Weight Capacities

  Regular Cab Extended Cab Crew Cab
Long
Box		 Standard
Box		 Long
Box		 Standard
Box		 Long
Box
Gross Vehicle Weight Rating (GVWR), lbs§§, gasoline engine (2WD) 9,200 9,200 9,200 9,200 9,200
Gross Vehicle Weight Rating (GVWR), lbs§§, gasoline engine (4WD) 9,200 9,200 9,200 9,200 9,200
Curb weight, lbs, gasoline engine (2WD) 5,308 5,596 5,735 5,742 5,899
Curb weight, lbs, gasoline engine (4WD) 5,554 5,847 6,006 5,983 6,169
Max Payload, lbs, gasoline engine (2WD) 3,892 3,604 3,465 3,458 3,301
Max Payload, lbs, gasoline engine (4WD) 3,646 3,353 3,194 3,217 3,031
Gross Vehicle Weight Rating (GVWR), lbs§§, DURAMAX diesel engine (2WD) 9,200 9,200 9,200 9,200 9,200
Gross Vehicle Weight Rating (GVWR), lbs§§, DURAMAX diesel engine (4WD) 9,200 9,200 9,200 9,200 9,200
Curb weight, lbs, DURAMAX diesel engine (2WD) 5,308 5,596 5,735 5,742 5,899
Curb weight, lbs, DURAMAX diesel engine (4WD) 5,554 5,847 6,006 5,983 6,169
Max Payload, lbs, DURAMAX diesel engine (2WD) 3,892 3,604 3,465 3,458 3,301
Max Payload, lbs, DURAMAX diesel engine (4WD) 3,646 3,453 3,465 3,217 3,031
Maximum payload capacity includes weight of driver, passengers, optional equipment, and cargo.
§§When properly equipped; includes weight of vehicle, passengers, cargo, and equipment.

Spring & Axle Capacities

  Reg Ext Crew
Front axle, lbs (2WD) 4,800 4,800 4,800
Front axle, lbs (4WD) 4,500 4,800 4,800
Front spring capacity, lbs, standard box/long box (2WD) 4,500 4,500/4,800 4,500/4,800
Front spring capacity, lbs (4WD) 4,500 4,800 4,800
Rear axle, lbs (2WD) 6,900 6,900 6,900
Rear axle, lbs (4WD) 6,900 6,900 6,900
Rear spring capacity, lbs (2WD) 6,084 6,084 6,084
Rear spring capacity, lbs (4WD) 6,084 6,084 6,084

Towing Capacity

Automatic Transmission Ratings with Ball Hitch Vortec 6.0L V8 Duramax 6.6L
Tubro Diesel V8
Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**		 Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**
Reg Cab Long Box 2WD
 3.73
4.10		 10,400
12,900		 3.73 13,000
Reg Cab Long Box 4WD
 3.73
4.10		 10,200
12,700		 3.73 13,000
Ext Cab Standard Box 2WD
 3.73
4.10		 10,200
12,700		 3.73 13,000
Ext Cab Standard Box 4WD
 3.73
4.10		 9,900
12,400		 3.73 13,000
Ext Cab Long Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 13,000
Ext Cab Long Box 4WD
 3.73
4.10		 9,700
12,200		 3.73 13,000
Crew Cab Standard Box 2WD
 3.73
4.10		 10,000
12,500		 3.73 13,000
Crew Cab Standard Box 4WD
 3.73
4.10		 9,800
12,300		 3.73 13,000
Crew Cab Long Box 2WD
 3.73
4.10		 9,900
12,400		 3.73 13,000
Crew Cab Long Box 4WD
 3.73
4.10		 9,600
12,100		 3.73 13,000
Automatic Transmission Ratings with Gooseneck/Fifth-Wheel Trailer Vortec 6.0L V8 Duramax 6.6L
Tubro Diesel V8
Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**		 Axle
Ratio		 Max
Trailer/
Towing
Capacity lbs.**
Reg Cab Long Box 2WD
 3.73 12,900 3.73 15,800
Reg Cab Long Box 4WD
 3.73 12,700 3.73 15,500
Ext Cab Standard Box 2WD
 3.73 12,700 3.73 15,400
Ext Cab Standard Box 4WD
 3.73 12,400 3.73 14,300
Ext Cab Long Box 2WD
 3.73 12,500 3.73 15,000
Ext Cab Long Box 4WD
 3.73 12,200 3.73 13,400
Crew Cab Standard Box 2WD
 3.73 12,500 3.73 15,200
Crew Cab Standard Box 4WD
 3.73 12,300 3.73 13,600
Crew Cab Long Box 2WD
 3.73 12,400 3.73 14,400
Crew Cab Long Box 4WD
 3.73 12,100 3.73 12,500
Features  Reg/Ext and Crew Ext and Crew
Cab
Work
Truck		 SLE1 SLE2 SLT
Cooling, auxiliary external transmission oil cooler, heavy duty air-to-oil Standard Standard Standard Standard
Cooling, external engine oil cooler, heavy duty air-to-oil, integral with driver side of radiator tank Standard Standard Standard Standard
Snow Plow Prep Package, includes 15-amp power for backup and roof emergency light, 160-amp alternator, high-flow front bumper, forward lamp wiring harness, 3.35" (85mm) access hole with grommet in front of dash panel, roof beacon lamp provisions, instrument panel jumper wiring harness for electric trailer brake controller, and Skid Plate Package (requires 4WD models) Available Available Available Not Available
Trailering equipment, heavy-duty, includes trailering hitch platform and 2.5" receiver with 2" adapter, 7-wire harness (harness includes wires for: park lamps, backup lamps, right turn, left turn, electric brake lead, battery, and ground) with independent fused trailering circuits mated to a 7-way sealed connector, wiring harness for aftermarket trailer brake controller (located in the instrument panel harness), and single wire for center high-mounted stop lamp Available Available Available Available
Trailering wiring provisions, for camper, 5th wheel, and gooseneck trailer, includes additional 8-way wiring harness (requires heavy duty trailering equipment) Available Available Available Available
**Maximum trailer ratings are calculated assuming standard equipped vehicle, driver, and required trailering equipment. The weight of option equipment, passengers, and cargo will reduce the maximum trailer weight your vehicle can tow. 10% to 15% of the trailer weight is the recommended trailer tongue load.

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* Manufacturer's Suggested Retail Price. Tax, title, license, dealer fees, and optional equipment extra.