Extra Low Range Gears to suit Toyota LandCruiser 70 /105 series (HF1A Transfer case)
These gears have been designed to directly replace the Toyota LandCruiser part-time 4WD HF1A transfer case (19 spline input) low-range gears as fitted to VDJ70, GDJ70, GRJ70 and HZJ105.
Vehicles fitted with automatic transmissions, standard or otherwise, can also take advantage of the extra low gearing in low range as a dramatic improvement in engine braking is achieved, improving off-road performance and increasing safety.
Vehicles fitted with larger tyres can regain lower gearing than the original when fitted with these gears.
For example, 35″ tyres will increase the ground speed of your vehicle by approximately 13%; however, with our Marks4WD low-range gears, you will still have a 20% lower overall ratio than a standard vehicle.
| Original Toyota Gearing Ratio | Marks 4WD Low Range Gear Ratio | |
| High Range | 1:1 | 1:1 = No Change |
| Low Range | 2.488:1 | 3.3:1 = 33% Reduction |
Low range ratio 3.3:1 or 33% Reduction
Manual Gearbox: 5-speed manual – H150F.
The gear ratios are: 1st 4.529:1, 2nd 2.464:1, 3rd 1.49:1, 4th 1:1, 5th .881:1, reverse 4.313:1
Multiply the extra low ratio of 3.3:1 by the 1st gear ratio of 4.529:1 and the differential ratio of 3.9:1. This will give you a final drive ratio of 58.28:1, which is a vast improvement on the standard final drive ratio of 43.95:1
To Suit – Toyota LandCruiser (HF1A – 19 spline input Transfer case)
- GDJ70 Series (GDJ76, 78, 79)
- VDJ70 Series (VDJ76, 78, 79)
- HZJ105 Series (19 spline part-time 4WD models only)
- GRJ70 Series
Part No
- MFK30300










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