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.





