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 .
2023 · OEM chart
7.3L V8 · 4WD · SuperCab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
DRW (dual rear wheels).
Page 31, F-350/450 DRW Super Duty Pickups 5th-Wheel/Gooseneck Towing table, row 7.3L V8 3.73 GCWR 25,700, column F-350 DRW SuperCab 4WD 164.2" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 25,700 lb 2024 · OEM chart
6.8L V8 · 2WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels). Footnote 1: 18" All-Season Tires.
Page 26, F-350 SRW Super Duty Pickup 5th-Wheel/Gooseneck Towing table, row 6.8L V8 4.30 GCWR 24,400, column F-350 SRW Regular Cab 2WD 141.6" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 24,400 lb 2024 · OEM chart
6.8L V8 · 4WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
DRW (dual rear wheels).
Page 27, F-350/450 DRW Super Duty Pickups 5th-Wheel/Gooseneck Towing table, row 6.8L V8 4.30 GCWR 25,400, column F-350 DRW Regular Cab 4WD 141.6" WB 8' Box 5th-Wheel column
Fifth-wheel 18,000lb GCWR 25,400 lb 2024 · OEM chart
7.3L V8 · 2WD · Crew Cab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels).
Page 26, F-350 SRW Super Duty Pickup 5th-Wheel/Gooseneck Towing table, row 7.3L V8 3.73 GCWR 25,200, column F-350 SRW Crew Cab 2WD 176.0" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 25,200 lb 2024 · OEM chart
7.3L V8 · 4WD · SuperCab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
DRW (dual rear wheels).
Page 27, F-350/450 DRW Super Duty Pickups 5th-Wheel/Gooseneck Towing table, row 7.3L V8 3.73 GCWR 25,700, column F-350 DRW SuperCab 4WD 164.2" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 25,700 lb 2025 · OEM chart
6.8L V8 · 2WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels). Footnote 2: 18" All-Season Tires.
Page 23, F-350 SRW Super Duty Pickup 5th-Wheel/Gooseneck Towing table, row 6.8L V8 4.30 GCWR 24,400, column F-350 SRW Regular Cab 2WD 141.6" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 24,400 lb 2025 · OEM chart
6.8L V8 · 4WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
DRW (dual rear wheels).
Page 24, F-350/450 DRW Super Duty Pickups 5th-Wheel/Gooseneck Towing table, row 6.8L V8 4.30 GCWR 25,400, column F-350 DRW Regular Cab 4WD 141.6" WB 8' Box 5th-Wheel column
Fifth-wheel 18,000lb GCWR 25,400 lb 2025 · OEM chart
7.3L V8 · 4WD · Crew Cab · 6-3/4' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels).
Page 22, F-350 SRW Super Duty Pickup Conventional Towing table, row 7.3L V8 3.73 GCWR 25,200, column F-350 SRW Crew Cab 4WD 159.8" WB 6-3/4' Box
Conventional 18,000lb GCWR 25,200 lb 2025 · OEM chart
7.3L V8 · 4WD · SuperCab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels).
Page 22, F-350 SRW Super Duty Pickup Conventional Towing table, row 7.3L V8 3.73 GCWR 25,200, column F-350 SRW SuperCab 4WD 164.2" WB 8' Box
Conventional 18,000lb GCWR 25,200 lb 2026 · OEM chart
6.8L V8 · 2WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels). Footnote 2: 18" All-Season Tires.
Page 23, F-350 SRW Super Duty Pickup 5th-Wheel/Gooseneck Towing table, row 6.8L V8 4.30 GCWR 24,400, column F-350 SRW Regular Cab 2WD 141.6" WB 8' Box Gooseneck column
Gooseneck 18,000lb GCWR 24,400 lb 2026 · OEM chart
7.3L V8 · 4WD · SuperCab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels).
Page 22, F-350 SRW Super Duty Pickup Conventional Towing table, row 7.3L V8 3.73 GCWR 25,200, column F-350 SRW SuperCab 4WD 164.2" WB 8' Box
Conventional 18,000lb GCWR 25,200 lb 2024 · OEM chart
6.7L Power Stroke Turbo Diesel V8 High Output · 2WD · Regular Cab · 8' Box · 4.30 axle
Equipment: No package requirement recorded; check source chart.
DRW (dual rear wheels). Footnote 2: 40k Gooseneck Tow Package (535).
