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LR Partshop LT230 Transfer Case Ratio Calculator
The LT230 Transfer Case is deemed by many to be one of the best Land Rover transfer cases made. It has stood the test of time and survived many applications. Here, we have created a table to help you work out what high range ratio your transfer case has, based off of the prefix of the serial number of your current unit. All LT230 transfer cases share the same 3.2:1 low range ratio.
Prefix: | Ratio (High Range): | Factory Application: |
12D | 1.667 | 2.5 N/A 110 |
13D | 1.410 | 2.5 N/A 90 |
14D | 1.003 | RRC 3 speed auto |
15D | 1.192 | RRC Early V8 |
20D | 1.667 | 2.5 N/A 110 |
22D | 1.410 | Def TD/TDi |
25D | 1.410 | Def 110 V8 |
26D | 1.003 | RRC 3 speed auto |
27D | 1.192 | Def V8 90 |
28D | 1.222 | RRC |
29D | 1.222 | Def V8 90 |
32D | 1.222 | Def V8 90 |
34D | 1.410 | D1 2.0 MPI |
36D | 1.211 | Late D1 300 TDiV8 |
40D | 1.211 | Def V8 90 NAS |
41D | 1.211 | D2 |
42D | 1.211 | D2 |
43D | 1.410 | Def TD5 |
57D | 1.410 | Def TD5 |
61D | 1.211 | D2 |
62D | 1.211 | D2 |
68D | 1.211 | D2 |
69D | 1.211 | D2 |
70D | 1.211 | D2 |
81D | 1.211 | Def 2.4 TDCi |
