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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.

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2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
35,500lb
GCWR
43,500 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
32,000lb
GCWR
43,500 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
31,760lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
31,760lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
31,500lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
31,500lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
31,400lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
31,400lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
31,340lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
31,340lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
31,180lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
31,180lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,500lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Double 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,490lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Double 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,490lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,330lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,330lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,300lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,300lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Double 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,210lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Double 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,210lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Fifth-wheel
21,040lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Gooseneck
21,040lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Long

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 2WD Standard / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Crew Cab · Standard

Equipment: SRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 SRW Crew 4WD Standard / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
29,700 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 2WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Double Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Double 4WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
40,000 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 2WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 2WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
43,500 lb

2020 · OEM chart

GMC Sierra 3500HD

6.6L V8 Duramax Turbo Diesel · 4WD · Regular Cab · Long

Equipment: DRW

Page 6, Sierra HD Duramax turbo diesel specifications, row 3500 DRW Reg 4WD Long / 6.6L V8 Duramax Turbo Diesel

Conventional
20,000lb
GCWR
40,000 lb