Product Details This six-speed overdrive transmission was developed for adaptation to a wide range of vehicle requirements. Currently, the TREMEC T-56 is being used on the Dodge Viper, Chevy Corvette Z06, Ford SVT Mustang Cobra, Aston Martin DB7 Vantage and V12 Vanquish, and Holden Commodore and Monaro.
TREMEC
Part Number
Weight
(lbs)
Torque Cap.
(lbs-ft)
GVW
(lbs)
Gear Ratio Chart
1st
2nd
3rd
4th
5th
6th
Rev
1386-000-012
115-129
450
3,260
2.97
2.07
1.43
1.00
0.8
0.62
3.28
TUET1259
115-129
450
3,260
2.97
2.07
1.43
1.00
0.8
0.62
3.28
TUET1260
115-129
450
3,260
2.97
2.07
1.43
1.00
0.8
0.62
3.28
Features & Benefits
Center Distance - 85 mm
Double overdrive provides extended ratio coverage and allows for closer ratio steps
Aluminum die cast housings for reduced weight
Tapered roller bearings on main and countershafts reduce noise and improve durability
Needle bearing under all speed gears improve high speed performance and reduce shift effort
Advanced synchronizer technology
• Powdered steel core blocker rings
• Engineered friction materials for improved durability
• Multiple cone synchronizer design for lower shift effort and increased capacity
• Patented strut-type synchronizer design for improved durability
Constant mesh synchronized reverse
Internal, single-rail shift system
Integral clutch adaptor with front cover end-loading design for increased driveline bending strength and greater application adaptability
This six-speed overdrive transmission was developed for adaptation to a wide range of vehicle requirements. Currently, the TREMEC T-56 is being used on the Dodge Viper, Chevy Corvette Z06, Ford SVT Mustang Cobra, Aston Martin DB7 Vantage and V12 Vanquish, and Holden Commodore and Monaro.
