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Triumph 2500 Gearbox with 28% J Type overdrive - also fits TR2-6 - refurbished (2013)


Gearbox number MK5683
Completely stripped and rebuilt with new quality bearings, seals, O rings and gaskets. Syncro assemblies fine tuned for spring tension. All end float clearances optimized.
Gearset has the stronger all steel bushings.
Laygear is uprated with a twin aft needle roller conversion.
Laygear also has the stag needle roller thrust bearing upgrade.
The J type has also been stripped and rebuilt with new bearings, Seals, O rings
and gaskets. The solenoid also has new seals. Planet gears and bearings have been replaced.
The cone clutch is in very good condition and was kept.
Overdrive works in 3rd and 4th.
Comes complete with clutch release bearing and sleeve which has the improved slip type actuator pins and additional fork attachment bolt for failsafe. Gearlever from a 2500 is included which has the OD switch.
Has the small spline input shaft which will also work on a Triumph TR2-6 with the correct clutch plate.
Has been fully tested and in perfect working order.
Has the speedo gearing to suit a TR6. Other ratios can be fitted if required.
Outright purchase no exchange necessary.
I will pack onto a pallet for buyer to arrange their own shipping or can be collected in person (covid rules allowing)
Sorry but cannot ship overseas.

Send enquiry to Mr C



  • Category: Parts
  • Model: Triumph 2500 TR2 Tr3 TR4 TR5 TR6
  • Year: 2013
  • County: Lancashire

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