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Model Applications

Six Subaru Model variations fitted with Transmission Type TW75F9A1BB as standard, or available as a factory fitted option.

TW75F9A1BBAA5AJPLeone 1.8 4WD ST100 PSJul.'84Sep.'85
TW75F9A1BBAL5AJPLeone 1.8 4WD SGJul.'84Aug.'85
TW75F9A1BBAL5AJPLeone 1.8 4WD STSep.'84Aug.'85
TW75F9A1BBAL5AJPLeone LimitedMay '85Jun.'85
TW75F9A1BBAL5BJPLeone 1.8 4WD SG100 PSOct.'85Aug.'86
TW75F9A1BBAL5BJPLeone 1.8 4WD ST100 PSOct.'85Aug.'86

Plot GraphTransmission Specification

5-Speed Manual Transmission (5MT), fitted new to production cars from July 1984 to August 1986.

Main Transmission
First Gear Ratio3.545:1
Second Gear Ratio1.947:1
Third Gear Ratio1.366:1
Forth Gear Ratio0.972:1
Fifth Gear Ratio0.780:1
Sixth Gear Ratio
Seventh Gear Ratio
Reverse Gear Ratio3.416:1
High Range Ratio1.000:1
Low Range Ratio1.592:1
Drive System
Selectable 4-Wheel Drive
Driver selectable hydraulic multi-plate transfer clutch (no centre differential).
Rear Drive Transfer Ratio
Front Differential
Ring Gear Teeth39
Pinion Gear Teeth10
Final Drive Ratio3.900:1
Rear Differential
Final Drive Ratio3.900:1

Vehicle Speed at 1,000 rpm

Tyre SizeFirstSecondThirdForthFifthSixthSeventhReverse
155SR137.88 km/h(4.90 mph)14.35 km/h(8.92 mph)20.46 km/h(12.71 mph)28.75 km/h(17.86 mph)35.83 km/h(22.26 mph)−8.18 km/h(−5.08 mph)
175/70R137.84 km/h(4.87 mph)14.28 km/h(8.87 mph)20.35 km/h(12.65 mph)28.60 km/h(17.77 mph)35.64 km/h(22.15 mph)−8.14 km/h(−5.06 mph)

The Tyre Sizes shown are the various OEM sizes for Subarus fitted with Transmission Type TW75F9A1BB. For other tyre sizes, or for vehicle speeds at different engine speeds, see the Vehicle Speed Calculator and Graph page.

Transmissions with Matching Ratios

TW75F5A2BESelectable 4-Wheel Drive (SEL4)Open Front Differential
TW75F9A1BASelectable 4-Wheel Drive (SEL4)Open Front Differential