Skip to content

10.5 - Rear Axle

Type: Dana 44

Source: TJ Wrangler Rubicon

Locker: ARB RD116 Air Locker

Specifications

Specification Value
Type Dana 44
Source TJ Wrangler Rubicon
Width (WMS) Rubicon factory (58.5")
Spline Count 30
Locker ARB RD1163

Ring & Pinion

Specification Value
Ratio 5.131
Manufacturer Revolution Gear & Axle1

Differential

Specification Value
Locker ARB RD116 Air Locker
Control SwitchPros Button 10

Axle Shafts

Specification Value
Manufacturer Ten Factory2
Part Number MG221352
Type 4140 chromoly
Spline Count 30

  1. 5.13:1 ring & pinion, Revolution Gear & Axle — seller-confirmed 2026-05-31. Re-geared from the factory 4.10 (TJ Rubicon). Supersedes the earlier 4.56 owner estimate. 

  2. Ten Factory rear axle shaft kit, P/N MG22135 — Dana 44 30-spline, '04–'06 TJ/LJ Rubicon. 4140 chromoly, black-oxide; kit includes shafts, bearings, seals, and wheel studs. Seller-confirmed 2026-05-31 (seller's "Factor10" = Ten Factory). 

  3. ARB RD116 — Air Locker for 30-spline Dana 44, 3.92:1 & numerically higher. store.arbusa.com, accessed 2026-05-31. Same part fits front and rear; the 5.13 ratio confirms RD116 (the 3.73-&-lower RD117 does not apply).