Roverdrive LT95 epicyclic O/D soon.

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Originally Posted by clean32

like his question ^^^^^

but all this is a bit past me, but then as theres a few pics of overdrive units i wonder if any are going begging?

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None are likely begging when current owners/users are coming over to grab even rusty old ones sometimes seen in pics on on-line forums!

Have just had a discussion with Ray Wood from Roverdrive Gear Corp.

The LT95 overdrive unit production has been delayed while they design a new casting to mate with the LT95. Apparently they were not happy with the penetration and bearing support when they attempted to modify a LT230 overdrive casing for the LT95.

The expected release date has now been pushed back to September this year.

Diana

Addit: The initial production run will be 25 units. Most likely with linkages to suit the 110/County but the option for no-linkage kit at reduced cost which would probably suit 101 owners.

Anybody heard what progress is being made with this overdrive??

I've been given 3 dead LT95 Fairey overdrives over the years, and they have all split the casings open due to the drivers forgetting to engage direct drive when using the lower gears in the main box.the gears were still good so maybe a tight fitting girdle around the case might help to keep them alive. The oil trough lube system from the transfercase is a huge improvment on the series models as far as gear and dog spline lubrication and longevity is concerned. The gears and dog splines although the same pattern and diameter as on the series overdrives are 6mm wider for greater strength and longer life.Overdrive ratio still should be engaged quite regularly to prevent the needle rollers on the dog gear from Brinnelling into the bearing surface of the mainshaft gear.
I've used the front of the dead overdrive gearcase, the dog gear, input shaft and output gear in modified form to make a couple of deep reduction (2.57:1)underdrives by adapting these components to Borg Warner Quadratrac planetary reduction units removed from early Jeep Wagoneers and CJ7s. I wonder if Roverdrive will offer an underdrive alternative for the LT230 and LT95s in addition to the overdrives?
Wagoo.
Edit, anyone have an exploded view of a Roverdrive for a series t/case? Not sure but I think the smaller mainshaft gear diameter of the all helical 1 ton t/case may present a design issue as it would if attempting to adapt the Fairey/Toro design to the same.

Response from Rover Drive this weekend

Hello Duane,

Nothing now but planned for later this year. I have an Isuzu/LT95 Australian Land Rover myself.

Ray

ROVERDRIVE GEAR CORPORATION

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Originally Posted by wagoo

I've been given 3 dead LT95 Fairey overdrives over the years,
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The oil trough lube system from the transfercase is a huge improvment on the series models as far as gear and dog spline lubrication and longevity is concerned. <:Only the later Fairey LT95 O/D had the recirculating lubrication system - I bought one in 1983 without the recirculation and it only lasted 6 months - 101 Ron has the dead remains:>
<snip>
I've used the front of the dead overdrive gearcase, the dog gear, input shaft and output gear in modified form to make a couple of deep reduction (2.57:1)underdrives by adapting these components to Borg Warner Quadratrac planetary reduction units removed from early Jeep Wagoneers and CJ7s. <:You are quite a talent! :BigThumb: :> I wonder if Roverdrive will offer an underdrive alternative for the LT230 and LT95s in addition to the overdrives? <:email them roverdrives@yahoo.ca and ask :>
Wagoo.
<snip>

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comments in red text.

The three fairey units I have used all had the oil feed troughs, and the gubbins were all in good nick.
I've sent an email to Roverdrive. Meanwhile just idley speculating that they would have to fit a much larger planetary gearset for an underdrive. Because the Quadratrac reduction unit has to multiply torque as opposed to reducing torque as on an overdrive, it is physically huge in comparison to the Roverdrive unit.
Wagoo.