The ZF CFT23 or Durashift CVT was produced at a plant in the USA from 2003 to 2010 and was installed only on the European version of the Ford Focus or a compact van based on it, the C-Max. This transmission was combined only with the 1.6-liter G8DA diesel engine.
CVT ZF: CFT23, CFT30.
Specifications
| Production years | 2003 – 2010 |
| Type | CVT (continuously variable transmission) |
| Number of gears | ∞ |
| Type of drive | front |
| Engine volume, l | only 1.6 TDCi |
| Torque output, Nm | up to 240 |
| Recommended oil | Ford ATF F-CVT |
| Oil capacity, liter | 8.9 |
| Replacing the oil | every 50,000 km |
| Replacing the filter | every 50,000 km |
| Gearbox lifespan, km | ~200 000 |
Gear ratios ZF CFT23
Using the example of a Ford C-Max 2005 with a 1.6 TDCi engine:
| Forward | 2.42 – 0.42 |
| Reverse | 2.52 |
| Final Drive | 4.33 |
The transmission was installed on:
- Ford C-Max 1 (C214) in 2003 – 2010;
- Ford Focus 2 (C307) in 2004 – 2010.
Disadvantages of the ZF CFT23 gearbox
- The reliability of this transmission is at an average level.
- Owners need to change the oil more often, because the gearbox cannot be repaired.
- The only thing you can buy and change are gaskets, filters and a Bosch belt.
