2020 Ram 3500 6.7L I6 Cummins HO Turbo Diesel towing capacity.

The 2020 6.7L I6 Cummins HO Turbo Diesel tows 23,000 - 35,100 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 6.7L I6 Cummins HO Turbo Diesel 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 6.7L I6 Cummins HO Turbo Diesel are available below.

2020 Ram 3500
6.7L I6 Cummins HO Turbo Diesel RANGE
23,000 - 35,100 LBS
PEAK PAYLOAD
6,570 LBS
MAX GCWR
43,000 LBS
Towing data

2020 6.7L I6 Cummins HO Turbo Diesel 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
3.73 SRW 11,500 lbs 4,100 lbs 32,240 lbs 24,180 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
RAM 3500 4X2 CREW CAB TRADESMAN 6.4' RAMBOX
3.73 SRW 11,500 lbs 3,950 lbs 32,240 lbs 23,210 lbs 6-Speed Auto Aisin HD · TRADESMAN · RamBox
RAM 3500 4X2 CREW CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 5,950 lbs 43,000 lbs 34,480 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 5,950 lbs 41,600 lbs 33,080 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 SRW 12,000 lbs 4,450 lbs 33,670 lbs 25,580 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
RAM 3500 4X2 REG CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 6,570 lbs 43,000 lbs 35,100 lbs Chart max 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 6,570 lbs 41,600 lbs 33,700 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 SRW 11,500 lbs 4,500 lbs 34,630 lbs 26,860 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' BOX
3.73 SRW 11,800 lbs 4,020 lbs 32,580 lbs 23,660 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 CREW CAB TRADESMAN 6.4' RAMBOX
3.73 SRW 11,800 lbs 3,880 lbs 32,580 lbs 23,000 lbs 6-Speed Auto Aisin HD · TRADESMAN · RamBox
RAM 3500 4X4 CREW CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 5,590 lbs 43,000 lbs 34,110 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 5,590 lbs 41,600 lbs 32,720 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 SRW 12,300 lbs 4,320 lbs 33,610 lbs 25,090 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' BOX
4.10 DRW 14,000 lbs 5,400 lbs 43,000 lbs 32,880 lbs 6-Speed Auto Aisin HD · BIG HORN/LONE STAR · BOX (unspecified)
3.73 DRW 14,000 lbs 5,400 lbs 41,600 lbs 32,530 lbs 6-Speed Auto Aisin HD · BIG HORN/LONE STAR · BOX (unspecified)
3.73 SRW 12,300 lbs 4,150 lbs 32,710 lbs 24,090 lbs 6-Speed Auto Aisin HD · BIG HORN/LONE STAR · BOX (unspecified)
RAM 3500 4X4 MEGA CAB BIG HORN/LONE STAR 6.4' RAMBOX
3.73 SRW 12,300 lbs 3,990 lbs 32,710 lbs 23,320 lbs 6-Speed Auto Aisin HD · BIG HORN/LONE STAR · RamBox
RAM 3500 4X4 REG CAB TRADESMAN 8.0' BOX
4.10 DRW 14,000 lbs 6,130 lbs 43,000 lbs 34,660 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 DRW 14,000 lbs 6,130 lbs 41,600 lbs 33,260 lbs 6-Speed Auto Aisin HD · TRADESMAN · BOX (unspecified)
3.73 SRW 11,800 lbs 4,380 lbs 34,540 lbs 26,050 lbs 6-Speed Auto Aisin HD · 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.
Compare

Other 2020 engines

Compare other engines in the same 2020 Ram 3500 guide.

Highest Capacity
6.7L I6 Cummins Turbo Diesel
Range: 19,500 - 22,670 lbs
Max rating 22,670 LBS
6.4L V8 HEMI MDS
Range: 13,660 - 18,210 lbs
Max rating 18,210 LBS
Cross-Year

This engine in other Ram 3500 years

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

2019 6.7L I6 Cummins HO Turbo Diesel
Range: 23,280 - 35,100 lbs
Max rating 35,100 LBS
Technical Audit

Data sources

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

Show source pages for the 6.7L I6 Cummins HO Turbo Diesel page
DOC_ID: ram-3500 DOCUMENT BASIS

2020 Ram 3500 Towing Guide

Audit Scope PAGES: 1-8