2018 Ram 3500 6.7L Cummins Diesel towing capacity.

The 2018 6.7L Cummins Diesel tows 15,400 - 22,550 lbs across published configurations, depending on cab, drivetrain, axle ratio, wheel class, GVWR, GCWR, and box configuration.

Find your towing capacity Look up your 2018 6.7L Cummins Diesel configuration View full comparison chart Compare all 2018 Ram 3500 configurations Open year guide Return to the 2018 Ram 3500 overview

Built from the official Ram 2018 towing guide pages used for this engine page. Citations for 6.7L Cummins Diesel are available below.

2018 Ram 3500
6.7L Cummins Diesel RANGE
15,400 - 22,550 LBS
PEAK PAYLOAD
6,720 LBS
MAX GCWR
30,300 LBS
Towing data

2018 6.7L Cummins Diesel towing capacity by configuration

Each row below is one published configuration from the 2018 Ram 3500 towing guide, showing towing capacity, payload, GVWR, GCWR, axle ratio, and wheel class.

CREW CAB LONG BOX, 4X2, DRW
4.10 DRW 14,000 lbs 6,170 lbs 30,300 lbs 22,000 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,170 lbs 27,300 lbs 19,000 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,130 lbs 26,300 lbs 17,960 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 6,170 lbs 25,300 lbs 17,000 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 6,130 lbs 24,300 lbs 15,960 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB LONG BOX, 4X2, SRW
3.42 SRW 12,000 lbs 4,520 lbs 25,300 lbs 17,350 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,000 lbs 4,470 lbs 24,300 lbs 16,300 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB LONG BOX, 4X4, DRW
4.10 DRW 14,000 lbs 5,830 lbs 30,300 lbs 21,660 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,830 lbs 27,300 lbs 18,660 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,790 lbs 26,300 lbs 17,620 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 5,830 lbs 25,300 lbs 16,660 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 5,790 lbs 24,300 lbs 15,620 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB LONG BOX, 4X4, SRW
3.42 SRW 12,300 lbs 4,460 lbs 25,300 lbs 16,990 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,300 lbs 4,420 lbs 24,300 lbs 15,950 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB SHORT BOX, 4X2, SRW
3.42 SRW 11,500 lbs 4,150 lbs 25,300 lbs 17,480 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,500 lbs 4,100 lbs 24,300 lbs 16,430 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB SHORT BOX, 4X4, SRW
3.42 SRW 11,700 lbs 3,930 lbs 25,300 lbs 17,060 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,700 lbs 3,880 lbs 24,300 lbs 16,010 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X2, DRW
4.10 DRW 14,000 lbs 5,920 lbs 30,300 lbs 21,750 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,920 lbs 27,300 lbs 18,750 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,880 lbs 26,300 lbs 17,710 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 5,920 lbs 25,300 lbs 16,750 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 5,880 lbs 24,300 lbs 15,710 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X2, SRW
3.42 SRW 11,600 lbs 3,910 lbs 25,300 lbs 17,140 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,600 lbs 3,870 lbs 24,300 lbs 16,100 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X4, DRW
4.10 DRW 14,000 lbs 5,610 lbs 30,300 lbs 21,440 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,610 lbs 27,300 lbs 18,440 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,570 lbs 26,300 lbs 17,400 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 5,610 lbs 25,300 lbs 16,440 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 5,570 lbs 24,300 lbs 15,400 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X4, SRW
3.42 SRW 12,300 lbs 4,220 lbs 25,300 lbs 16,750 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,300 lbs 4,180 lbs 24,300 lbs 15,710 lbs 6-Speed Manual G56 · BOX (unspecified)
REGULAR CAB, 4X2, DRW
4.10 DRW 14,000 lbs 6,720 lbs 30,300 lbs 22,550 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,720 lbs 27,300 lbs 19,550 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,680 lbs 26,300 lbs 18,510 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 6,720 lbs 25,300 lbs 17,550 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 6,680 lbs 24,300 lbs 16,510 lbs 6-Speed Manual G56 · BOX (unspecified)
REGULAR CAB, 4X2, SRW
3.42 SRW 11,100 lbs 4,180 lbs 25,300 lbs 17,910 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,100 lbs 4,140 lbs 24,300 lbs 16,870 lbs 6-Speed Manual G56 · BOX (unspecified)
REGULAR CAB, 4X4, DRW
4.10 DRW 14,000 lbs 6,350 lbs 30,300 lbs 22,180 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,350 lbs 27,300 lbs 19,180 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 6,300 lbs 26,300 lbs 18,130 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 6,350 lbs 25,300 lbs 17,180 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 6,300 lbs 24,300 lbs 16,130 lbs 6-Speed Manual G56 · BOX (unspecified)
REGULAR CAB, 4X4, SRW
3.42 SRW 11,500 lbs 4,210 lbs 25,300 lbs 17,540 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,500 lbs 4,170 lbs 24,300 lbs 16,500 lbs 6-Speed Manual G56 · 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
RECEIVER LIMIT CLASS V MAX TONGUE
1,800 LBS
Published receiver-hitch cap for this guide
RATING METHOD STANDARD
SAE J2807
Industry tow-rating standard
VIEW ALL FINE PRINT
GUIDE FINE PRINT

