2020 Ram 3500 6.7L I6 Cummins Turbo Diesel towing capacity.

The 2020 6.7L I6 Cummins Turbo Diesel tows 19,500 - 22,670 lbs across published configurations, depending on cab, drivetrain, axle ratio, wheel class, GVWR, GCWR, and box configuration.

Find your towing capacity Look up your 2020 6.7L I6 Cummins Turbo Diesel configuration View full comparison chart Compare all 2020 Ram 3500 configurations Open year guide Return to the 2020 Ram 3500 overview

Built from the official Ram 2020 towing guide pages used for this engine page. Citations for 6.7L I6 Cummins Turbo Diesel are available below.

Towing data

2020 6.7L I6 Cummins Turbo Diesel towing capacity by configuration

Each row below is one published configuration from the 2020 Ram 3500 towing guide, showing towing capacity, payload, GVWR, GCWR, axle ratio, and wheel class.

RAM 3500 4X2 CREW CAB TRADESMAN 6.4' BOX
3.73	SRW	11,500 lbs	4,240 lbs	28,300 lbs	20,570 lbs	Base7,262 lbsBase F/R4,351 lbs / 2,910 lbsGAWR F/R5,500 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.2
RAM 3500 4X2 CREW CAB TRADESMAN 6.4' RAMBOX
3.73	SRW	11,500 lbs	4,090 lbs	28,300 lbs	20,420 lbs	Base7,407 lbsBase F/R4,374 lbs / 3,033 lbsGAWR F/R5,500 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · RamBox	p.2
RAM 3500 4X2 CREW CAB TRADESMAN 8.0' BOX
4.10	DRW	14,000 lbs	6,180 lbs	30,300 lbs	22,010 lbs	Base7,818 lbsBase F/R4,537 lbs / 3,281 lbsGAWR F/R5,500 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.3
3.73	SRW	12,000 lbs	4,600 lbs	28,300 lbs	20,430 lbs	Base7,403 lbsBase F/R4,581 lbs / 2,822 lbsGAWR F/R5,500 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.3
3.73	DRW	14,000 lbs	6,180 lbs	28,300 lbs	20,010 lbs	Base7,818 lbsBase F/R4,537 lbs / 3,281 lbsGAWR F/R5,500 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.3
RAM 3500 4X2 REG CAB TRADESMAN 8.0' BOX
4.10	DRW	14,000 lbs	6,840 lbs	30,300 lbs	22,670 lbs	Base7,164 lbsBase F/R4,219 lbs / 2,945 lbsGAWR F/R5,500 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.1
3.73	SRW	11,500 lbs	4,680 lbs	28,300 lbs	21,010 lbs	Base6,822 lbsBase F/R4,161 lbs / 2,661 lbsGAWR F/R5,500 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.1
3.73	DRW	14,000 lbs	6,840 lbs	28,300 lbs	20,670 lbs	Base7,164 lbsBase F/R4,219 lbs / 2,945 lbsGAWR F/R5,500 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.1
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' BOX
3.73	SRW	11,800 lbs	4,190 lbs	28,300 lbs	20,220 lbs	Base7,606 lbsBase F/R4,694 lbs / 2,913 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.6
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' RAMBOX
3.73	SRW	11,800 lbs	4,050 lbs	28,300 lbs	20,080 lbs	Base7,751 lbsBase F/R4,692 lbs / 3,060 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · RamBox	p.6
RAM 3500 4X4 CREW CAB TRADESMAN 8.0' BOX
4.10	DRW	14,000 lbs	5,850 lbs	30,300 lbs	21,680 lbs	Base8,151 lbsBase F/R4,842 lbs / 3,309 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.7
3.73	SRW	12,300 lbs	4,490 lbs	28,300 lbs	20,020 lbs	Base7,809 lbsBase F/R4,852 lbs / 2,957 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.7
3.73	DRW	14,000 lbs	5,850 lbs	28,300 lbs	19,680 lbs	Base8,151 lbsBase F/R4,842 lbs / 3,309 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.7
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' BOX
4.10	DRW	14,000 lbs	5,670 lbs	30,300 lbs	21,500 lbs	Base8,329 lbsBase F/R4,870 lbs / 3,459 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · BIG HORN/LONE STAR · BOX (unspecified)	p.4
3.73	SRW	12,300 lbs	4,290 lbs	28,300 lbs	19,820 lbs	Base8,008 lbsBase F/R4,895 lbs / 3,113 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · BIG HORN/LONE STAR · BOX (unspecified)	p.4
3.73	DRW	14,000 lbs	5,670 lbs	28,300 lbs	19,500 lbs	Base8,329 lbsBase F/R4,870 lbs / 3,459 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · BIG HORN/LONE STAR · BOX (unspecified)	p.4
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' RAMBOX
3.73	SRW	12,300 lbs	4,120 lbs	28,300 lbs	19,650 lbs	Base8,184 lbsBase F/R4,946 lbs / 3,238 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · BIG HORN/LONE STAR · RamBox	p.4
RAM 3500 4X4 REG CAB TRADESMAN 8.0' BOX
4.10	DRW	14,000 lbs	6,400 lbs	30,300 lbs	22,230 lbs	Base7,601 lbsBase F/R4,517 lbs / 3,084 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.5
3.73	SRW	11,800 lbs	4,550 lbs	28,300 lbs	20,580 lbs	Base7,252 lbsBase F/R4,521 lbs / 2,730 lbsGAWR F/R6,000 lbs / 7,000 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.5
3.73	DRW	14,000 lbs	6,400 lbs	28,300 lbs	20,230 lbs	Base7,601 lbsBase F/R4,517 lbs / 3,084 lbsGAWR F/R6,000 lbs / 9,750 lbs	6-Speed Auto 68RFE · TRADESMAN · BOX (unspecified)	p.5

