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.
2007 · OEM chart
8.1L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25903; row label 'C25903 – Regular Cab Long Box, 2WD'. 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 C25903 (C25903 – Regular Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Fifth-wheel
- 16,100lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25753; row label 'C25753 – Extended Cab Standard Box, 2WD'. 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 C25753 (C25753 – Extended Cab Standard Box, 2WD), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,900lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Regular Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25903; row label 'K25903 – Regular Cab Long Box, 4x4'. 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 K25903 (K25903 – Regular Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,800lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25953; row label 'C25953 – Extended Cab Long Box, 2WD'. 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 C25953 (C25953 – Extended Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,700lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25743; row label 'C25743 – Crew Cab Standard Box, 2WD'. 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 C25743 (C25743 – Crew Cab Standard Box, 2WD), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,600lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25753; row label 'K25753 – Extended Cab Standard Box, 4x4'. 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 K25753 (K25753 – Extended Cab Standard Box, 4x4), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,600lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25943; row label 'C25943 – Crew Cab Long Box, 2WD'. 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 C25943 (C25943 – Crew Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,500lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25953; row label 'K25953 – Extended Cab Long Box, 4x4'. 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 K25953 (K25953 – Extended Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,400lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25743; row label 'K25743 – Crew Cab Standard Box, 4x4'. 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 K25743 (K25743 – Crew Cab Standard Box, 4x4), column 8.1L V8, axle 4.10
- Fifth-wheel
- 15,300lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25943; row label 'K25943 – Crew Cab Long Box, 4x4'. 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 K25943 (K25943 – Crew Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Fifth-wheel
- 14,600lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25903; row label 'C25903 – Regular Cab Long Box, 2WD'. 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 C25903 (C25903 – Regular Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Fifth-wheel
- 14,100lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25753; row label 'C25753 – Extended Cab Standard Box, 2WD'. 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 C25753 (C25753 – Extended Cab Standard Box, 2WD), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,900lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25903; row label 'K25903 – Regular Cab Long Box, 4x4'. 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 K25903 (K25903 – Regular Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,800lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25953; row label 'C25953 – Extended Cab Long Box, 2WD'. 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 C25953 (C25953 – Extended Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,700lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25743; row label 'C25743 – Crew Cab Standard Box, 2WD'. 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 C25743 (C25743 – Crew Cab Standard Box, 2WD), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,600lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25753; row label 'K25753 – Extended Cab Standard Box, 4x4'. 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 K25753 (K25753 – Extended Cab Standard Box, 4x4), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,600lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25943; row label 'C25943 – Crew Cab Long Box, 2WD'. 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 C25943 (C25943 – Crew Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,500lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25953; row label 'K25953 – Extended Cab Long Box, 4x4'. 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 K25953 (K25953 – Extended Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,400lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25743; row label 'K25743 – Crew Cab Standard Box, 4x4'. 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 K25743 (K25743 – Crew Cab Standard Box, 4x4), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,300lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25943; row label 'K25943 – Crew Cab Long Box, 4x4'. 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 K25943 (K25943 – Crew Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Fifth-wheel
- 13,200lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25743; row label 'C25743 – Crew Cab Standard Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25743 (C25743 – Crew Cab Standard Box, 2WD), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25743; row label 'C25743 – Crew Cab Standard Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25743 (C25743 – Crew Cab Standard Box, 2WD), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25753; row label 'C25753 – Extended Cab Standard Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25753 (C25753 – Extended Cab Standard Box, 2WD), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25753; row label 'C25753 – Extended Cab Standard Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25753 (C25753 – Extended Cab Standard Box, 2WD), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25903; row label 'C25903 – Regular Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25903 (C25903 – Regular Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25903; row label 'C25903 – Regular Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25903 (C25903 – Regular Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25943; row label 'C25943 – Crew Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25943 (C25943 – Crew Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25943; row label 'C25943 – Crew Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25943 (C25943 – Crew Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25953; row label 'C25953 – Extended Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25953 (C25953 – Extended Cab Long Box, 2WD), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 2WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code C25953; row label 'C25953 – Extended Cab Long Box, 2WD'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row C25953 (C25953 – Extended Cab Long Box, 2WD), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25743; row label 'K25743 – Crew Cab Standard Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25743 (K25743 – Crew Cab Standard Box, 4x4), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25743; row label 'K25743 – Crew Cab Standard Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25743 (K25743 – Crew Cab Standard Box, 4x4), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Standard Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25753; row label 'K25753 – Extended Cab Standard Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25753 (K25753 – Extended Cab Standard Box, 4x4), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25753; row label 'K25753 – Extended Cab Standard Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25753 (K25753 – Extended Cab Standard Box, 4x4), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Regular Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25903; row label 'K25903 – Regular Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25903 (K25903 – Regular Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Regular Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25903; row label 'K25903 – Regular Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25903 (K25903 – Regular Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25943; row label 'K25943 – Crew Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25943 (K25943 – Crew Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25943; row label 'K25943 – Crew Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25943 (K25943 – Crew Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25953; row label 'K25953 – Extended Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25953 (K25953 – Extended Cab Long Box, 4x4), column 8.1L V8, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2007 · OEM chart
8.1L V8 · 4WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart model code K25953; row label 'K25953 – Extended Cab Long Box, 4x4'. 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 10, Ball hitch trailering Silverado 2500HD and 3500 pickups, row K25953 (K25953 – Extended Cab Long Box, 4x4), column 8.1L V8, axle 4.10
- Conventional
- 12,000lb
- GCWR
- Not cited