Ground rules behind every 2018 Ram 3500 towing rating.

These guide rules define the payload, trailering hardware, and limits behind every 2018 Ram 3500 towing rating on this page.

FIG. 2018 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. 2018 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. 2018 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. 2018 LIMIT Commercial / Hitch Limits

Chassis-cab and receiver limits

  • Body-completion weight: 80 lbs per foot from end of cab to end of frame.
  • Class V receiver max tongue: 1,800 lbs.
  • Heavy-trailer thresholds: see the published guide notes for the threshold language in this legacy guide.
FIG. 2018 STD Rating Standard

SAE J2807 compliance

  • Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807.
FIG. 2018 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. 2018 NOTES Policy Notes

All published notes from the 2018 towing guide

  • Payload and Max Trailer Weights are ESTIMATED values. p.6
  • All values are shown in pounds unless otherwise stated. p.6
  • Payload and Max Trailer Weight values are rounded to the nearest 10lb. p.6
  • Payload = GVWR - Base Weight p.6
  • Payload and Trailer Weight Rating are mutually exclusive. p.6
  • GAWRs, GVWRs and GCWRs should never be exceeded. p.6
  • Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807. p.6
  • Passenger Weight = 300 lb p.6
  • Options Weight = 100 lb p.6
  • Trailering Equipment Weight: 75 lb for Conventional Hitch, 70 lb for Gooseneck and 250 lb for 5th Wheel. p.6
  • 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.6
  • 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.6
  • Box Off Body Completion Weight = 80 lb per foot from end of cab to end of frame. p.6
  • The maximum tongue weight for Class V (receiver hitch) is limited to 1,800 lb. p.6
  • A fifth-wheel or gooseneck hitch is required for trailers over 20,000 lb. p.6
  • Maximum Capability p.6
NOTES: These ground rules apply to every published towing and payload rating. Your specific truck configuration may have additional constraints.
Compare

Other 2018 engines

Compare other engines in the same 2018 Ram 3500 guide.

Highest Capacity
6.7L Cummins HO Diesel
Range: 16,600 - 31,210 lbs
Max rating 31,210 LBS
6.4L V8 HEMI
Range: 11,970 - 16,480 lbs
Max rating 16,480 LBS
5.7L V8 HEMI
Range: 10,830 - 13,910 lbs
Max rating 13,910 LBS
Cross-Year

This engine in other Ram 3500 years

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

2015 6.7L Cummins Diesel
Range: 15,420 - 22,550 lbs
Max rating 22,550 LBS
2016 6.7L Cummins Diesel
Range: 15,420 - 22,550 lbs
Max rating 22,550 LBS
2017 6.7L Cummins Diesel
Range: 15,400 - 22,550 lbs
Max rating 22,550 LBS
Technical Audit

Data sources

These citations show the Ram guide pages used to build the 2018 6.7L Cummins Diesel engine page and guide-rule notes.

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

2018 Ram 3500 Towing Guide

Audit Scope PAGES: 1-7