Holden Jackaroo Generations Overview
UBS Jackaroo (1981–1991)
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Tyre Sizes:
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195R15
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205/75R15
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Rim Sizes:
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15x6J
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PCD: 6x139.7
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Offset: ET25 to ET30
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Centre Bore: 100.3 mm
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Wheel Nut Torque: 90–100 Nm
UBS II Jackaroo (1992–1998)
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Tyre Sizes:
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235/75R15
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245/70R16
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Rim Sizes:
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15x7J
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16x7J
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PCD: 6x139.7
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Offset: ET25 to ET33
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Centre Bore: 100.3 mm
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Wheel Nut Torque: 100–110 Nm
U8 Jackaroo (1998–2004)
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Tyre Sizes:
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245/70R16
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255/65R16
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Rim Sizes:
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16x7J
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PCD: 6x139.7
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Offset: ET30 to ET33
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Centre Bore: 100.3 mm
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Wheel Nut Torque: 110–120 Nm
Key Technical Summary
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PCD: 6x139.7 (standard across all Jackaroo models)
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Centre Bore (CB): 100.3 mm
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Offset Range: ET25 → ET33
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Wheel Nut Torque: 90 Nm → 120 Nm
Common Upgrade Tyre Sizes (Australia)
Popular off-road and touring upgrades:
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265/70R16 (most common all-terrain upgrade)
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265/75R16 (touring and off-road use)
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285/75R16 (serious off-road setup, requires lift)
Always confirm clearance, load rating, and legal compliance.
Recommended Tyres for Holden Jackaroo
At Autosport Tyre World, we commonly recommend:
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Highway Terrain / Touring
https://autostw.com.au/search?type=product&q=Continental+CrossContact -
All Terrain
https://autostw.com.au/search?type=product&q=Hankook+Dynapro+RF12 -
Off-Road / Heavy Duty
https://autostw.com.au/search?type=product&q=Nitto+Grappler
Why Correct Fitment Matters
Correct tyre and wheel fitment ensures:
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Safe load handling for long-distance touring
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Proper off-road clearance and durability
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Reduced vibration via correct centre bore matching
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Even tyre wear and improved lifespan
Incorrect fitment can result in rubbing, poor handling, and increased wear on suspension components.
Visit Autosport Tyre World
Professional fitting, balancing, and expert advice available at:
Magill
647 Magill Road, Magill SA 5072
0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
0420 299 911