2026 · OEM chart
GMC Sierra 3500HD
6.6L Duramax V8 · 2WD · Regular Cab · Long
Equipment: Dual rear wheels, Max Trailering Package
Page 2, 43,900 GCWR / Regular Cab 2WD DRW, footnotes 6 and 8
- Gooseneck
- 36,000lb
- GCWR
- 43,900 lb
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2026 · OEM chart
GMC Sierra 3500HD
6.6L Duramax V8 · 2WD · Regular Cab · Long
Equipment: Dual rear wheels, Max Trailering Package
Page 2, 43,900 GCWR / Regular Cab 2WD DRW, footnotes 6–7
- Fifth-wheel
- 32,000lb
- GCWR
- 43,900 lb
2026 · OEM chart
GMC Sierra 3500HD
6.6L Duramax V8 · 2WD · Regular Cab · Long
Equipment: Dual rear wheels, Max Trailering Package
Page 1, 43,900 GCWR / Regular Cab 2WD DRW, footnote 3
- Conventional
- 20,000lb
- GCWR
- 43,900 lb