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W56-A, -B, C? D...?

These letters are not used by Toyota, so where did they come from? Back in the mid 90s Marlin realized he needed a better way to distinguish between the many different W56 transmissions Toyota used from 1985-95. After having compiled the world's first and only RF1A Transfer Case Bible, Marlin created the now highly popular letter designations for the W56 transmission. The rest as they say is history!

Toyota Transmission Application Table

L431979-80 (20R)L451981-82 (22R)
L501981-82 (22R)L521983 (22R)
G528/1983-5/85 (22R)G546/1985-88 (22R)
G581989-95 (22R-E)  
W56-A1985 (22R-E)W56-B1986-88 (22R-E)
W56-C1989-91 (22R-E)W56-D1992 (22R-E)
W56-E1993-95 (22R-E)W591995-05 (2/3RZ-FE)
R151F1986-87 (22R-TE)R150F1988-95 (3VZ-E)
R150F1995-05 (5VZ-FE)R1541986-1993 (7M-GTE)
RA60F2005-15 (1GR-FE)RA61F2006-14 (1GR-FE)
RC62F2016-23 (2GR-FKS)  

Input Bearing Identification Chart

TransmissionInput Bearing Number
L45 & L5063/32N, 032-2
L52B32-14UR, 32BC08S1N
G52B32-14UR, 32BC08S1N
G54 & G5832TM03NX, 32BCS4-2NSLN,
W56-A, B & C6307-N, HR6307-N
W56-D & W5935TM11UR, 35TM11NX1
R150 & R151DG4092, 4OTM05, 040-1,

Transmission Gear Ratio Chart

Click here to view our Transmission Gear Ratio Chart!

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