2015 Ram Chassis cab Wheel & Tire Sizes
Complete fitment guide for the 2015 Ram Chassis cab: factory tire sizes, compatible wheel diameters, widths and offsets, and the 8x275 bolt pattern, for every trim.
Bolt Pattern
8x275
Centre Bore
221 mm
Lug nuts
9/16" - 18 UNF
Wheel Diameters
17.5"–19.5"
Factory (OEM) Tire Sizes for the 2015 Ram Chassis cab
Click any size to shop tires in stock now, free shipping anywhere in Canada, optional installation at our 5 GTA locations.
2015 Ram Chassis cab Wheel Fitment by Trim
Compatible wheel diameter, width and offset ranges for each 2015 Ram Chassis cab configuration.
5.7 HEMI · Pickup
5.7L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17.5–19.5" |
| Wheel width | 6–6.8" |
| Wheel offset | 127–142 mm |
| Tire width | 225–245 mm |
6.4 HEMI · Pickup
6.4L · V8 · Petrol
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17.5–19.5" |
| Wheel width | 6–6.8" |
| Wheel offset | 127–142 mm |
| Tire width | 225–245 mm |
6.7 Cummins · Pickup
6.7L · I6 · Diesel
| Spec | Front & Rear |
|---|---|
| Wheel diameter | 17.5–19.5" |
| Wheel width | 6–6.8" |
| Wheel offset | 127–142 mm |
| Tire width | 225–245 mm |
2015 Ram Chassis cab Fitment FAQ
What is the bolt pattern on a 2015 Ram Chassis cab?
The 2015 Ram Chassis cab uses a 8x275 bolt pattern (8 lug nuts on a 275 mm circle) with a 221 mm centre bore.
What size tires fit a 2015 Ram Chassis cab?
Factory (OEM) tire sizes for the 2015 Ram Chassis cab include LT225/80R17.5, LT225/70R19.5, 245/70R19.5, LT245/70R19.5. Always confirm against the placard inside the driver's door jamb.
What wheel sizes can I put on a 2015 Ram Chassis cab?
Depending on trim, the 2015 Ram Chassis cab accepts wheels from 17.5" up to 19.5" in diameter with the correct width and offset, larger diameters typically require lower-profile tires to keep the overall rolling diameter stock.
What lug nut size does a 2015 Ram Chassis cab use?
The 2015 Ram Chassis cab uses 9/16" - 18 UNF lug nuts.
Fitment data is provided as a guide. Always verify sizes against your vehicle's door-jamb placard or with our fitment experts before ordering.