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.
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35903; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 126, TR section, C/K 35 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model K35903, column 6.6L V8 TURBO DIESEL, axle 3.73
- Fifth-wheel
- 15,400lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Extended Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C35953; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 '53' as decoded elsewhere in the same GM document.
Page 126, TR section, C/K 35 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model C35953, column 6.6L V8 TURBO DIESEL, axle 3.73
- Fifth-wheel
- 15,200lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C35943; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 126, TR section, C/K 35 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model C35943, column 6.6L V8 TURBO DIESEL, axle 3.73
- Fifth-wheel
- 15,000lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Extended Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35953; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 '53' as decoded elsewhere in the same GM document.
Page 126, TR section, C/K 35 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model K35953, column 6.6L V8 TURBO DIESEL, axle 3.73
- Fifth-wheel
- 14,900lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35943; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 126, TR section, C/K 35 Series Heavy Duty Pickup Models 5th Wheel or Gooseneck Trailer Ratings, model K35943, column 6.6L V8 TURBO DIESEL, axle 3.73
- Fifth-wheel
- 14,700lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C35943; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 113, TR section, C/K 35 Series Heavy Duty Pickup Models maximum trailer ratings, model C35943, column 6.6L V8 TURBO DIESEL, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 2WD · Extended Cab · Not specified in chart · 3.73 axle
Equipment: GM model code C35953; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 '53' as decoded elsewhere in the same GM document.
Page 113, TR section, C/K 35 Series Heavy Duty Pickup Models maximum trailer ratings, model C35953, column 6.6L V8 TURBO DIESEL, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Regular Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35903; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 113, TR section, C/K 35 Series Heavy Duty Pickup Models maximum trailer ratings, model K35903, column 6.6L V8 TURBO DIESEL, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Crew Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35943; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 113, TR section, C/K 35 Series Heavy Duty Pickup Models maximum trailer ratings, model K35943, column 6.6L V8 TURBO DIESEL, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited
2003 · OEM chart
6.6L V8 Turbo Diesel · 4WD · Extended Cab · Not specified in chart · 3.73 axle
Equipment: GM model code K35953; Automatic or manual transmission
Chart engine column: 6.6L V8 TURBO DIESEL (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 '53' as decoded elsewhere in the same GM document.
Page 113, TR section, C/K 35 Series Heavy Duty Pickup Models maximum trailer ratings, model K35953, column 6.6L V8 TURBO DIESEL, axle 3.73
- Conventional
- 12,000lb
- GCWR
- Not cited