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.

Find your towing capacity Look up your exact configuration with 6.7L I6 Cummins Turbo Diesel prefilled → View full comparison chart Full model index →

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

2020 Ram 2500
6.7L I6 Cummins Turbo Diesel RANGE
14,550 - 19,680 LBS
PEAK PAYLOAD
3,160 LBS
MAX GCWR
27,000 LBS
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 Base7,234 lbsBase F/R4,398 lbs / 2,835 lbsGAWR F/R5,500 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.2
RAM 2500 4X2 CREW TRADESMAN 6.4' RAMBOX
3.73 10,000 lbs 2,660 lbs 27,000 lbs 19,180 lbs Base7,344 lbsBase F/R4,369 lbs / 2,974 lbsGAWR F/R5,500 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.2
RAM 2500 4X2 CREW TRADESMAN 8' BOX
3.73 10,000 lbs 2,630 lbs 27,000 lbs 19,150 lbs Base7,372 lbsBase F/R4,532 lbs / 2,841 lbsGAWR F/R5,500 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.3
RAM 2500 4X2 REG TRADESMAN 8' BOX
3.73 10,000 lbs 3,160 lbs 27,000 lbs 19,680 lbs Chart max Base6,844 lbsBase F/R4,212 lbs / 2,632 lbsGAWR F/R5,500 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.1
RAM 2500 4X4 CREW TRADESMAN 6.4' BOX
3.73 10,000 lbs 2,490 lbs 27,000 lbs 19,020 lbs Base7,508 lbsBase F/R4,661 lbs / 2,848 lbsGAWR F/R5,750 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.6
RAM 2500 4X4 CREW TRADESMAN 6.4' RAMBOX
3.73 10,000 lbs 2,350 lbs 27,000 lbs 18,790 lbs Base7,646 lbsBase F/R4,673 lbs / 2,973 lbsGAWR F/R5,750 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.6
RAM 2500 4X4 CREW TRADESMAN 8' BOX
3.73 10,000 lbs 2,300 lbs 25,525 lbs 17,350 lbs Base7,703 lbsBase F/R4,823 lbs / 2,880 lbsGAWR F/R5,750 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN p.7
RAM 2500 4X4 MEGA BIG HORN/ 6.4' BOX
3.73 10,000 lbs 2,040 lbs 25,265 lbs 15,690 lbs Base7,956 lbsBase F/R4,895 lbs / 3,061 lbsGAWR F/R6,000 lbs / 6,040 lbs 6-Speed Auto 68RFE · BIG HORN p.4
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 Base8,070 lbsBase F/R4,890 lbs / 3,180 lbsGAWR F/R6,000 lbs / 6,040 lbs 6-Speed Auto 68RFE · BIG HORN/LONE STAR p.4
RAM 2500 4X4 REG TRADESMAN 8' BOX
3.73 10,000 lbs 2,810 lbs 27,000 lbs 19,330 lbs Base7,194 lbsBase F/R4,516 lbs / 2,678 lbsGAWR F/R5,750 lbs / 6,000 lbs 6-Speed Auto 68RFE · TRADESMAN 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
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
GUIDE FINE PRINT

Ground rules behind every 2020 Ram 2500 towing number.

These ground rules define the payload, trailering hardware, and limits behind every 2020 Ram 2500 towing number on this page.

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
NOTES: These ground rules apply to every published towing and payload value. Your specific truck configuration may have additional constraints.
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