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