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.
34,354 matching chart rows · showing 10,651–10,700
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.
2025 · OEM chart
6.8L V8 · 2WD · Crew Cab · 8' Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
SRW (single rear wheels).
Page 22, F-350 SRW Super Duty Pickup Conventional Towing table, row 6.8L V8 3.73 GCWR 21,000, column F-350 SRW Crew Cab 2WD 176.0" WB 8' Box
2005 · OEM chart
8.1L V8 · 2WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C25903; Automatic or manual transmission
Chart engine column: 8.1L V8 GAS (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 8.1L V8 GAS, axle 3.73
2005 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K25743; 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 '43' 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 K25743, column 6.6L V8 TURBO DIESEL, axle 3.73
2006 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K25743; 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 32, Trailering Information, C/K 25 Series Heavy Duty Pickup Models (Chevy Silverado and GMC Sierra), model K25743, column 6.6L V8 TURBO DIESEL, axle 3.73
2012 · OEM chart
6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row label: '2500hd series crew cab standard box 2wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '2500hd series crew cab standard box 2wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2012 · OEM chart
6.0L V8 · 2WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row label: '2500hd series extended cab long box 2wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '2500hd series extended cab long box 2wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2013 · OEM chart
6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row label: '2500hd series crew cab standard box 2wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '2500hd series crew cab standard box 2wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2013 · OEM chart
6.0L V8 · 2WD · Extended Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart row label: '2500hd series extended cab long box 2wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 15, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '2500hd series extended cab long box 2wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2014 · OEM published maximum
6.0L V8 · 2WD · Crew Cab · Standard Box
Equipment: No package requirement recorded; check source chart.
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.0L V8 value. Hitch column 'Fifth-Wheel or Gooseneck' is recorded as fifth-wheel. Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 2500HD 'Crew Cab Standard Box', column maximum trailering Fifth-Wheel or Gooseneck 2WD, 6.0L V8 (values printed as Vortec 6.0L / Duramax pairs)
2014 · OEM published maximum
6.0L V8 · 2WD · Crew Cab · Standard Box
Equipment: Denali
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.0L V8 value. Hitch column 'Fifth-Wheel or Gooseneck' is recorded as fifth-wheel. Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 2500HD 'Denali Crew Cab Standard Box', column maximum trailering Fifth-Wheel or Gooseneck 2WD, 6.0L V8 (values printed as Vortec 6.0L / Duramax pairs)
2015 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2015 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES CREW CAB LONG BOX 2WD', Vortec 6.0L V8 column, axle 4.10
2015 · OEM chart
Vortec 6.0L V8 · 4WD · Double Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2015 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB STANDARD BOX 4WD2', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Duramax 6.6L V8 Turbo Diesel · 4WD · Double Cab · Long Box · 3.73 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB LONG BOX 4WD', Duramax 6.6L V8 Turbo Diesel column, axle 3.73
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES CREW CAB LONG BOX 2WD', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 4WD · Double Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 14, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB STANDARD BOX 4WD2', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: Bi-Fuel
Page 14, 2016 Sierra HD automatic transmission ratings with ball hitch, row '2500HD SERIES REGULAR CAB LONG BOX 2WD BI-FUEL', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 19, 2017 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES CREW CAB LONG BOX 2WD', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 4WD · Double Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 19, 2017 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB STANDARD BOX 4WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 19, 2018 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES CREW CAB LONG BOX 2WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 4WD · Double Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 19, 2018 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB STANDARD BOX 4WD', Vortec 6.0L V8 column, axle 4.10
2019 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 17, 2019 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES CREW CAB LONG BOX 2WD', Vortec 6.0L V8 column, axle 4.10
2019 · OEM chart
Vortec 6.0L V8 · 4WD · Double Cab · Standard Box · 4.10 axle
Equipment: No package requirement recorded; check source chart.
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 17, 2019 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '2500HD SERIES DOUBLE CAB STANDARD BOX 4WD', Vortec 6.0L V8 column, axle 4.10
2012 · OEM chart
6.0L V8 · 4WD · Regular Cab · Long Box · 4.10 axle
Equipment: Single rear wheels (SRW)
Chart row label: '3500hd series regular cab long box srw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series regular cab long box srw 4wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2013 · OEM chart
6.0L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: Dual rear wheels (DRW)
Chart row label: '3500hd series regular cab long box drw 2wd'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series regular cab long box drw 2wd', column 6.0L V8 (fifth-wheel), axle 4.10
2013 · OEM chart
6.0L V8 · 4WD · Regular Cab · Long Box · 4.10 axle
Equipment: Single rear wheels (SRW)
Chart row label: '3500hd series regular cab long box srw 4wd 2'. All automatic transmission models are equipped with an engine oil cooler (KC4) and an oil-to-air transmission oil cooler (KNP). Chart is for use with fifth-wheel or gooseneck hitches.
