2.7L Manual Gearbox Specification (Discovery 3)

Sealants

Name	Land Rover Part Number
Adapter shaft bolt with internal hexagon	STC 50553

Lubrication

Name	Technical specifications
* Recommended lubricants	Burmah/Castrol MTF BOT 338

CAUTION: * Use only specified lubricants.

Working volume

Characteristic	Working volume
Filling volume - wet and dry filling	1.6 l

General technical characteristics

Name	Technical specifications
Gearbox type/manufacturer	ZF S6-53 with speed and position sensors
Transmissions	6 forward gears, 1 reverse gear - all with synchronizer
Gearbox synchronizer:
Triple	First gear
Double	Second, third and fourth gears, reverse gear
Single	Fifth and sixth gears
Maximum torque	472 Nm
Gear ratios:
First gear	5,080:1
Second gear	2,804:1
Third gear	1,783:1
Fourth gear	1,260:1
Fifth gear	1,000:1
Sixth gear	0,835:1
Reverse gear	4,725:1
Gear position sensor	Mounted on the gearbox and connected to the transfer case ECU
Rotation speed sensor	Mounted to the rear of the gearbox housing and connected to the transfer case ECU, allowing range changes while driving

Tightening torque specifications

Description	Nm	lb-ft
* Gearbox drain plug	35	26
* Gearbox filler plug	35	26
Gearbox Lower Guard Bolts	10	7
Output Shaft Speed Sensor Torx Screw	10	7
+ Gear Position Sensor Torx Screws	10	7
+ Adapter shaft bolt with internal hexagon	68	50
Gearbox mounting bolts	40	30
Gearbox Breather Pipe Support Bracket Bolts	10	7
Turbocharger support bracket:
Bolt M8	25	18
Screw	25	18
M10 bolts	40	30
Overflow Pipe Center Support Bracket Bolts	25	18
Left/Right Overflow Pipe Support Bracket Bolts	25	18

* New drain/fill plugs must be installed
+ Apply sealant, part number STC 50553, to the threads of the Torx bolt/screws