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Model Applications

Four Subaru Model variations fitted with Transmission Type TY856WG7KA as standard, or available as a factory fitted option.

TY856WG7KAGDFFGBImpreza WRX STi type-UK280 PSJul.'05Mar.'06
TY856WG7KAGDFFAUImpreza WRX STi280 PSAug.'05Jun.'06
TY856WG7KAGDFFGBImpreza WRX STi spec.D280 PSDec.'05Apr.'06
TY856WG7KAGDFFAUImpreza WRX STi Special Edition280 PSFeb.'06

Plot GraphTransmission Specification

6-Speed Manual Transmission (6MT), fitted new to production cars from July 2005 to June 2006.

Main Transmission
First Gear Ratio3.636:1
Second Gear Ratio2.235:1
Third Gear Ratio1.521:1
Forth Gear Ratio1.137:1
Fifth Gear Ratio0.891:1
Sixth Gear Ratio0.707:1
Seventh Gear Ratio
Reverse Gear Ratio3.545:1
High Range Ratio
Low Range Ratio
Drive System
Full-time four wheel drive with Driver Control Centre Differential (DCCD)
Rear Drive Transfer Ratio1.100:1
Front Differential
TypeHelical Limited Slip
Ring Gear Teeth39
Pinion Gear Teeth10
Final Drive Ratio3.900:1
Rear Differential
Final Drive Ratio3.545:1

Vehicle Speed at 1,000 rpm

Tyre SizeFirstSecondThirdForthFifthSixthSeventhReverse
225/45R178.43 km/h(5.24 mph)13.72 km/h(8.52 mph)20.16 km/h(12.52 mph)26.96 km/h(16.75 mph)34.41 km/h(21.38 mph)43.36 km/h(26.94 mph)−8.65 km/h(−5.37 mph)

The Tyre Size shown is the OEM size for all Subarus fitted with Transmission Type TY856WG7KA. For other tyre sizes, or for vehicle speeds at different engine speeds, see the Vehicle Speed Calculator and Graph page.

Transmissions with Matching Ratios

TY856WG8KADriver Control Centre Differential (DCCD)Helical Front LSD
TY856WG8KDDriver Control Centre Differential (DCCD)Helical Front LSD
TY856WG8MADriver Control Centre Differential (DCCD)Helical Front LSD
TY856WG8MDDriver Control Centre Differential (DCCD)Helical Front LSD
TY856WLFAAViscous Limited-Slip Centre Differential (VCD)Open Front Differential
TY856WWDAAViscous Limited-Slip Centre Differential (VCD)Open Front Differential
TY856WWEAAViscous Limited-Slip Centre Differential (VCD)Open Front Differential