Toyota K Transmission

{{unreferenced, date=April 2019
Toyota Motor Corporation's K family is a series of 4 and 5-speed light/medium-duty transmissions found in Toyota Corollas and Starlets.

K40

Oil capacity: 3.0 imp pints(1.7L)

Synchromesh on all Forward gears

Ratios:
* First Gear: 3.769:1
* Second Gear: 2.250:1
* Third Gear: 1.405:1
* Fourth Gear: 1.010:1
* Reverse Gear: 4.316:1
Applications:
* Most 4-speed RWD Starlets and Corollas with K-series engines
* KM20 series LiteAces that were fitted with K-series engines had a standard K40 fitted with a column shifter
*Toyota Racing Development** has produced a fourth gear closer to third in Ratio

K50/K51

Oil capacity:4.2 Imp pints(2.45L)

Synchromesh on all Forward Gears

Ratios (K50):
* First Gear: 3.789:1
* Second Gear: 2.220:1
* Third Gear: 1.435:1
* Fourth Gear: 1.000:1
* Fifth Gear: 0.865:1
* Reverse gear: 4.316:1

or (K51)

* First Gear: 3.789:1
* Second Gear: 2.124:1
* Third Gear: 1.323:1
* Fourth Gear: 1.000:1
* Fifth Gear: 0.865:1
* Reverse gear: 4.316:1

or

TRD GEAR SETS
TRD also sold a close ratio gear sets in the 70's and 80's (P/N 33030-KP601) for the K-50 with the following ratio:
* 1st: 2.695
* 2nd: 1.619
* 3rd: 1.235
* 4th: 1.000
* 5th: 0.892

Applications:
* Most 5-speed RWD Starlets and Corollas with K-series engines.
* 1986 Corolla with 3A-U and 4A-U engines.
* KM20 series LiteAces were fitted with K50 transmissions to 4K and 5K engines as an option, and to the 7K as standard.

See also

Toyota Transmissions
* Toyota K engine

K