GM 8L45 transmission

8L45
Overview
Manufacturer General Motors
Production 2016–
Body and chassis
Class 8-speed longitudinal automatic transmission
Chronology
Predecessor 6L45/6L50

The 8L45 is an eight-speed automatic transmission built by General Motors debuting in the 2016 Cadillac CT6. It is designed for use in longitudinal applications attached to the front-located engine with a standard bell housing. It is a hydraulic (hydramatic) design sharing much with the 8L90 transmission.[1] Estimated weight savings over the heavier duty 8L90 is 33 pounds. Gear ratios used enable a wide 7.0 ratio spread.

1 2 3 4 5 6 7 8 R
4.62 3.04 2.07 1.66 1.26 1.00 0.85 0.66 3.93

Applications:

Model Years Make and Model Final Drive Ratio
2016–present Cadillac ATS
2016–present Cadillac CTS
2016–present Cadillac CT6
2016–present Chevrolet Camaro

References

  1. "Cadillac Introduces New 8-Speed Automatic on CT6". Cadillac Media USA. Cadillac Media USA. Retrieved 20 March 2015.


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