ZF 3HP22 transmission
The 3HP22 is a three-speed automatic transmission from ZF Friedrichshafen AG for passenger cars. Introduced in 1973, it was produced through 1990, and has been used in a variety of cars from Alfa Romeo, BMW, Citroen, Peugeot, and Fiat.
| 3HP 22 | |
|---|---|
| Overview | |
| Manufacturer | ZF Friedrichshafen |
| Production | 1973 – 1990 |
| Model years | 1973 – 1990 |
| Body and chassis | |
| Class | 3-Speed Longitudinal Automatic Transmission |
| Chronology | |
| Predecessor | ZF 3HP 12 |
| Successor | ZF 4HP 22 transmission Family |
Technical data
Gear ratios
| Gear Teeth and Ratios | Planetary Gearset: Teeth | Count | Total | Avg. | ||
|---|---|---|---|---|---|---|
| Simpson | ||||||
| Model
Type |
First
Delivery |
Sun 1
Ring 1 |
Sun 2
Ring 2 |
Brakes
Clutches |
Ratio
Span |
Gear
Step |
| Gear | 1 | 2 | 3 | R | ||
| 3HP 22
A · Big Engines |
1973 | 35
73 |
35
73 |
3
2 |
2.4795 | 1.5746 |
| Ratio | 2.4795 | 1.4795 | 1.0000 | - 2.0857 | ||
| 3HP 22
B · Small Engines |
1973 | 35
73 |
41
73 |
3
2 |
2.7331 | 1.6532 |
| Ratio | 2.7331 | 1.5616 | 1.0000 | - 2.0857 | ||
Torque
The ZF 3HP22 can handle up to 320 N⋅m (236 lbf⋅ft) of input torque.
Weight
Weight: 45 kg gearbox with converter
Control
Control: mechanical / hydraulic
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See also
References
- "ZF North America application chart (automatic)". ZF.com. Retrieved 22 November 2013.
- "BMWE21.net". BMWe21.net. Retrieved 24 November 2013.
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