 kg (5000 lb.), 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 the GVWR will not be exceeded.
Some of these chassis cabs are fundamentally pickups with the boxes deleted. This is a generally accepted industry practice, and the 3100 series are dedicated chassis-cab designs. They have a special 2 piece frame that overlaps forming a strong reinforcement. They provide Cab-to-Axle (C.A.) dimension of either 1521 mm (59.9 in.) or 2144 mm (84.4 in.) with 864 mm (34.0 in.) wide frame rails – all industry standards – to facilitate body installation.
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.
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 (whichever comes first). 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. Excludes Medium-Duty. See dealer for details.
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