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 .
2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Long Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Long Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Long Bed · 3.42 axle
Equipment: 18"/20" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Long Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Double Cab · Standard Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Standard Bed 2WD
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Double Cab · Standard Bed · 3.42 axle
Equipment: 18"/20" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Standard Bed 2WD
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Standard Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Standard Bed 4x4
Conventional 14,500lb GCWR 24,500 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Standard Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Standard Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Double Cab · Standard Bed · 3.42 axle
Equipment: 18"/20" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Double Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Double Cab Standard Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Regular Cab · Long Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Regular Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Regular Cab Long Bed 2WD
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Regular Cab · Long Bed · 3.42 axle
Equipment: 18"/20" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Regular Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Regular Cab Long Bed 2WD
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Regular Cab · Long Bed · 3.42 axle
Equipment: 17" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Regular Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Regular Cab Long Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2020 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Regular Cab · Long Bed · 3.42 axle
Equipment: 18"/20" wheels
Page 17, Silverado 2500 HD and 3500 HD conventional trailer weight ratings (Regular Cab), row 'Duramax 6.6L Turbo-Diesel V8' axle 3.42, column Regular Cab Long Bed 4x4
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 17"/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 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 17" wheels
GVWR 10,300 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,500 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 17"/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 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 17" wheels
GVWR 10,650 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 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,850 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 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Long Bed
Equipment: High Country; 20" wheels
GVWR 10,850 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 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,150 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,350 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,450 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,650 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Crew Cab · Standard Bed
Equipment: High Country; 20" wheels
GVWR 10,650 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 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: 17" wheels
GVWR 10,200 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,400 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 17" wheels
GVWR 10,500 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,750 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Standard Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,050 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Double Cab · Standard Bed
Equipment: 18"/20" wheels
GVWR 10,250 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Standard Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Standard Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,350 lbs as printed.
Page 34, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD DOUBLE / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Double 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 DOUBLE / Standard Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Regular Cab · Long Bed
Equipment: 17"/18" wheels
GVWR 9,900 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Regular Cab · Long Bed
Equipment: 17" wheels
GVWR 10,000 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 2WD · Regular Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,150 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 2WD / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Regular Cab · Long Bed
Equipment: 17"/18" wheels
GVWR 10,000 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Regular Cab · Long Bed
Equipment: 17" wheels
GVWR 10,250 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
6.6L V8 gas · 4WD · Regular Cab · Long Bed
Equipment: 18"/20" wheels
GVWR 10,450 lbs as printed.
Page 33, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD REGULAR / Long Bed 4x4 / 6.6L V8 gas
Conventional 14,500lb GCWR 24,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Long Bed
Equipment: 17" 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 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Long Bed
Equipment: 17" wheels
GVWR 11,000 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Long Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Crew Cab · Long Bed
Equipment: 17" 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 / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Crew Cab · Long Bed
Equipment: 17" wheels
GVWR 11,350 lbs as printed.
Page 36, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Long Bed 4x4 / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 2WD · Crew Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,800 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 2WD / Duramax 6.6L Turbo-Diesel V8
Conventional 14,500lb GCWR 26,000 lb 2021 · OEM chart
Duramax 6.6L Turbo-Diesel V8 · 4WD · Crew Cab · Standard Bed
Equipment: 17" wheels
GVWR 10,000 lbs as printed.
Page 35, Silverado HD conventional and gooseneck/5th-wheel trailer weight ratings, 2500 HD CREW CAB / Standard Bed 4x4 / Duramax 6.6L Turbo-Diesel V8
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