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 .
2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 2WD · Crew Cab · Long
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 2WD with 17" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 12,550lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 2WD · Crew Cab · Long
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 2WD with 17" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 12,550lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 2WD · Crew Cab · Long
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 2WD with 18" or 20" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 12,350lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 2WD · Crew Cab · Long
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 2WD with 18" or 20" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 12,350lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Standard
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 17" wheels Standard / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 11,720lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Standard
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 17" wheels Standard / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 11,720lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Double 4WD Long / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 11,690lb GCWR 24,500 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Double Cab · Long
Equipment: No package requirement recorded; check source chart.
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Double 4WD Long / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 11,690lb GCWR 24,500 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Standard
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 18" or 20" wheels Standard / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 11,530lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Standard
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 18" or 20" wheels Standard / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 11,530lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Long
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 17" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 10,620lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Long
Equipment: 17" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 17" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 10,620lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Long
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 18" or 20" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Fifth-wheel 10,240lb GCWR 26,000 lb 2021 · OEM chart
6.6L Duramax Turbo Diesel V8 Engine · 4WD · Crew Cab · Long
Equipment: 18" or 20" wheels
GVWR 10,000 lbs as printed. Optional 10,000-lb GVWR (or less) configuration table.
Page 8, Sierra HD trailering capability (optional 10,000-lb GVWR or less), row 2500 Crew 4WD with 18" or 20" wheels Long / 6.6L Duramax Turbo Diesel V8 Engine
Gooseneck 10,240lb GCWR 26,000 lb ← Previous 50 Page 3 of 3