RD906
Number of speeds
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
35 kg
35 kg
Gear wheel width
17 mm for all gears
17 mm for all gears
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 speeds | 6 |
| Gear positions | R-0-1-2-3-4-5-6 |
| Recommended max engine torque | 600 Nm |
| Weight | 35 kg |
| Gear wheel width | 17 mm for all gears |
| Lubrication | 1.3 L Wet sump. GL5 spec. transmission oil. Tractive recommends SAE 90 gear oil, available from Tractive in 1 L bottles. |
| Housing design | High quality compact cast aluminum housing. Thanks to a narrow housing design, no modification of the tunnel is required for most cars. |
| Clutch release mechanism | Not integrated with the gearbox. Usually fitted in the standard bellhousing. |
| Clutch rings (dogrings): | Tractive standard with 90 mm O.D. with radiused corners for long life and good durability. |
| Cockpit Gear Lever: | Tractive sequential shift gear lever with return springs. Two lengths available. |
| Gear Lever and gearbox connection: | Through 8 mm stainless steel rods, either direct or over a bell crank on the prop-shaft tunnel. |
| Reverse gear engagement: | A With clutch ring shared with 1:st gear. Note! No sliding gears, no chips or swarf in the gearbox. |
| Reverse gear release machanism: | A separate lever on the gear lever must be operated to release engagement of neutral and reverse gear. |
| Gear wheel width: | 17 for all gears. |
| Ratios: | Wide range of speed available. |
| Drop gears: | 13 different drop gears are currently in production. |
| Bearings: | Standard type SKF cylindrical roller bearings for input and output shafts. Ball bearings for selector drums. |
| Bearings in clutch gears: | INA cage type needle roller bearings. |
| Surface treatment of casing: | All parts making up the casing are anodized in black colour. |
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.
View our product list here
