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A650E Transmission parts, repair guidelines, problems, manuals

Dec 15, 2025 Transmissions info

Transmission general data

The 5-speed automatic transmission А650Е with the langitudinal positioning has been installed since 1998 on RWD Lexus (as AW 35-51LS) and for some period of time on 4WD cars such as Land Cruisers and Hilux. This robust automatic transmission had been installed on the RWD and right-handed Toyota produced from 1998 until 2007. The А650Е unit replaced the first 5-speed transmission А350 which was the updated version of 340-series.

Number of gearsTransmission TypeDriveTorque (Nm)ATF (full capacity) LATF (change) LATF type
5ATRWD/4WD4308,93,8Toyota Type T-IV

Technical issues and repair guidelines

The А650Е unit is a rare “guest” in repair shops. Partly this is due to the fact that this transmission was so-called “pioneer” used for testing new technologies of linear solenoids, increased temperatures and slipping of the torque converter lockup, and partly because all Aisin products with longitudinal positioning are traditionally quite durable. Many units and spare parts from А340 can be used in the А650Е modification.


It is a very rare case when all gaskets and seals from the overhaul kit and friction components in 2nd Brake package are changed in the dry-operating А650Е transmission.Occasionally, long-time operation of the transmission with a leaking seal leads to necessity of the pump and pump bushing replacement. This problem is caused by the wear-out of the torque converter friction, where spare parts are untimely replaced. This automatic transmission was replaced by 5-6-speed А750Е and А761Е.

Which cars run with this gearbox?

BrandModelYearTypeEngine
LEXUSGS98-055 SP RWDV6 3.0L V8 4.0L 4.3L
LEXUSIS00-055 SP RWDV6 3.0L
LEXUSLS98-035 SP RWDV8 4.0L 4.3L
LEXUSSC98-055 SP RWDV8 4.0L 4.3L
ToyotaALTEZZA/ALTEZZA GITA00-055 SP R/4WDL4 2.0L V6 2.5L 3.0L
ToyotaARISTO00-045 SP RWDV6 3.0L V8 4.3L
ToyotaBREVIS01-075 SP RWDV6 2.5L 3.0L
ToyotaCELSIOR00-035 SP RWDV8 4.3L
ToyotaCENTURY97-165 SP RWDV12 5.0L
ToyotaCENTURY00-045 SP RWDV12 5.0L
ToyotaCHASER00-015 SP RWDV6 2.5L
ToyotaCRESTA00-015 SP RWDV6 2.5L
ToyotaHILUX00-055 SP R/4WDV6 3.4L
ToyotaLAND CRUISER00-025 SP 4WDV6 3.4L
ToyotaMARK II00-045 SP RWDL4 2.0L 2.2L V6 2.5L
ToyotaPROGRES01-075 SP RWDV6 2.5L 3.0L
ToyotaSOARER01-055 SP RWDV8 4.3L
ToyotaSUPRA25 SP RWDV6 3.0L
ToyotaVEROSSA01-045 SP RWDV6 2.0L 2.5L
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