The specification desk
Find the right configuration.
Search 34,354 chart rows transcribed from manufacturer towing guides. See the engine, cab, axle, required equipment, and source together. These are published comparison ratings; your truck’s equipment and loaded weight still matter.
A model missing here may have a published maximum without detailed chart rows. Check coverage or browse every cataloged model.
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series regular cab long box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 15,800lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series extended cab standard box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 15,500lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series regular cab long box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 15,500lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series crew cab standard box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 15,300lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series extended cab long box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 15,300lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series extended cab standard box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 14,500lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series crew cab standard box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 13,900lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500hd series extended cab long box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Fifth-wheel
- 13,800lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series crew cab standard box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series crew cab standard box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series extended cab long box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series extended cab long box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series extended cab standard box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series extended cab standard box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series regular cab long box 2wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited
2010 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Guide footnote: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver. Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight distributing hitch (conventional). All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP).
Page 15, Sierra HD automatic transmission ratings with ball hitch, row '2500hd series regular cab long box 4wd', column Duramax 6.6L V-8 diesel, axle 3.73
- Conventional
- 13,000lb
- GCWR
- Not cited