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

The 2020 6.7L I6 Cummins Turbo Diesel tows 14,550 - 19,680 lbs depending on cab, drivetrain, axle ratio, bed 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.

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

TONGUE LOAD CONV / 5TH-WHEEL

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

Industry tow-rating standard

VIEW ALL FINE PRINT

FIG. 2020 LOAD Baseline Weights

Weights Ram already counted in every number

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 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 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
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

Compare

Other 2020 engines

These comparisons stay within the same published year slice so separate gas/diesel or drivetrain groupings are not blended together.

Highest Capacity

6.4L V8 HEMI MDS

Range: 10,290 - 17,540 lbs

Max rating 17,540 LBS

Cross-Year

This engine in other supported years

Cross-year comparisons stay within the same published year slice so earlier unified or split guide structures are not merged artificially.

2019 6.7L I6 Cummins Turbo Diesel

Range: 15,070 - 19,780 lbs

Max rating 19,780 LBS

Technical Audit

Data sources

These citations show the Ram guide pages used to build the 2020 6.7L I6 Cummins Turbo Diesel engine page.

Show source pages for the 6.7L I6 Cummins Turbo Diesel page and supplement gaps

About these numbers

2020 supplement PDFs aren't on this chart

Ram's separate 2020 supplement PDFs aren't included here — if your build depends on them, check your owner's manual or dealer before loading to the max.

DOC_ID: ram-2500 DOCUMENT BASIS

2020 Ram 2500 Towing Guide

Audit Scope PAGES: 1-7