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bigfatsi



Member Since: 07 Sep 2018
Location: Teesside
Posts: 48
United Kingdom 2003 Defender 110 Td5 CSW Aintree Green
Can I use a Discovery Gearbox in my Defender?
Hi,

I've got a feeling that the gearbox on my daily needs a rebuild. It's a 2003 TD5 110CSW.

Don't have time to wait whilst it's sorted, so considering grabbing an R380 out of a Disco as they seem plentiful and cheap. Then I've got time to get the box 'fixed'.

I know the transfer box ratios are different between Disco & Defender and I presume there's a certain amount of ancillary swapping required, but are the internals and ratios the same?

TIA

S
Post #796630 4th Oct 2019 8:27am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039
Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
I think the input shaft has a differnt length so it will probably a lot off work to get that in. But somebody with more knowledge will tell you exact. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #796633 4th Oct 2019 8:32am
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derbywill



Member Since: 25 Mar 2010
Location: Derbyshire
Posts: 539
England 2005 Defender 90 Td5 XS CSW Java Black
You have to strip the box the change the selector shafts as they are different between Defender and Discovery’s.

Cheers

Will 2005 90 XS
1954 86'' Series 1 tilt
Post #796634 4th Oct 2019 8:33am
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bigfatsi



Member Since: 07 Sep 2018
Location: Teesside
Posts: 48
United Kingdom 2003 Defender 110 Td5 CSW Aintree Green
Ah. That seems like a royal pain. Thanks for the quick replies.

S
Post #796644 4th Oct 2019 10:15am
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rallysteve



Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2196
United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
You dont have to strip the box. Ashcroft make a selector adaptor that allows fitment of the defender shifter to the discovery box. Used one in my V8 to fit a defender LT77 selector housing to a discovery R380.

https://www.ashcroft-transmissions.co.uk/d...-yolk.html

Steve 02' 110 TD5 Double Cab Rebuild Thread
84' 90 3.9 V8 Caged Pickup Build Thread - Now For Sale


Mobile Diesel Heater Build Thread
Post #796647 4th Oct 2019 10:30am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2077
United Kingdom 1984 Defender 90 200 Tdi HT Pennine Grey
Why not just give your vehicle to Ashcroft for the day and have them fit a an exchange recon unit.
It's a lot less trouble than faffing around with disco boxes.
Mo The Land Rover 90 - Many are called, few are chosen.
Post #796654 4th Oct 2019 11:48am
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bigfatsi



Member Since: 07 Sep 2018
Location: Teesside
Posts: 48
United Kingdom 2003 Defender 110 Td5 CSW Aintree Green
Ashcroft would be great if A) They weren't so far away and B) I wasn't skint. lol

S
Post #796657 4th Oct 2019 11:53am
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