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Platform Regear Charts

Verified factory data — transmissions, transfer cases, axle ratios and published crawl ratios — for the platforms people actually regear. No forum folklore: every number traces to a manufacturer spec (sources on each page).

Jeep Wrangler JL
2018-2026 · 6 factory presets · 3 transmissions · ratios 3.45–4.88 factory.
Open regear chart →
Jeep Gladiator JT
2020-2026 · 5 factory presets · 3 transmissions · ratios 3.73–4.10 factory.
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Jeep Wrangler JK
2007-2018 · 3 factory presets · 3 transmissions · ratios 3.21–4.10 factory.
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Jeep Wrangler TJ
1997-2006 · 3 factory presets · 5 transmissions · ratios 3.07–4.10 factory.
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Jeep Cherokee XJ
1984-2001 · 3 factory presets · 2 transmissions · ratios 3.07–4.10 factory.
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Toyota Tacoma (3rd gen)
2016-2023 · 3 factory presets · 2 transmissions · ratios 3.91–4.30 factory.
Open regear chart →
Toyota Tacoma (2nd gen)
2005-2015 · 3 factory presets · 2 transmissions · ratios 3.73–4.10 factory.
Open regear chart →
Toyota 4Runner (5th gen)
2010-2024 · 3 factory presets · 1 transmissions · ratios 3.73–3.73 factory.
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Ford Bronco (6th gen)
2021-2026 · 4 factory presets · 2 transmissions · ratios 3.73–4.70 factory.
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Ford Bronco / F-Series (classic)
1966-1996 · 3 factory presets · 3 transmissions · ratios 3.00–4.11 factory.
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GM K5 Blazer / K-Trucks
1973-1991 · 3 factory presets · 4 transmissions · ratios 3.08–4.10 factory.
Open regear chart →

Or start from the universal table: gear ratio vs tire size — the restore-stock multiplier chart.