1978 Jeep Wagoneer tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 6x139.7 on every 1978 trim.

Tires for the 1978 Jeep Wagoneer

Sizes most trims come with first. Open your trim below for its exact size.

  1. 225/75R15 Best-rated standard on 2 trims
  2. 235/75R15 Best-rated optional on 2 trims

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Trims sold in 1978
2
Generation
I (SJ)

2 trims sold in 1978

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Jeep Wagoneer I (SJ)

1978–1983 USA 2 trims
Wagoneer 360 cid (Closed Off-Road Vehicle, 5d) +1 variant 160 hp · 5.9 L V8 Petrol 5.9 L V8 225/75SR15 5 fitments

Same tires and wheels on: 401 cid (Closed Off-Road Vehicle, 5d)

Generation
SJ · 1978–1983
Market
USA
Power
160 hp
Engine
5.9 L V8 Petrol 5.9 L V8, Petrol
Center bore
89.1 mm
Bolt pattern
6x139.7
FitTire sizeRim size and bolt patternPressure, psi
OE225/75SR15Rim 15x6 ET10 6x139.7–
Alt235/75SR15Rim 15x6 ET10 6x139.7–
Alt225/75SR15Rim 15x7 ET0 6x139.7–
Alt235/75SR15Rim 15x7 ET0 6x139.7–
Alt235/75SR15Rim 15x8 ET-10 6x139.7–
What these columns mean
OE fitment
The package fitted at the factory for that trim.
Alternative
A size the car accepts without modification — plus-sizing, winter setups or optional wheels.
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1978
2
Generation
I (SJ)
Other years
All years (1978–2025)

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