Skip to content

2015 Ram 3500 6.7L Cummins Diesel towing capacity.

The 2015 6.7L Cummins Diesel tows 15,420 - 22,550 lbs across published configurations, depending on cab, drivetrain, axle ratio, wheel class, GVWR, GCWR, and box configuration.

Built from the official Ram 2015 towing guide pages used for this engine page. Citations for 6.7L Cummins Diesel are available below.

2015 Ram 3500
Towing data

2015 6.7L Cummins Diesel towing capacity by configuration

Each row below is one published configuration from the 2015 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 4,530 lbs 25,300 lbs 17,360 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,000 lbs 4,490 lbs 24,300 lbs 16,320 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 5,780 lbs 26,300 lbs 17,610 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 5,780 lbs 24,300 lbs 15,610 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB LONG BOX, 4X4, SRW
3.42 SRW 12,300 lbs 4,480 lbs 25,300 lbs 17,010 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,300 lbs 4,430 lbs 24,300 lbs 15,960 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB SHORT BOX, 4X2, SRW
3.42 SRW 11,500 lbs 4,160 lbs 25,300 lbs 17,490 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,500 lbs 4,120 lbs 24,300 lbs 16,450 lbs 6-Speed Manual G56 · BOX (unspecified)
CREW CAB SHORT BOX, 4X4, SRW
3.42 SRW 11,700 lbs 4,070 lbs 25,300 lbs 17,200 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,700 lbs 4,030 lbs 24,300 lbs 16,160 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X2, DRW
4.10 DRW 14,000 lbs 5,940 lbs 30,300 lbs 21,770 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,940 lbs 27,300 lbs 18,770 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,890 lbs 26,300 lbs 17,720 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 5,940 lbs 25,300 lbs 16,770 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 5,890 lbs 24,300 lbs 15,720 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X2, SRW
3.42 SRW 11,600 lbs 3,930 lbs 25,300 lbs 17,160 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,600 lbs 3,890 lbs 24,300 lbs 16,120 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X4, DRW
4.10 DRW 14,000 lbs 5,630 lbs 30,300 lbs 21,460 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,630 lbs 27,300 lbs 18,460 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.73 DRW 14,000 lbs 5,590 lbs 26,300 lbs 17,420 lbs 6-Speed Manual G56 · BOX (unspecified)
3.42 DRW 14,000 lbs 5,630 lbs 25,300 lbs 16,460 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 DRW 14,000 lbs 5,590 lbs 24,300 lbs 15,420 lbs 6-Speed Manual G56 · BOX (unspecified)
MEGA CAB, 4X4, SRW
3.42 SRW 12,300 lbs 4,270 lbs 25,300 lbs 16,800 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 12,300 lbs 4,230 lbs 24,300 lbs 15,760 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 4,230 lbs 25,300 lbs 17,560 lbs 6-Speed Auto 68RFE · BOX (unspecified)
3.42 SRW 11,500 lbs 4,190 lbs 24,300 lbs 16,520 lbs 6-Speed Manual G56 · BOX (unspecified)
TONGUE LOAD CONV / 5TH-WHEEL
10% / N/A%
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 PARTIAL GUIDE NOTES
GUIDE FINE PRINT

Ground rules behind every 2015 Ram 3500 towing rating.

This 2015 Ram 3500 guide lists a limited set of assumptions, warnings, and limits. This page only shows the rules the guide states directly.

FIG. 2015 SCOPE Published Scope

What this guide actually publishes

  • Coverage: 14 published notes on the published policy pages.
  • Included: published payload method, warnings, rating standard, and any load or hitch limits stated directly by the guide.
  • Not inferred: missing heavy-trailer assumptions stay absent when the guide does not publish them.
FIG. 2015 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.
FIG. 2015 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. 2015 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. 2015 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. 2015 STD Rating Standard

SAE J2807 compliance

  • Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807.
FIG. 2015 WARN Warnings

Manufacturer safety warnings

  • GAWRs, GVWRs and GCWRs should never be exceeded.
  • For gooseneck and fifth wheel trailers, the tongue weight should never exceed any of the manufacturer recommendations including but not limited to payload and GAWR.
  • Payload and Trailer Weight Rating are mutually exclusive.
FIG. 2015 NOTES Policy Notes

All published notes from the 2015 towing guide

  • Payload and Max Trailer Weights are ESTIMATED values. p.1
  • All values are shown in pounds unless otherwise stated. p.1
  • Payload and Max Trailer Weight values are rounded to the nearest 10lb. p.1
  • Payload = GVWR - Base Weight p.1
  • Trailer Weight Rating and Tow Vehicle Trailering Weight are calculated as specified in SAE J2807. p.1
  • Passenger Weight = 300 lb p.1
  • Options Weight = 100 lb p.1
  • Trailering Equipment Weight: 75 lb for Conventional Hitch, 70 lb for Gooseneck and 250 lb for 5th Wheel. p.1
  • Box Off Body Completion Weight = 80 lb per foot from end of cab to end of frame. p.1
  • Payload and Trailer Weight Rating are mutually exclusive. p.1
  • GAWRs, GVWRs and GCWRs should never be exceeded. p.1
  • The recommended tongue weight for a conventional hitch is 10 percent of the gross trailer weight. The maximum tongue weight for Class V (receiver hitch) is limited to 1800lb. p.1
  • For gooseneck and fifth wheel trailers, the tongue weight should never exceed any of the manufacturer recommendations including but not limited to payload and GAWR. p.1
  • A fifth-wheel or gooseneck hitch is required for trailers over 18,000 lb. A gooseneck hitch is required for trailers over 25,000 lb. p.1
Compare

Other 2015 engines

Compare other engines in the same 2015 Ram 3500 guide.

Cross-Year

This engine in other Ram 3500 years

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

Technical Audit

Data sources

These citations show the Ram guide pages used to build the 2015 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

2015 Ram 3500 Towing Guide

Audit Scope PAGES: 1-7