MINI COOPERS
The manual transmission and final drive assembly fitted to the MINI COOPER S has been specifically manufactured by Getrag for this application. This transmission has 6 forward speeds and is rated for a maximum torque input of 210Nm, enough to handle the output of the supercharged engine.
The gearshift pattern has reverse to the left of 1st gear. 6th gear is opposite 5th gear. The neutral position is in the 3rd /4th gear plane.
The gearbox uses the reference code "285".
Scheme 93
Scheme 94
Features of the Getrag 285 Transmission include
- Three shaft design with four fixed gears on the input shaft
- Seven gears on two output shafts
- Overall length of 322 mm including the clutch housing
- All gears have synchromesh
- Aluminum die cast housings
- All housings sealed with liquid sealer
Primary components of the 285 transmission are
- Gears and Shafts
- Clutch Housing
- Gearbox Housing
- Gear Change Housing
- Shift Mechanism
The 285 Transmission contains two output shafts in addition to the one input shaft. The input shaft is supported on a roller bearing in the clutch housing and a sealed ball bearing race in the gear case. The output shafts are both supported by roller bearings in the clutch housing and sealed ball bearing races in the gear case. All speed gears with the exception of first are supported on needle roller bearings. First gear is supported on a roller bearing. The differential assembly is supported on a pair of tapered roller bearings.
Output shaft 1 provides Reverse, 3rd and 4th gears. Output shaft 2 contains 1st, 2nd, 5th and 6th gears. Both Output shafts are meshed with the final drive output gear.
