Model Applications
Six Subaru Model variations fitted with Transmission Type TY856UB6AA as standard, or available as a factory fitted option.
| TY856UB6AA | VAB | D | JP | WRX STI | 308 PS | Feb. | '17 | – | Apr. | '18 |
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| TY856UB6AA | VAB | D | JP | WRX STI type S | 308 PS | Feb. | '17 | – | Apr. | '18 |
| TY856UB6AA | VAB | D | JP | WRX STI type S Large Wing | 308 PS | Feb. | '17 | – | Apr. | '18 |
| TY856UB6AA | VAB | D | JP | WRX STI Large Wing | 308 PS | Jun. | '17 | – | Apr. | '18 |
| TY856UB6AA | VAB | D | JP | WRX STI S208 | 329 PS | Nov. | '17 | – | Dec. | '17 |
| TY856UB6AA | VAB | D | JP | WRX STI S208 NBR Challenge Package | 329 PS | Feb. | '18 | – | Apr. | '18 |
Plot GraphTransmission Specification
6-Speed Manual Transmission (6MT), fitted new to production cars from February 2017 to April 2018.
Main Transmission
| First Gear Ratio | 3. | 636 | :1 |
| Second Gear Ratio | 2. | 375 | :1 |
| Third Gear Ratio | 1. | 761 | :1 |
| Forth Gear Ratio | 1. | 346 | :1 |
| Fifth Gear Ratio | 1. | 062 | :1 |
| Sixth Gear Ratio | 0. | 842 | :1 |
| Seventh Gear Ratio | … |
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| Reverse Gear Ratio | 3. | 545 | :1 |
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| High Range Ratio | … |
| Low Range Ratio | … |
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Drive System
Full-time four wheel drive with Driver Control Centre Differential (DCCD)
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| Rear Drive Transfer Ratio | 1.100:1 |
Front Differential
| Type | Helical Limited Slip |
| 38410AA100 |
| Ring Gear Teeth | 39 |
| Pinion Gear Teeth | 10 |
| Final Drive Ratio | 3.900:1 |
Vehicle Speed at 1,000 rpm
| Tyre Size‡ | First | Second | Third | Forth | Fifth | Sixth | Seventh | Reverse |
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| 245/ | 40 | R18 | 8.68 km/h(5.40 mph) | 13.29 km/h(8.26 mph) | 17.93 km/h(11.14 mph) | 23.46 km/h(14.57 mph) | 29.73 km/h(18.47 mph) | 37.49 km/h(23.30 mph) | … | −8.91 km/h(−5.53 mph) |
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| 255/ | 35 | R19 | 8.79 km/h(5.46 mph) | 13.45 km/h(8.36 mph) | 18.14 km/h(11.27 mph) | 23.74 km/h(14.75 mph) | 30.09 km/h(18.70 mph) | 37.95 km/h(23.58 mph) | … | −9.01 km/h(−5.60 mph) |
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‡ The Tyre Sizes shown are the various OEM sizes for Subarus fitted with Transmission Type TY856UB6AA. For other tyre sizes, or for vehicle speeds at different engine speeds, see the Vehicle Speed Calculator and Graph page.
Transmissions with Matching Ratios
| TY856UB1KA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856UB9AA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856WB7JA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856WB7KA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856WB8JA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856WB8KA | Driver Control Centre Differential (DCCD) | Helical Front LSD |
| TY856WB8KD | Driver Control Centre Differential (DCCD) | Helical Front LSD |