ZF 4HP22 transmission

The 4HP 22 is a four-speed automatic transmission from ZF Friedrichshafen AG for passenger cars with rear wheel drive or 4X4 layout. Introduced in 1980, it was produced through 2003, and has been used in a variety of cars from BMW, General Motors, Jaguar, Land Rover, Maserati, Peugeot, Porsche, and Volvo.

Specifications

1980: Simpson Planetary Gearset Types

Gear Teeth and Ratios		Planetary Gearset Teeth[a]			Count	Total	Avg.
		Simpson		Simple
Model Type	Version First Delivery	${\displaystyle S_{1}}$[b] ${\displaystyle R_{1}}$[c]	${\displaystyle S_{2}}$[d] ${\displaystyle R_{2}}$[e]	${\displaystyle S_{3}}$[f] ${\displaystyle R_{3}}$[g]	Brakes Clutches	Ratio Span	Gear Step
Gear		R		1	2	3	4
Step ${\displaystyle i_{n-1}/i_{n}}$		–R : 1			1 : 2	2 : 3	3 : 4
4HP 22 Big Engines	380 N⋅m (280 lb⋅ft) 1980	35 73	35 73	31 83	4 3	3.4055	1.5045
Ratio ${\displaystyle i_{n}}$		−2.0857 ${\displaystyle -{\tfrac {73}{35}}}$		2.4795 ${\displaystyle {\tfrac {181}{73}}}$	1.4795 ${\displaystyle {\tfrac {108}{73}}}$	1.0000 ${\displaystyle {\tfrac {1}{1}}}$	0.7281 ${\displaystyle {\tfrac {83}{114}}}$
Step		0.8412			1.6759	1.4795	1.3735
4HP 22 Small Engines	220 N⋅m (162 lb⋅ft) 1980	35 73	41 73	31 83	4 3	3.7539	1.5541
Ratio ${\displaystyle i_{n}}$		−2.0857 ${\displaystyle -{\tfrac {73}{35}}}$		2.7331 ${\displaystyle {\tfrac {6,983}{2,555}}}$	1.5616 ${\displaystyle {\tfrac {114}{73}}}$	1.0000 ${\displaystyle {\tfrac {1}{1}}}$	0.7281 ${\displaystyle {\tfrac {83}{114}}}$
Step		0.7631			1.7501	1.5616	1.3735
Ratio		${\displaystyle -{\tfrac {R_{1}}{S_{1}}}}$	${\displaystyle {\tfrac {S_{1}(S_{2}+R_{2})+R_{1}S_{2}}{S_{1}R_{2}}}}$		${\displaystyle {\tfrac {S_{2}+R_{2}}{R_{2}}}}$	${\displaystyle {\tfrac {1}{1}}}$	${\displaystyle {\tfrac {R_{3}}{S_{3}+R_{3}}}}$

Applications

4HP 22

Rear-engine design rear-wheel drive configuration^[1]

• BMW
  • E30
    • 1984–1988 316 M10/B18
    • 1987–1988 316i M10/B18
    • 1988–1994 316i M40/B16
    • 1984–1987 318i M10/B18
    • 1987–1994 318i M40/B18
    • 1982–1993 320i M20/B20
    • 1982–1986 323i M20/B23
    • 1985–1990 324d M21/D24
    • 1987–1990 324td M21/D24
    • 1983–1988 325e M20/B27:^[2] Type A
    • 1985–1993 325i M20/B25:^[2] Type A
    • 1986–1992 325ix M20/B25:^[2] Type A
  • E28
    • 1981–1987 518i M10/B18:^[3] Type B
    • 1981–1987 520i M20/B20:^[3] Type B
    • 1986–1988 524d M21/D24:^[3] Type B
    • 1983–1987 524td M21/D24:^[3] Type B
    • 1983–1988 525e M20/B27:^[3] Type A
    • 1981–1987 525i M30/B25:^[3] Type A
    • 1981–1987 528e M20/B27
    • 1981–1987 528i M30/B28:^[3] Type A
    • 1983–1984 533i M30/B32
    • 1984–1988 535i M30/B34:^[3] Type A
  • E24
    • 1983–1989 633CSi M30/B32
    • 1983–1987 635CSi M30/B34
  • E23
    • 1983–1984 733i M30/B32
    • 1984–1987 735i M30/B34:^[4] Type A
    • 1984–1987 745i (South African version) M88/3:^[5] Type A
  • E34
    • 1988–1992 520i M20/B20: Type A
    • 1988–1992 524td M21/D24:^[6] Type B
    • 1988–1990 525i M20/B25: Type A
    • 1988–1992 530i M30/B30: Type A
    • 1988–1993 535i M30/B35:^[6] Type A
  • E32
    • 1986–1994 730i M30/B30:^[7] Type A
    • 1986–1992 735i M30/B35:^[7] Type A
    • 1986–1992 735iL M30/B35:^[7] Type A
• Chevrolet
  • Opala
    • 1988–1992 2.5 (151):^[8][9] Type A
    • 1988–1992 4.1 (250):^[8][9] Type A
• Jaguar
  • XJ40
    • 1987–1993 3.6
  • X300
    • 1994–1997 3.2
  • XJS
    • 1987–1991 3.6
• Land Rover
  • Defender
    • 1997 90 V8 4.0 L North America Spec
    • 1998 90 V8 4.0 L Defender 50th Special Edition
  • Discovery (Series I)
    • 1992–1999 V8 3.9 L
  • Discovery (Series II)
    • 1999–2002 V8 4.0 L
  • Range Rover
    • 1987–2002 (except 4.6 L)
• Lincoln
  • Continental
    • 1984–1985 2.4 L (BMW-Steyr turbodiesel)
• Lotus
  • Lotus Excel
    • Excel SA 1986 –1991 Twin Cam 4 Cyl Lotus 2.2 L 180 bhp
• Maserati
  • Biturbo
    • 1988–1997 2.5 V6
    • 1988–1997 2.8 V6
  • Quattroporte
    • 1994–1998 2.8 V6
• Peugeot
  • 505
    • 1986–1997 2.0 (XN^[10][11][12]): Type A
    • 1986–1997 2.0 (ZEJ^[10][12]): Type A
    • 1986–1997 2.2 (N9T^[12]): Type A
    • 1986–1997 2.2 (ZDJ^{[10][11][12][13]}): Type A
    • 1986–1997 2.5 (XD3^[11][14]): Type A
    • 1986–1997 2.8 (ZN3J^[12]): Type A
  • 604
    • 1987–1989 2.5
• Volvo
  • 740
    • 1984–1985 GL, GLE 2.3 (non turbo) B230F:^[15] Type B
    • 1986–after GL, GLE 2.3 (non turbo) B230F:^[16] Type A
    • 1984–1987 2.4 L Turbo-Diesel D24T^[17]
  • 760
    • 1986–1991 2.3 L
    • 1985–1989 2.3 Turbo B230ET
    • 1983–1989 GLE 2.4 Turbo-Diesel D24T/D24TIC^[18]
  • 940
    • 1990–1994 2.3 (non turbo, Europe & Australia) B230FB
    • 1990–1998 2.4 L Turbo-Diesel D24TIC

4HP 22EH

Four-wheel drive configuration^[1]

• Land Rover
  • Discovery (Series II)
    • 1999–2004 TD5 Diesel

4HP 22HL

Rear-engine design rear-wheel drive configuration^[1]

• Porsche
  • 1989–1993 Porsche 911 Carrera II 3.6
  • 1993–1998 Porsche 993 3.6

See also

• List of ZF transmissions

References

This page was last edited on 7 February 2024, at 20:52