2020 Ram 2500 6.7L I6 Cummins Turbo Diesel towing capacity.

The published 2020 6.7L I6 Cummins Turbo Diesel towing rows surfaced here run from 14,550 - 19,680 lbs depending on cab, drivetrain, axle ratio, box length, GVWR, GCWR, and the configurations covered on this page.

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

TONGUE LOAD CONVENTIONAL / HD

10% / 15%

Conventional vs. 5th-wheel/gooseneck

TRAILERING HARDWARE EQUIPMENT WEIGHT

75 / 70 / 250 LBS

Conventional / gooseneck / 5th wheel

BOX-OFF LOAD COMPLETION WEIGHT

80 LBS/FT

No 5th-wheel / gooseneck threshold note published

RATING METHOD STANDARD

SAE J2807

Document-level towing policy

VIEW ALL GUIDE ASSUMPTIONS

GUIDE FINE PRINT

Calculation assumptions for the 2020 Ram 2500 guide.

These note blocks define the published payload, trailering hardware, and limit notes that govern every row in the supported 2020 Ram 2500 towing charts.

 FIG. 2020 LOAD Weight Assumptions Pre-loaded weights baked into the chart  Passenger weight:   300 lbs assumed occupant weight.
 Options weight:   100 lbs assumed factory-installed options.
 Conventional tongue:   10% of gross trailer weight.
 5th-wheel / gooseneck tongue:   15% of gross trailer weight.
 

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 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 LIMIT Commercial / Hitch Limits  Chassis-cab completion note   Box-off completion:   80 lbs per foot from end of cab to end of frame.
 Heavy-trailer thresholds:  
this guide does not publish 5th-wheel / gooseneck trigger weights.
 

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 WARNWarningsManufacturer 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 STD Rating Standard

SAE J2807 compliance

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

FIG. 2020 WARNWarningsManufacturer 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
Tongue weight: 10 percent of the gross trailer weight for Conventional Hitch, 15 percent of the gross trailer weight for 5th Wheel or Gooseneck hitch. p.8
Trailering Equipment Weight: 75 lb for Conventional Hitch, 70 lb for Gooseneck and 250 lb for 5th Wheel. 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
Maximum Capability. p.8

Towing data

2020 6.7L I6 Cummins Turbo Diesel towing capacity by configuration

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

RAM 2500 4X2 CREW TRADESMAN 6.4' BOX
3.73	10,000 lbs	2,770 lbs	27,000 lbs	19,310 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X2 CREW TRADESMAN 6.4' RAMBOX
3.73	10,000 lbs	2,660 lbs	27,000 lbs	19,180 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X2 CREW TRADESMAN 8' BOX
3.73	10,000 lbs	2,630 lbs	27,000 lbs	19,150 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X2 REG TRADESMAN 8' BOX
3.73	10,000 lbs	3,160 lbs	27,000 lbs	19,680 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 6.4' BOX
3.73	10,000 lbs	2,490 lbs	27,000 lbs	19,020 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 6.4' RAMBOX
3.73	10,000 lbs	2,350 lbs	27,000 lbs	18,790 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 8' BOX
3.73	10,000 lbs	2,300 lbs	25,525 lbs	17,350 lbs	6-Speed Auto 68RFE · TRADESMAN
RAM 2500 4X4 MEGA BIG HORN/ 6.4' BOX
3.73	10,000 lbs	2,040 lbs	25,265 lbs	15,690 lbs	6-Speed Auto 68RFE · BIG HORN
RAM 2500 4X4 MEGA BIG HORN/LONE STAR 6.4' RAMBOX
3.73	10,000 lbs	1,930 lbs	25,265 lbs	14,550 lbs	6-Speed Auto 68RFE · BIG HORN/LONE STAR
RAM 2500 4X4 REG TRADESMAN 8' BOX
3.73	10,000 lbs	2,810 lbs	27,000 lbs	19,330 lbs	6-Speed Auto 68RFE · TRADESMAN