Ram 3500 Big Horn tire size
The most common factory tire size for the Ram 3500 Big Horn is LT235/80R17, on 8 of the 16 year and trim fits listed. Each year below lists the sizes its trims were built with (2013 to 2016). Pick your year and trim to see the tires that fit.
Ram 3500 Big Horn tire sizes by year
20163 sizes · 6 trims
LT235/80R17load index 120/117, speed rating R
LT275/70R18load index 125/122, speed rating S
LT285/60R20load index 125/122, speed rating R
20153 sizes · 6 trims
LT235/80R17load index 120/117, speed rating R
LT275/70R18load index 125/122, speed rating S
LT285/60R20load index 125/122, speed rating R
20143 sizes · 6 trims
LT235/80R17load index 120/117, speed rating R
LT275/70R18load index 125/122, speed rating S
LT285/60R20load index 125/122, speed rating R
20133 sizes · 6 trims
LT235/80R17load index 120/117, speed rating R
LT275/70R18load index 125/122, speed rating S
LT285/60R20load index 125/122, speed rating R
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.