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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.

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2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series regular cab long box drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
16,500lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series extended cab long box drw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
16,300lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series crew cab long box drw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
16,200lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series extended cab long box drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
16,100lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart · 3.73 axle

Equipment: Dual rear wheels (DRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series crew cab drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
15,900lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series extended cab long box srw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
15,400lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series regular cab long box srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
15,400lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series crew cab long box srw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
15,100lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series extended cab long box srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
14,900lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart · 3.73 axle

Equipment: Single rear wheels (SRW)

Chart is for use with fifth-wheel or gooseneck hitches.

Page 15, Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500hd series crew cab srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Fifth-wheel
14,800lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart · 3.73 axle

Equipment: Dual rear wheels (DRW)

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 '3500hd series crew cab drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

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 '3500hd series crew cab long box drw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

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 '3500hd series extended cab long box drw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

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 '3500hd series extended cab long box drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle

Equipment: Dual rear wheels (DRW)

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 '3500hd series regular cab long box drw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart · 3.73 axle

Equipment: Single rear wheels (SRW)

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 '3500hd series crew cab srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

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 '3500hd series crew cab long box srw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

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 '3500hd series extended cab long box srw 2wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

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 '3500hd series extended cab long box srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited

2010 · OEM chart

GMC Sierra 3500HD

6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle

Equipment: Single rear wheels (SRW)

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 '3500hd series regular cab long box srw 4wd', column Duramax 6.6L V-8 diesel, axle 3.73

Conventional
13,000lb
GCWR
Not cited