2020 Ram 3500 6.4L V8 HEMI MDS towing capacity.

The 2020 6.4L V8 HEMI MDS tows 13,660 - 18,210 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 6.4L V8 HEMI MDS 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 6.4L V8 HEMI MDS are available below.

2020 Ram 3500
6.4L V8 HEMI MDS RANGE
13,660 - 18,210 LBS
PEAK PAYLOAD
7,680 LBS
MAX GCWR
25,000 LBS
Towing data

2020 6.4L V8 HEMI MDS 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
4.10 SRW 10,700 lbs 4,110 lbs 24,000 lbs 16,940 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 10,700 lbs 4,110 lbs 21,500 lbs 14,440 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
RAM 3500 4X2 CREW CAB TRADESMAN 6.4' RAMBOX
4.10 SRW 10,700 lbs 3,970 lbs 24,000 lbs 16,800 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · RamBox
3.73 SRW 10,700 lbs 3,970 lbs 21,500 lbs 14,300 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · RamBox
RAM 3500 4X2 CREW CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 7,050 lbs 25,000 lbs 17,580 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
4.10 SRW 11,100 lbs 4,520 lbs 24,000 lbs 16,950 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 11,100 lbs 4,520 lbs 21,500 lbs 14,450 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 7,050 lbs 21,500 lbs 14,080 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
RAM 3500 4X2 REG CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 7,680 lbs 25,000 lbs 18,210 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
4.10 SRW 10,700 lbs 4,640 lbs 24,000 lbs 17,470 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 10,700 lbs 4,640 lbs 21,500 lbs 14,970 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 7,680 lbs Chart max 21,500 lbs 14,710 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' BOX
4.10 SRW 11,000 lbs 4,240 lbs 24,000 lbs 16,770 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 11,000 lbs 4,240 lbs 21,500 lbs 14,270 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' RAMBOX
4.10 SRW 11,000 lbs 4,140 lbs 24,000 lbs 16,670 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · RamBox
3.73 SRW 11,000 lbs 4,140 lbs 21,500 lbs 14,170 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · RamBox
RAM 3500 4X4 CREW CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 6,700 lbs 25,000 lbs 17,230 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
4.10 SRW 11,400 lbs 4,440 lbs 24,000 lbs 16,570 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 11,400 lbs 4,440 lbs 21,500 lbs 14,070 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 6,700 lbs 21,500 lbs 13,730 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' BOX
4.10 DRW 14,000 lbs 6,630 lbs 25,000 lbs 17,160 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · BOX (unspecified)
4.10 SRW 11,400 lbs 4,340 lbs 24,000 lbs 16,470 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · BOX (unspecified)
3.73 SRW 11,400 lbs 4,340 lbs 21,500 lbs 13,970 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · BOX (unspecified)
3.73 DRW 14,000 lbs 6,630 lbs 21,500 lbs 13,660 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · BOX (unspecified)
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' RAMBOX
4.10 SRW 11,400 lbs 4,280 lbs 24,000 lbs 16,410 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · RamBox
3.73 SRW 11,400 lbs 4,280 lbs 21,500 lbs 13,910 lbs 8-Speed Auto 8HP75-LCV · BIG HORN/LONE STAR · RamBox
RAM 3500 4X4 REG CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 7,260 lbs 25,000 lbs 17,790 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
4.10 SRW 11,000 lbs 4,600 lbs 24,000 lbs 17,130 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 SRW 11,000 lbs 4,600 lbs 21,500 lbs 14,630 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 7,260 lbs 21,500 lbs 14,290 lbs 8-Speed Auto 8HP75-LCV · TRADESMAN · BOX (unspecified)
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
GUIDE FINE PRINT

Ground rules behind every 2020 Ram 3500 towing rating.

These guide rules define the payload, trailering hardware, and limits behind every 2020 Ram 3500 towing rating on this page.

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
NOTES: These ground rules apply to every published towing and payload rating. Your specific truck configuration may have additional constraints.
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Highest Capacity
6.7L I6 Cummins HO Turbo Diesel
Range: 23,000 - 35,100 lbs
Max rating 35,100 LBS
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Range: 19,500 - 22,670 lbs
Max rating 22,670 LBS
Cross-Year

This engine in other Ram 3500 years

Compare this engine across other Ram 3500 model years available here.

2019 6.4L V8 HEMI MDS
Range: 13,660 - 18,210 lbs
Max rating 18,210 LBS
Technical Audit

Data sources

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

Show source pages for the 6.4L V8 HEMI MDS page
DOC_ID: ram-3500 DOCUMENT BASIS

2020 Ram 3500 Towing Guide

Audit Scope PAGES: 1-8