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Search 34,354 chart rows transcribed from manufacturer towing guides. See the engine, cab, axle, required equipment, and source together. These are published comparison ratings; your truck’s equipment and loaded weight still matter.

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2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · 6'4" · 4.10 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
17,160lb
GCWR
25,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Regular Cab · 8' · 4.10 axle

Equipment: RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 13, section 'RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
17,120lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · 6'4" · 4.10 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN 6'4"BOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 CREW CAB: TRADESMAN 6'4"BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
17,110lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · Box delete / box off · 4.10 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN W/O 8' BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 15, section 'RAM 3500 4X4 CREW CAB: TRADESMAN W/O 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
17,100lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · RamBox (length not specified in chart) · 4.10 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN W/ RAMBOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 CREW CAB: TRADESMAN W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,990lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · 8' · 4.10 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11100 lb

Page 11, section 'RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,940lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · 6'4" · 4.10 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN 6'4" BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 13, section 'RAM 3500 4X4 CREW CAB: TRADESMAN 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,780lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · RamBox (length not specified in chart) · 4.10 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN W/ RAMBOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 14, section 'RAM 3500 4X4 CREW CAB: TRADESMAN W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,670lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · 8' · 4.10 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 14, section 'RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,580lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · 6'4" · 4.10 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,470lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · RamBox (length not specified in chart) · 4.10 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR W/ RAMBOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 4.10

Conventional
16,410lb
GCWR
24,000 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Regular Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X2 REGULAR CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 9, section 'RAM 3500 4X2 REGULAR CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,970lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Regular Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X2 REGULAR CAB: TRADESMAN W/O BOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 REGULAR CAB: TRADESMAN W/O BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,850lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Regular Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X2 REGULAR CAB: TRADESMAN 8' BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 9, section 'RAM 3500 4X2 REGULAR CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,710lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Regular Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 13, section 'RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,620lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · 6'4" · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN 6'4"BOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 CREW CAB: TRADESMAN 6'4"BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,610lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · RamBox (length not specified in chart) · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN W/ RAMBOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 CREW CAB: TRADESMAN W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,490lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Regular Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X4 REGULAR CAB: TRADESMAN W/O BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 13, section 'RAM 3500 4X4 REGULAR CAB: TRADESMAN W/O BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,490lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN W/O 6'4" BOX; trans A8 8HP75; SRW

GVWR 10700 lb

Page 10, section 'RAM 3500 4X2 CREW CAB: TRADESMAN W/O 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,480lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11100 lb

Page 11, section 'RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,440lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN W/O 8' BOX; trans A8 8HP75; SRW

GVWR 11100 lb

Page 11, section 'RAM 3500 4X2 CREW CAB: TRADESMAN W/O 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,370lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · 6'4" · 3.73 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN 6'4" BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 13, section 'RAM 3500 4X4 CREW CAB: TRADESMAN 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,280lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Regular Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 13, section 'RAM 3500 4X4 REGULAR CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,260lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X4 CREWCAB: TRADESMAN W/O 6'4" BOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 14, section 'RAM 3500 4X4 CREWCAB: TRADESMAN W/O 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,180lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · RamBox (length not specified in chart) · 3.73 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN W/ RAMBOX; trans A8 8HP75; SRW

GVWR 11000 lb

Page 14, section 'RAM 3500 4X4 CREW CAB: TRADESMAN W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,170lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 2WD · Crew Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 11, section 'RAM 3500 4X2 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,080lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 14, section 'RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
14,080lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · 6'4" · 3.73 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
13,970lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · Box delete / box off · 3.73 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN W/O 8' BOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 15, section 'RAM 3500 4X4 CREW CAB: TRADESMAN W/O 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
13,960lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · RamBox (length not specified in chart) · 3.73 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR W/ RAMBOX; trans A8 8HP75; SRW

GVWR 11400 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR W/ RAMBOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
13,910lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Crew Cab · 8' · 3.73 axle

Equipment: RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 14, section 'RAM 3500 4X4 CREW CAB: TRADESMAN 8' BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
13,730lb
GCWR
21,500 lb

2021 · OEM chart

Ram 3500

6.4L V-8 HEMI · 4WD · Mega Cab · 6'4" · 3.73 axle

Equipment: RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX; trans A8 8HP75; DRW

GVWR 14000 lb

Page 12, section 'RAM 3500 4X4 MEGA CAB: BIG HORN / LONE STAR 6'4" BOX', row 6.4L V-8 HEMI A8 8HP75 axle 3.73

Conventional
13,660lb
GCWR
21,500 lb