Page 27, F-350/450 DRW Super Duty Pickups Conventional Towing table, row 6.7L V8 H.O. Turbo Diesel 4.30 GCWR 48,000, column F-450 DRW Regular Cab 2WD 141.6" WB 8' Box
Conventional 18,000lb GCWR 48,000 lb 2016 · OEM chart
Duramax 6.6L V8 Turbo Diesel · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES REGULAR CAB LONG BOX 2WD2', Duramax 6.6L V8 Turbo Diesel column, axle 3.73
Fifth-wheel 18,000lb GCWR Not cited 2024 · OEM published maximum
6.6L DURAMAX TURBO DIESEL V8 · 2WD · Crew Cab · Standard
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. 10,000-lb GVWR and under configuration table. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 21, 10,000-lb GVWR and under specifications, 6.6L Duramax Turbo Diesel V8 Engine table, row 2500 Crew 2WD with 18" or 20" wheels Standard
Conventional 18,000lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L DURAMAX TURBO DIESEL V8 · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 11,100 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 18, Payload and trailering specs, 6.6L Duramax Turbo Diesel V8 Engine Specifications table, row 2500 Double 2WD Long
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L DURAMAX TURBO DIESEL V8 · 2WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 11,100 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 18, Payload and trailering specs, 6.6L Duramax Turbo Diesel V8 Engine Specifications table, row 2500 Double 2WD Long
Gooseneck 18,000lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L GAS V8 · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,950 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 20, Payload and trailering specs, 6.6L Gas V8 Engine Specifications table, row 2500 Double 4WD Long
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L GAS V8 · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,950 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 20, Payload and trailering specs, 6.6L Gas V8 Engine Specifications table, row 2500 Double 4WD Long
Gooseneck 18,000lb GCWR 26,000 lb 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Denali; Dual rear wheels (DRW)
Chart row label: '3500 denali hd crew cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500 denali hd crew cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart row label: '3500hd series crew cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series crew cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart row label: '3500hd series extended cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series extended cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Denali; Dual rear wheels (DRW)
Chart row label: '3500 denali hd crew cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500 denali hd crew cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart row label: '3500hd series crew cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series crew cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart row label: '3500hd series extended cab long box drw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Ball hitch footnote 1: Trailer rating limited to 13,000 lbs with weight-carrying or weight-distributing hitch (conventional).
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series extended cab long box drw 4wd 2', column 6.6L V8 Turbo Diesel (Duramax) (conventional), axle 3.73
Conventional 18,000lb GCWR Not cited 2014 · OEM published maximum
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart
Equipment: Denali; Dual rear wheels (DRW)
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.6L V8 Turbo Diesel (Duramax) value.Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 3500HD 'Denali DRW', column maximum trailering Ball Hitch 4WD, 6.6L V8 Turbo Diesel (Duramax) (values printed as Vortec 6.0L / Duramax pairs)
Conventional 18,000lb GCWR Not cited 2014 · OEM published maximum
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Not specified in chart
Equipment: Dual rear wheels (DRW)
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.6L V8 Turbo Diesel (Duramax) value.Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 3500HD 'Crew Cab DRW', column maximum trailering Ball Hitch 4WD, 6.6L V8 Turbo Diesel (Duramax) (values printed as Vortec 6.0L / Duramax pairs)
Conventional 18,000lb GCWR Not cited 2015 · OEM chart
Duramax 6.6L V8 Turbo Diesel · 4WD · Double Cab · Long Box · 3.73 axle
Equipment: DRW
Page 16, 2015 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES DOUBLE CAB LONG BOX DRW 4WD', Duramax 6.6L V8 Turbo Diesel column, axle 3.73
Conventional 18,000lb GCWR Not cited 2024 · OEM published maximum
6.6L GAS V8 · 4WD · Double Cab · Long
Equipment: DRW
GVWR 14,000 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 20, Payload and trailering specs, 6.6L Gas V8 Engine Specifications table, row 3500 DRW Double 4WD Long
Conventional 18,000lb GCWR 26,000 lb 2016 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 11, Silverado 2500HD and 3500HD fifth-wheel/gooseneck trailer weight ratings (Regular Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.73, column Regular Cab Long Box 2WD
Fifth-wheel 18,000lb GCWR 25,100 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country; 20" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,850 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed High Country 4x4 / 6.6L V8 gas
