RD906
Number of forward gears
6
6
Gear positions
R-0-1-2-3-4-5-6
R-0-1-2-3-4-5-6
Recommended max engine torque
600 Nm
600 Nm
Weight
Approximately 33 Kg depending on specification
Approximately 33 Kg depending on specification
1-6 gear
17 mm forged and ground high quality steel, many ratios available
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 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 |
| 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.
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