The specification desk
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.
60 matching chart rows · showing 1–50
Download these results as CSV ↓A model missing here may have a published maximum without detailed chart rows. Check coverage or browse every cataloged model.
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Regular Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Regular Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 4x4', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 4x4', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Regular Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (VORTEC 6.0L V8).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Crew Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 4x4', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 4x4', box 6' 6", axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Extended Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 2WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (DURAMAX DIESEL 6.6L V8 TURBO).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Regular Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Regular Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Regular Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (VORTEC 6.0L V8).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Regular Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (VORTEC 6.0L V8).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Regular Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (VORTEC 6.0L V8).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 4WD · Crew Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (DURAMAX DIESEL 6.6L V8 TURBO). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section DURAMAX DIESEL 6.6L V8 TURBO, row '2500HD Crew Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Extended Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 4x4', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Extended Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 4x4', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Crew Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 4x4', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Extended Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Crew Cab · 6' 6" box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 4x4', box 6' 6", axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Extended Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Crew Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 4WD · Crew Cab · 8' box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 4x4' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 4x4', box 8', axle 4.10
2009 · OEM chart
6.0L V8 · 2WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (VORTEC 6.0L V8).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 2WD' (VORTEC 6.0L V8).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.0L V8 · 4WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (VORTEC 6.0L V8).
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.0L V8 · 4WD · Regular Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Regular Cab 4x4' (VORTEC 6.0L V8).
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Regular Cab 4x4', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 21, Silverado & Silverado HD ball-hitch trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 8', axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Crew Cab · 6' 6" box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Crew Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 6' 6" value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Crew Cab 2WD', box 6' 6", axle 3.73
2009 · OEM chart
6.0L V8 · 2WD · Extended Cab · 8' box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart row: '2500HD Extended Cab 2WD' (VORTEC 6.0L V8). Cell prints values for two box lengths; this row is the 8' value.
Page 22, Silverado & Silverado HD fifth-wheel trailering tables, section VORTEC 6.0L V8, row '2500HD Extended Cab 2WD', box 8', axle 3.73