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ZF 9HP transmission
| ZF 9HP | |
|---|---|
| Overview | |
| Manufacturer | ZF Friedrichshafen |
| Production | 2013–present |
| Assembly | Gray Court, South Carolina, United States |
| Body and chassis | |
| Class | 9-speed transverse automatic transmission |
| Related | Aisin-Toyota 8-speed · ZF 8HP |
| Chronology | |
| Predecessor | ZF 4HP |
9HP is the trademark name for the ZF Friedrichshafen 9-speed automatic transmission models (9-speed transmission with Hydraulic converter and Planetary gearsets) for transverse engine applications, designed by ZF's subsidiary in Saarbrücken and built in Gray Court, South Carolina.[1] It is used in front-wheel drive and all-wheel drive vehicles.
The 9HP is the world's first 9-speed automatic transmission for passenger cars. Land Rover and Jeep launched it at the 2013 Geneva Motor Show.[2] The 2014 Jeep Cherokee then was the first car with this transmission delivered to customers.
Gear Model
|
R | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Total Span |
Span Center |
Avg. Step |
Compo- nents |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9HP 48 · 2013 9HP 28 · 2013 |
−3.805 | 4.700 | 2.842 | 1.909 | 1.382 | 1.000 | 0.808 | 0.699 | 0.580 | 0.479 | 9.808 | 1.501 | 1.330 | 4 Gearsets 3 Brakes 3 Clutches |
- ^ Differences in gear ratios have a measurable, direct impact on vehicle dynamics, performance, waste emissions as well as fuel mileage
- ^ "ZF Develops 9-Speed Automatic Transmission for Passenger Cars".
- ^ Cite error: The named reference
The Car Addictwas invoked but never defined (see the help page).
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