CVT Toyota K115

The Toyota K115 gearbox and all-wheel drive K115F have been produced at the company’s plant since 2015 and are installed only on Alphard minibuses with a 2.5 liter 2AR-FE power unit. This transmission is essentially a reinforced version of the well-known K114 – K114F gearbox.

This series includes: K110, K111, K112, K114, K115, K120.

Specifications

Production years since 2015
Type CVT (continuously variable transmission)
Number of gears
Type of drive front / all wheel
Engine volume, l up to 2.5
Torque output, Nm up to 235
Recommended oil Toyota CVT FLUID FE
Oil capacity, liter 9.0
Replacing the oil every 45,000 km
Replacing the filter every 45,000 km
Gearbox lifespan, km ~250 000

Gear ratios Toyota K115

Using the example of a Toyota Alphard 2016 with a 2.5 liter engine:

Forward 2.517 – 0.390
Reverse 1.751
Final Drive 5.791

The transmission was installed on:

  • Toyota Alphard 3 (AH30) since 2015.

Disadvantages of the Toyota K115 gearbox

  • Judging by the K114 analogue, the main problems are related to the short service life of the bearings.
  • It is advisable to change the oil and filter more often; service stations recommend once every 20,000 km.
  • Carefully monitor the cleanliness of the cooling system, this greatly affects the service life.
  • A number of cases of replacing a CVT K115 at a mileage of 30,000 km are described on specialized forums.

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