RD906

Number of forward gears
6
Gear positions
R-0-1-2-3-4-5-6
Recommended max engine torque
600 Nm
Weight
Approximately 33 Kg depending on specification
1-6 gear
17 mm forged and ground high quality steel, many ratios available

6 Speed rear wheel drive transimission. Adapt the RD90 to virtually any engine/car combination without need for new patterns or extensive redesign.

Number of forward gears6
Gear positionsR-0-1-2-3-4-5-6
Recommended max engine torque600 Nm
WeightApproximately 33 Kg depending on specification
1-6 gear17 mm forged and ground high quality steel, many ratios available
Applications:Asphalt and gravel rally, hill climb & short sprint
Length:Gearbox front face to output flange 435 mm
Drop gears:22 mm forged and ground high quality steel, currently 13 options available, fitted in rear of gearbox allowing for quick change without removing the gearbox
Clutch rings (dog rings):Tractive standard with 90 mm O.D. with radiused corners for long life and good durability.
Oil capacity:1.3 Liters
Lubrication:Wet sump with GL5 specification oil, recommend Tractive SAE 90 gear oil available in 1 or 4 litre containers
Housing design:Modular concept allowing easy configuration changes
Housing materials:High grade billet and extruded aircraft spec alloys anodised in black
Clutch release:Tractive clutch cylinder available to fit directly to our various front plate designs
Reverse gear:Dog ring engagement protected by secondary reverse release lever
Cockpit gear lever:Two lengths of return sprung lever available
Lever and gearbox connection:SKF high quality roller bearings for input and main shafts, INA cage bearings for gears
Gear position:Single or twin output contactless potentiometer fitted with SureSeal connector

Easy adaptions to a wide range of rear wheeled cars

The Tractive Modular Concept allows for very easy adaptation of the RD90 gearbox to a wide range of Rear Wheel Drive cars, from MKII Escorts with some 220 Nm to powerful V8’s. Adapt the RD90 to virtually any engine/car combination without need for new patterns or extensive redesign. Easy adaptions to a wide range of cars.