TONGUE LOAD CONV / 5TH-WHEEL

10% / 15%

Conventional vs. 5th-wheel/gooseneck

TRAILERING HARDWARE EQUIPMENT WEIGHT

75 / 70 / 250 LBS

Conventional / gooseneck / 5th wheel

HITCH THRESHOLDS TRAILER LIMITS

23k / 30k LBS

5th-wheel / gooseneck required above this weight

RATING METHOD STANDARD

SAE J2807

Industry tow-rating standard

VIEW ALL FINE PRINT

FIG. 2020 LOAD Baseline Weights

Weights Ram already counted in every rating

Passenger weight: 300 lbs counted for driver + passengers.
Options weight: 100 lbs counted for factory-installed options.
Conventional tongue: 10% of gross trailer weight.
5th-wheel / gooseneck tongue: 15% of gross trailer weight.

FIG. 2020 CALC Payload Formula

How Ram derives payload from base weight

Formula: Payload = GVWR - Base Weight
Values: Published as estimated values.
Rounding: nearest 10 lbs.

FIG. 2020 HITCH Hitch Loading

Hardware weight deducted from payload

Conventional hitch: 75 lbs of equipment weight.
Gooseneck: 70 lbs of equipment weight.
5th wheel: 250 lbs of equipment weight.

FIG. 2020 LIMIT Commercial / Hitch Limits

Chassis-cab and heavy-trailer thresholds

Body-completion weight: 80 lbs per foot from end of cab to end of frame.
5th-wheel required over: 23,000 lbs trailer weight.
Gooseneck required over: 30,000 lbs trailer weight.

FIG. 2020 STD Rating Standard

SAE J2807 compliance

Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807.

FIG. 2020 WARN Warnings

Manufacturer safety warnings

Payload and Trailer Weight Rating are mutually exclusive.
GAWRs, GVWRs and GCWRs should never be exceeded.
Payload and GAWR should never be exceeded and must account for all of the above weights, including the appropriate trailering equipment and tongue weight.

FIG. 2020 NOTES Policy Notes

All published notes from the 2020 towing guide

Payload and Max Trailer Weights are ESTIMATED values. p.8
All values are shown in pounds unless otherwise stated. p.8
Payload and Max Trailer Weight values are rounded to the nearest 10lb. p.8
Payload = GVWR - Base Weight p.8
Payload and Trailer Weight Rating are mutually exclusive. p.8
GAWRs, GVWRs and GCWRs should never be exceeded. p.8
Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807. p.8
Passenger Weight = 300 lb p.8
Options Weight = 100 lb p.8
Trailering Equipment Weight: 75 lb for Conventional Hitch, 70 lb for Gooseneck and 250 lb for 5th Wheel. p.8
Tongue weight: 10 percent of the gross trailer weight for Conventional Hitch, 15 percent of the gross trailer weight for a 5th Wheel or Gooseneck hitch. p.8
Payload and GAWR should never be exceeded and must account for all of the above weights, including the appropriate trailering equipment and tongue weight. p.8
Box Off Body Completion Weight = 80 lb per foot from end of cab to end of frame. p.8
A fifth-wheel hitch is required for trailers over 23,000 lbs. p.8
A Gooseneck hitch is required for trailers over 30,000 lbs. p.8
Maximum Capability p.8