2020 Ram 2500 6.4L V8 HEMI MDS towing capacity.

The published 2020 6.4L V8 HEMI MDS towing rows surfaced here run from 10,290 - 17,540 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 6.4L V8 HEMI MDS available below.

2020 Ram 2500
6.4L V8 HEMI MDS RANGE
10,290 - 17,540 LBS
PEAK PAYLOAD
4,010 LBS
MAX GCWR
24,000 LBS
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 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 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: Guide-level assumptions apply to all published towing and payload values. Individual configurations may have additional row-level constraints.
Towing data

2020 6.4L V8 HEMI MDS 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
4.10 10,000 lbs 3,660 lbs 24,000 lbs 17,190 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,660 lbs 21,500 lbs 14,690 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X2 CREW TRADESMAN 6.4' RAMBOX
4.10 10,000 lbs 3,540 lbs 24,000 lbs 17,070 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,540 lbs 21,500 lbs 14,570 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X2 CREW TRADESMAN 8' BOX
4.10 10,000 lbs 3,520 lbs 24,000 lbs 17,050 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,520 lbs 21,500 lbs 14,550 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X2 REG TRADESMAN 8' BOX
4.10 10,000 lbs 4,010 lbs 24,000 lbs 17,540 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 4,010 lbs 21,500 lbs 15,040 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 6.4' BOX
4.10 10,000 lbs 3,350 lbs 24,000 lbs 16,880 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,350 lbs 21,500 lbs 14,380 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 6.4' RAMBOX
4.10 10,000 lbs 3,220 lbs 24,000 lbs 16,750 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,220 lbs 21,500 lbs 14,250 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN 8' BOX
4.10 10,000 lbs 3,160 lbs 24,000 lbs 16,690 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,160 lbs 21,500 lbs 14,190 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
RAM 2500 4X4 CREW TRADESMAN W/ PWR -WAGON EQUIPMENT 6.4' BOX
4.10 8,565 lbs 1,620 lbs 18,000 lbs 10,580 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN W/ PWR -WAGON EQUIPMENT
RAM 2500 4X4 CREW TRADESMAN W/ PWR -WAGON EQUIPMENT 6.4' RAMBOX
4.10 8,565 lbs 1,500 lbs 18,000 lbs 10,290 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN W/ PWR -WAGON EQUIPMENT
RAM 2500 4X4 MEGA BIG HORN/ 6.4' BOX
4.10 10,000 lbs 2,940 lbs 24,000 lbs 16,460 lbs 8-Speed Auto 8HP75-LCV · BIG HORN
3.73 10,000 lbs 2,940 lbs 21,500 lbs 13,970 lbs 8-Speed Auto 8HP75-LCV · BIG HORN
RAM 2500 4X4 MEGA BIG HORN/LONE STAR 6.4' RAMBOX
4.10 10,000 lbs 2,790 lbs 24,000 lbs 16,320 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR
3.73 10,000 lbs 2,790 lbs 21,500 lbs 13,820 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR
RAM 2500 4X4 REG TRADESMAN 8' BOX
4.10 10,000 lbs 3,690 lbs 24,000 lbs 17,220 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
3.73 10,000 lbs 3,690 lbs 21,500 lbs 14,720 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN
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
6.7L I6 Cummins Turbo Diesel
Range: 14,550 - 19,680 lbs
Peak published max 19,680 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 6.4L V8 HEMI MDS
Range: 10,380 - 17,580 lbs
Peak published max 17,580 LBS
Technical Audit

Data sources

These citations show the Ram guide pages used to build the 2020 6.4L V8 HEMI MDS engine page.

Show source pages for the 6.4L V8 HEMI MDS page
DOC_ID: ram-2500 DOCUMENT BASIS

2020 Ram 2500 Towing Guide

Audit Scope PAGES: 1-7