Product details

DESCRIPTION

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

  • Info

    Number of speeds 6
    Gear positions R-0-1-2-3-4-5-6
    Recommended max engine torque 600 Nm
    Weight 35 Nm
    Gear wheel width 17 mm for all gears.

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. 

 

 

Technical Information

Lubrication

1.3 L

 

Wet sump. GL5 spec. transmission oil.

 

Tractive recommends SAE 90 gear oil, available from Tractive in 1 L bottles. 

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:

With clutch ring shared with 1:st gear. Note! No sliding gears, no chips or swarf in the gearbox.

Reverse gear release mechanism:

A separate lever on the gear lever must be operated to release engagement of reverse gear.

Gear wheel width:

17 mm for all gears.

Ratios:

See Ratio charts

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.

 

 

 

 

 

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