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country; 20" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,850 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed High Country 4x4 / 6.6L V8 gas
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,950 lbs as printed. Footnote 4 on this row: with available 18" MT tires (QG3), maximum conventional towing is 12,000 lbs.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 4x4 / 6.6L V8 gas
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 17" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,800 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Fifth-wheel 18,000lb GCWR 26,000 lb 2024 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 18,000lb GCWR 26,000 lb 2024 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Double Cab · Long Bed
Equipment: 17" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,900 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Fifth-wheel 18,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country; 20" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,850 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed High Country 4x4 / 6.6L V8 gas
Fifth-wheel 18,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,950 lbs as printed. Footnote 4 on this row: with available 18" MT tires (QG3), maximum conventional towing is 12,000 lbs.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 4x4 / 6.6L V8 gas
Fifth-wheel 18,000lb GCWR 26,000 lb 2025 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 17" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,800 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Fifth-wheel 18,000lb GCWR 26,000 lb 2025 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 18,000lb GCWR 26,000 lb 2025 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Double Cab · Long Bed
Equipment: 17" wheels
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types). GVWR 10,900 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Fifth-wheel 18,000lb GCWR 26,000 lb 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: DRW; Automatic transmission
Chart row label: '3500HD Series Crew Cab Long Box DRW 4x4'. Chart engine column: 6.6l.
Page 10, Silverado HD conventional trailering ratings, row '3500HD Series Crew Cab Long Box DRW 4x4', column 6.6l, axle 3.73
Conventional 18,000lb GCWR Not cited 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: DRW; Automatic transmission
Chart row label: '3500HD Series Extended Cab Long Box DRW 4x4'. Chart engine column: 6.6l.
Page 10, Silverado HD conventional trailering ratings, row '3500HD Series Extended Cab Long Box DRW 4x4', column 6.6l, axle 3.73
Conventional 18,000lb GCWR Not cited 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Dually (DRW)
Chart footnote 1: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 11, Silverado 2500HD and 3500HD Conventional Trailer Weight Ratings (Crew Cab), column '3500HD Long Box 4WD Dually', engine '6.6L V8 Turbo Diesel (Duramax)', axle 3.73, GCWR 30,500
Conventional 18,000lb GCWR 30,500 lb 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: Dually (DRW)
Chart footnote 1: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 11, Silverado 2500HD and 3500HD Conventional Trailer Weight Ratings (Extended Cab), column '3500HD Long Box 4WD Dually', engine '6.6L V8 Turbo Diesel (Duramax)', axle 3.73, GCWR 30,500
Conventional 18,000lb GCWR 30,500 lb 2014 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Dually (DRW)
Chart footnote 1: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 11, Silverado 2500HD and 3500HD Conventional Trailer Weight Ratings (Crew Cab), column '3500HD Long Box 4WD Dually', engine '6.6L V8 Turbo Diesel (Duramax)', axle 3.73, GCWR 30,500
Conventional 18,000lb GCWR 30,500 lb 2015 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Long Box · 3.73 axle
Equipment: Dually
Page 10, Silverado 2500HD and 3500HD conventional trailer weight ratings (4-Door Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.73, column Double Cab Long Box 4X4 Dually
Conventional 18,000lb GCWR 30,500 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: DRW; 17" wheels
GVWR 14,000 lbs as printed.
Page 38, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Double / Long Bed 4x4 DRW / 6.6L V8 gas
Conventional 18,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: DRW; 17" wheels
GVWR 14,000 lbs as printed.
Page 38, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Double / Long Bed 4x4 DRW / 6.6L V8 gas
Conventional 18,000lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L GAS V8 · 4WD · Double Cab · Long
Equipment: DRW
GVWR 14,000 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 20, Payload and trailering specs, 6.6L Gas V8 Engine Specifications table, row 3500 DRW Double 4WD Long
Fifth-wheel 17,990lb GCWR 26,000 lb 2024 · OEM published maximum
6.6L GAS V8 · 4WD · Double Cab · Long
Equipment: DRW
GVWR 14,000 lbs as printed. Some cells in this brochure table carry footnotes with trim-specific exceptions (e.g., AT4/Denali/ZR2-type ratings); see source page.
Page 20, Payload and trailering specs, 6.6L Gas V8 Engine Specifications table, row 3500 DRW Double 4WD Long
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