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 .
2003 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C25903; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (AUTO. OR MANUAL TRANS. RATINGS). Chart note: Trailer ratings are calculated assuming a standard equipped vehicle plus driver. Optional equipment, passengers or cargo will reduce trailering capacity. Cab type derived from GM model-code suffix '03' as decoded elsewhere in the same GM document.
Page 125, TR section, C/K 25 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model C25903, column 6.6L V8 TURBO DIESEL, axle 3.73
Fifth-wheel 16,000lb GCWR Not cited 2005 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C25903; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (RATINGS AUTO. OR MANUAL TRANS. RATINGS). Chart note: Trailer ratings are calculated assuming a standard equipped vehicle plus driver. Optional equipment, passengers or cargo will reduce trailering capacity. Cab type derived from GM model-code suffix '03' as decoded elsewhere in the same GM document.
Page 33, Trailering Information, C/K 25 Series Heavy Duty Pickup Models (Chevy Silverado and GMC Sierra), model C25903, column 6.6L V8 TURBO DIESEL, axle 3.73
Fifth-wheel 16,000lb GCWR 22,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,700 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 11,050 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country; 20" wheels
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
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country; 20" wheels
GVWR 11,050 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed High Country 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,550 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,850 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · 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 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country; 20" wheels
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
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: ZR2; 18" wheels
GVWR 10,850 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed ZR2 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,600 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,950 lbs as printed. Footnote 4 on this row: with available 18" MT tires (QG3), maximum conventional towing is 12,000 lbs. conventional value printed as "16.000" in chart (period for comma).
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,700 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 11,050 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 18" wheels
GVWR 10,000 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country; 20" wheels
GVWR 11,050 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Long Bed High Country 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,550 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,850 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · 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 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country; 20" wheels
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
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: ZR2; 18" wheels
GVWR 10,850 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Crew Cab / Standard Bed ZR2 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,600 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 2WD / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,950 lbs as printed. Footnote 4 on this row: with available 18" MT tires (QG3), maximum conventional towing is 12,000 lbs. conventional value printed as "16.000" in chart (period for comma).
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD Double Cab / Long Bed 4x4 / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2006 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35943 & R05; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (RATINGS AUTOMATIC OR MANUAL TRANS. RATINGS). Chart note: Trailer ratings are calculated assuming a standard equipped vehicle plus driver. Optional equipment, passengers or cargo will reduce trailering capacity. Cab type derived from GM model-code suffix '43' as decoded elsewhere in the same GM document.
Page 33, Trailering Information, C/K 35 Series Heavy Duty Pickup Models (Chevy Silverado and GMC Sierra), model K35943 & R05, column 6.6L V8 TURBO DIESEL, axle 3.73
Fifth-wheel 16,000lb GCWR 23,500 lb 2007 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart model code K30953; row label 'K30953 - Extended Cab Long Box, 4x4'. Next Generation (GMT900) Silverado. Notes: all 2500HD and 3500HD Series have an automatic transmission and a 3.73 axle ratio as standard equipment; maximum GCWR 18,500 lb (6.0L), 22,000 lb (Duramax SRW), 23,500 lb (Duramax DRW); weight-carrying hitch limit 7500 lb.
Page 7, Next Generation Silverado 2500HD/3500HD fifth-wheel trailering, row K30953 (K30953 - Extended Cab Long Box, 4x4), column 6.6L V8 Turbo Diesel (Duramax)
Fifth-wheel 16,000lb GCWR Not cited 2007 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: Dual rear wheels (DRW)
Chart model code K35943; row label 'K35943 – Crew Cab Long Box, 4x4/DRW'. Silverado Classic (carry-over body style sold alongside the Next Generation model in 2007). 6.0L: manual or automatic; 8.1L and Duramax: automatic 6-speed.
Page 11, Fifth-wheel trailering with Silverado 2500HD and 3500 pickups, row K35943 (K35943 – Crew Cab Long Box, 4x4/DRW), column 6.6L V8 Turbo Diesel (Duramax), axle 3.73
Fifth-wheel 16,000lb GCWR Not cited 2011 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: DRW; Automatic transmission
Chart row label: '3500HD Series Regular Cab Long Box DRW 4x4'. Chart engine column: 6.6L Diesel V8.
Page 11, Silverado HD ratings with ball hitch, row '3500HD Series Regular Cab Long Box DRW 4x4', column 6.6L Diesel V8, axle 3.73
Conventional 16,000lb GCWR Not cited 2012 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: DRW; Automatic transmission
Chart row label: '3500HD Series Regular Cab Long Box DRW 4x4'. Chart engine column: 6.6l.
Page 10, Silverado HD conventional trailering ratings, row '3500HD Series Regular Cab Long Box DRW 4x4', column 6.6l, axle 3.73
Conventional 16,000lb GCWR Not cited 2013 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular 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 (Regular Cab), column '3500HD Long Box 4WD Dually', engine '6.6L V8 Turbo Diesel (Duramax)', axle 3.73, GCWR 30,500
Conventional 16,000lb GCWR 30,500 lb 2014 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular 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 (Regular Cab), column '3500HD Long Box 4WD Dually', engine '6.6L V8 Turbo Diesel (Duramax)', axle 3.73, GCWR 30,500
Conventional 16,000lb GCWR 30,500 lb 2015 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: Dually
Page 10, Silverado 2500HD and 3500HD conventional trailer weight ratings (Regular Cab), row 'Duramax� 6.6L Turbo-Diesel V8' axle 3.73, column Regular Cab Long Box 4X4 Dually
Conventional 16,000lb GCWR 30,500 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,350 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country SRW; 20" wheels
GVWR 11,700 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed High Country 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,700 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,200 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country SRW; 20" wheels
GVWR 11,550 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed High Country 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,550 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,300 lbs as printed.
Page 38, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Double Cab / Long Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2024 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,600 lbs as printed.
Page 38, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Double Cab / Long Bed 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,350 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country SRW; 20" wheels
GVWR 11,700 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed High Country 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,700 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Long Bed 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,200 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country SRW; 20" wheels
GVWR 11,550 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed High Country 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,550 lbs as printed.
Page 39, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Crew Cab / Standard Bed 4x4 SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb 2025 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: SRW; 18"/20" wheels
GVWR 11,300 lbs as printed.
Page 38, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 3500 HD Double Cab / Long Bed 2WD SRW / 6.6L V8 gas
Conventional 16,000lb GCWR 26,000 lb ← Previous 50 Page 134 of 688 Next 50 →