Ram 3500 SLT tire size

The most common factory tire size for the Ram 3500 SLT is LT275/70R18, on 20 of the 28 year and trim fits listed. The table lists every year from 2013 to 2016 and the size each trim was built with. Pick your year and trim to see the tires that fit.

Ram 3500 SLT tire sizes by year

Factory tire sizes of the Ram 3500 SLT by year and trim
Year	Factory tire size	Trims
2016	LT235/80R17load index 120/117, speed rating R	4x2 (DRW), 4x4 (DRW)
	LT275/70R18load index 125/122, speed rating S	4x2, 4x4
	LT285/60R20load index 125/122, speed rating R	4x2, 4x4
2015	LT275/70R18load index 125/122, speed rating S	4x2 Crew Cab, 4x2 Mega Cab, 4x2 Reg. Cab, 4x4 Crew Cab, 4x4 Mega Cab, 4x4 Reg. Cab
	LT285/60R20load index 125/122, speed rating R	4x2 Crew Cab, 4x2 Mega Cab, 4x4 Crew Cab, 4x4 Mega Cab
	LT235/80R17load index 120/117, speed rating R	4x2 (DRW), 4x4 (DRW)
2014	LT275/70R18load index 125/122, speed rating S	4x2 Crew Cab, 4x2 Mega Cab, 4x2 Reg. Cab, 4x4 Crew Cab, 4x4 Mega Cab, 4x4 Reg. Cab
	LT285/60R20load index 125/122, speed rating R	4x2 Crew Cab, 4x2 Mega Cab, 4x4 Crew Cab, 4x4 Mega Cab
	LT235/80R17load index 120/117, speed rating R	4x2 (DRW), 4x4 (DRW)
2013	LT275/70R18load index 125/122, speed rating S	4x2 Crew Cab, 4x2 Mega Cab, 4x2 Reg. Cab, 4x4 Crew Cab, 4x4 Mega Cab, 4x4 Reg. Cab
	LT285/60R20load index 125/122, speed rating R	4x2 Crew Cab, 4x2 Mega Cab, 4x4 Crew Cab, 4x4 Mega Cab
	LT235/80R17load index 120/117, speed rating R	4x2 (DRW), 4x4 (DRW)

Check your own tire

A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.

How to read your tire size Other Ram models