AUTOMATIC TRANSMISSION

04

GENERAL SPECIFICATION DATA

NEW RANGE ROVER

14

INFORMATION

AUTOMATIC TRANSMISSION

Automatic gearbox
Model

2.5 litre Diesel & 4.0 litre Petrol

ZF4HP22

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4.6 litre Petrol

ZF4HP24

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Type

Four speed and reverse epicyclic gears with fluid

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torque converter and lock up.

Transfer gearbox
Borg Warner

Two speed reduction on main gearbox output, front

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and rear drive permanently engaged via a centre
differential controlled by a Viscous unit giving a 50/50
nominal front and rear torque split.

Transfer gearbox ratios
High

1.216:1

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Low

3.271:1

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Automatic gearbox ratios

4th

0.728:1

...........................................................................

3rd

1.000:1

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2nd

1.480:1

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1st

2.480:1

...........................................................................

Reverse

2.086:1

...................................................................

Overall ratio (final drive):

High transfer

Low transfer

4th

3.13:1

...........................................................................

8.43:1

3rd

4.30:1

...........................................................................

11.58:1

2nd

6.37:1

..........................................................................

17.14:1

1st

10.67:1

...........................................................................

28.72:1

Reverse

8.98:1

...................................................................

24.15:1

Propeller shafts
Type:

Front

Tubular 51mm diameter

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Rear

Tubular 51mm diameter

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Universal joints

Open type Hooks O3EHD

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Rear axle
Type

Spiral bevel

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Ratio

3.54:1

.................................................................................

Front axle
Type

Spiral bevel

.................................................................................

Ratio

3.54:1

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