Lubricant
| Detail | Specifications |
| Recommended Lubricants | Castrol BOT 350 M3 – Land Rover (vehicles manufactured since 2011) |
| Castrol MTF97309 – Land Rover (vehicles manufactured before 2011) |
Fill volume
| Detail | Volume (liters / pints / US quarts) |
| Initial "dry" refueling | 1,9/3,3/2,0 |
General specification
| Detail | Specifications |
| Make/gearbox type | M66 EH50 |
| Gears | 6-speed manual |
| Gearbox Synchronizer: | |
| Triple | 1st and 2nd |
| Double | 3rd |
| Range Request Completed Without Neutral | 4th, 5th, 6th and back |
| Max Torque | 380 Nm (280 lb-ft) |
| gear ratios: | |
| 1st gear | 3,750:1 |
| 2nd gear | 1,905:1 |
| 3rd gear | 1,182:1 |
| 4th gear | 0,838:1 |
| 5th gear | 0,652:1 |
| 6th gear | 0,540:1 |
| Reverse | 3,436:1 |
Tightening torques
| Description | Nm | lb-ft |
| Ground cable to transmission bracket | 25 | 18 |
| Front flywheel cover | 60 | 44 |
| Front subframe | ||
| Stage 1 | 140 | 103 |
| Stage 2 | 240° | |
| flywheel rear cover | 24 | 18 |
| subframe cross member | ||
| M16 | 140 | 103 |
| M10 | 45 | 33 |
| Gearbox mounting bolts | 65 | 48 |
| Gearbox bracket | ||
| M8 | 24 | 18 |
| M12 | 80 | 59 |
| Attaching the gearbox to the body bracket | 175 | 129 |
| Gearbox drain plug | 30 | 22 |
| Transmission fill plug | 35 | 26 |
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