Transmission (Cooper S): Notes
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The manual transmission and final drive assembly fitted to the 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 210 N.m, 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". See Fig 1 and Fig 2 .
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.