2018 Ram 2500 6.4L V8 HEMI towing capacity.

The published 2018 6.4L V8 HEMI towing rows surfaced here run from 10,050 - 16,320 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 2018 towing guide pages used for this engine page. Citations for 6.4L V8 HEMI available below.

2018 Ram 2500
6.4L V8 HEMI RANGE
10,050 - 16,320 LBS
PEAK PAYLOAD
4,490 LBS
MAX GCWR
22,800 LBS
TONGUE LOAD CONVENTIONAL / HD
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
Document-level towing policy
VIEW ALL GUIDE ASSUMPTIONS
GUIDE FINE PRINT

Calculation assumptions for the 2018 Ram 2500 guide.

These note blocks define the published payload, trailering hardware, and limit notes that govern every row in the supported 2018 Ram 2500 towing charts.

FIG. 2018 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. 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 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 LIMIT Commercial / Hitch Limits

Chassis-cab and receiver limits

  • Box-off completion: 80 lbs per foot from end of cab to end of frame.
  • Class V receiver max tongue: 1,800 lbs.
  • Heavy-trailer thresholds: this guide does not publish 5th-wheel / gooseneck trigger weights.
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 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
  • 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.6
  • Trailering Equipment Weight: 75 lb for Conventional Hitch, 70 lb for Gooseneck and 250 lb for 5th Wheel. 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
  • Maximum Capability p.6
NOTES: Guide-level assumptions apply to all published towing and payload values. Individual configurations may have additional row-level constraints.
Towing data

2018 6.4L V8 HEMI towing capacity by configuration

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

CREW CAB, LONG BOX, 4X2
4.10 10,000 lbs 3,480 lbs 22,800 lbs 15,810 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,480 lbs 19,800 lbs 12,810 lbs 6-Speed Auto 66RFE
CREW CAB, LONG BOX, 4X2 - BOX OFF
4.10 10,000 lbs 3,950 lbs 22,800 lbs 15,640 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,950 lbs 19,800 lbs 12,640 lbs 6-Speed Auto 66RFE
CREW CAB, LONG BOX, 4X4
4.10 10,000 lbs 3,140 lbs 22,800 lbs 15,470 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,140 lbs 19,800 lbs 12,470 lbs 6-Speed Auto 66RFE
CREW CAB, LONG BOX, 4X4 - BOX OFF
4.10 10,000 lbs 3,590 lbs 22,800 lbs 15,280 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,590 lbs 19,800 lbs 12,280 lbs 6-Speed Auto 66RFE
CREW CAB, SHORT BOX, 4X2
4.10 10,000 lbs 3,610 lbs 22,800 lbs 15,940 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,610 lbs 19,800 lbs 12,940 lbs 6-Speed Auto 66RFE
CREW CAB, SHORT BOX, 4X2 - BOX OFF
4.10 10,000 lbs 3,990 lbs 22,800 lbs 15,750 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,990 lbs 19,800 lbs 12,750 lbs 6-Speed Auto 66RFE
CREW CAB, SHORT BOX, 4X4
4.10 10,000 lbs 3,300 lbs 22,800 lbs 15,630 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,300 lbs 19,800 lbs 12,630 lbs 6-Speed Auto 66RFE
CREW CAB, SHORT BOX, 4X4 - BOX OFF
4.10 10,000 lbs 3,690 lbs 22,800 lbs 15,450 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,690 lbs 19,800 lbs 12,450 lbs 6-Speed Auto 66RFE
CREW CAB, SHORT BOX, 4X4, POWER WAGON
4.10 8,565 lbs 1,560 lbs 17,525 lbs 10,050 lbs 6-Speed Auto 66RFE · POWER WAGON
REG CAB, LONG BOX, 4X2
4.10 10,000 lbs 3,990 lbs 22,800 lbs 16,320 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,990 lbs 19,800 lbs 13,320 lbs 6-Speed Auto 66RFE
REG CAB, LONG BOX, 4X2 - BOX OFF
4.10 10,000 lbs 4,490 lbs 22,800 lbs 16,160 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 4,490 lbs 19,800 lbs 13,160 lbs 6-Speed Auto 66RFE
REG CAB, LONG BOX, 4X4
4.10 10,000 lbs 3,610 lbs 22,800 lbs 15,940 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 3,610 lbs 19,800 lbs 12,940 lbs 6-Speed Auto 66RFE
REG CAB, LONG BOX, 4X4 - BOX OFF
4.10 10,000 lbs 4,100 lbs 22,800 lbs 15,770 lbs 6-Speed Auto 66RFE
3.73 10,000 lbs 4,100 lbs 19,800 lbs 12,770 lbs 6-Speed Auto 66RFE
Compare

Other 2018 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 Cummins Diesel
Range: 15,920 - 17,980 lbs
Peak published max 17,980 LBS
5.7L V8 HEMI
Range: 11,010 - 13,880 lbs
Peak published max 13,880 LBS
5.7L V8 CNG
Range: 6,820 - 7,680 lbs
Peak published max 7,680 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.

2015 6.4L V8 HEMI
Range: 10,000 - 16,300 lbs
Peak published max 16,300 LBS
2016 6.4L V8 HEMI
Range: 10,030 - 16,320 lbs
Peak published max 16,320 LBS
2017 6.4L V8 HEMI
Range: 10,030 - 16,320 lbs
Peak published max 16,320 LBS
Technical Audit

Data sources

These citations show the Ram guide pages used to build the 2018 6.4L V8 HEMI engine page.

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

2018 Ram 2500 Towing Guide

Audit Scope PAGES: 1-3, 5-6