Page 16, Sierra HD automatic transmission ratings (ball hitch / gooseneck-fifth-wheel), row '3500hd series regular cab long box srw 4wd 2', column 6.0L V8 (fifth-wheel), axle 4.10
2014 · OEM published maximum
6.0L V8 · 2WD · Regular Cab · Not specified in chart
Equipment: Dual rear wheels (DRW)
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.0L V8 value. Hitch column 'Fifth-Wheel or Gooseneck' is recorded as fifth-wheel. Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 3500HD 'Regular Cab DRW', column maximum trailering Fifth-Wheel or Gooseneck 2WD, 6.0L V8 (values printed as Vortec 6.0L / Duramax pairs)
2014 · OEM published maximum
6.0L V8 · 4WD · Regular Cab · Not specified in chart
Equipment: Single rear wheels (SRW)
Brochure prints each cell as 'Vortec 6.0L V-8 / Duramax Diesel 6.6L V-8 Turbo'; this row is the 6.0L V8 value. Hitch column 'Fifth-Wheel or Gooseneck' is recorded as fifth-wheel. Footnote 4: Maximum trailer weight ratings are calculated assuming a base vehicle, except for any option(s) necessary to achieve the rating, plus driver.
Page 30, Select ratings table, row 3500HD 'Regular Cab SRW', column maximum trailering Fifth-Wheel or Gooseneck 4WD, 6.0L V8 (values printed as Vortec 6.0L / Duramax pairs)
2015 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 15, 2015 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2015 · OEM chart
Vortec 6.0L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: DRW
Page 15, 2015 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES REGULAR CAB LONG BOX DRW 2WD', Vortec 6.0L V8 column, axle 4.10
2015 · OEM chart
Vortec 6.0L V8 · 2WD · Regular Cab · Long Box · 4.10 axle
Equipment: DRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 15, 2015 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES REGULAR CAB LONG BOX DRW 2WD', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: Denali; SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 15, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500 DENALI HD CREW CAB STANDARD BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 15, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES CREW CAB STANDARD BOX SRW 2WD2', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Page 15, 2016 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2016 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 15, 2016 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: Denali; SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2017 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500 DENALI HD CREW CAB STANDARD BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2017 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES CREW CAB STANDARD BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Page 20, 2017 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2017 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2017 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: Denali; SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2018 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500 DENALI HD CREW CAB STANDARD BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2018 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES CREW CAB STANDARD BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Page 20, 2018 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2018 · OEM chart
Vortec 6.0L V8 · 2WD · Double Cab · Long Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 20, 2018 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES DOUBLE CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2019 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: SRW
Page 18, 2019 Sierra HD automatic transmission ratings with ball hitch, row '3500HD SERIES CREW CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2019 · OEM chart
Vortec 6.0L V8 · 2WD · Crew Cab · Long Box · 4.10 axle
Equipment: SRW
Chart column: max gooseneck/5th-wheel trailer weight (single rating covering both hitch types).
Page 18, 2019 Sierra HD automatic transmission ratings with gooseneck/fifth-wheel trailer, row '3500HD SERIES CREW CAB LONG BOX SRW 2WD', Vortec 6.0L V8 column, axle 4.10
2005 · OEM chart
8.1L V8 · 2WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C25903; Automatic or manual transmission
Chart engine column: 8.1L V8 GAS (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 8.1L V8 GAS, axle 3.73
2005 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K25743; 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 '43' 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 K25743, column 6.6L V8 TURBO DIESEL, axle 3.73
2006 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K25743; 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 32, Trailering Information, C/K 25 Series Heavy Duty Pickup Models (Chevy Silverado and GMC Sierra), model K25743, column 6.6L V8 TURBO DIESEL, axle 3.73
2007 · OEM chart
6.6L V8 Turbo Diesel (Duramax) · 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 6.6L V8 Turbo Diesel (Duramax), axle 3.73
2011 · OEM chart
6.0L V8 · 2WD · Crew Cab · Standard Box · 4.10 axle
Equipment: Automatic transmission
Chart row label: '2500HD Series Crew Cab Standard Box 2WD'. Chart engine column: 6.0L V8.
Page 11, Silverado HD ratings with gooseneck/fifth-wheel hitch, row '2500HD Series Crew Cab Standard Box 2WD', column 6.0L V8, axle 4.10
2011 · OEM chart
6.0L V8 · 2WD · Extended Cab · Long Box · 4.10 axle
Equipment: Automatic transmission
Chart row label: '2500HD Series extended Cab Long Box 2WD'. Chart engine column: 6.0L V8.
Page 11, Silverado HD ratings with gooseneck/fifth-wheel hitch, row '2500HD Series extended Cab Long Box 2WD', column 6.0L V8, axle 4.10