Ex Army 110 gearbox? Different to Defender?

[4x4 MORE]

Hi guys the Ex Army 110's have the same gearbox and transfer as the early Classic Range rover right?, were theDefenders running a different transfer box?:confused:

[85 county]

Hi guys the Ex Army 110's have the same gearbox and transfer as the early Classic Range rover right?, were the Defenders running a different transfer box?:confused:

i assume you mean the LT95 4 speed. then the answer is NO, Having said that if you are asking the question you probably think all 110s are defenders.

Land rover Australia stopped the Lt95 in October 1985 for civies. mill vehicles retained the Lt95.

but to your question is an Ex ADF 110 the same gearbox as a pre 85 rangie. YES, BUT. different tranz brake. no biggie just keep the army or 110 one.

out put flange is different, rangie is smaller as is the flange on the drive shaft on the rangie, apparently the housing is the same so i think its just a swap out or 350 approx, bucks for a new one.

transfer gears. are a lower ratio in the rangie. the 3.9 Isuzu has the highest range available .996. there are different small changes with different suffix boxes over the years.
Bear man is the man who seems to have a wealth of knowledge on the LT95.

there is also a short shift and a long shift box

so why are you asking?

[JDNSW]

To amplify the last post - the LT95 four speed box was introduced in 1970 for the Rangerover and 101 FC. It was used in the first coil sprung V8 110 Landrovers, and also in the Isuzu engined 110.

It was replaced in the Rangerover and V8 110 after 1985. I have seen statements that it was not used in the civilian 110 after 1985, but I have a 1986 plated Isuzu engined 110 with the LT95.

As the LT95's integral transfer case is the only one providing for the third axle drive, this is fitted to all 6x6 Perenties, and also to all (possibly only nearly all) 4x4 Perenties.

The Defender did not replace the 110 until 1989 (1992 in Australia, but no 110s after 1990?), after the Perentie program was completed. As far as I know all pre-puma Defenders have the five speed R380 gearbox and LT230 T/C. Post 1986 pre-Defender civilian 110s (V8 and Isuzu) used the five speed LT85 box. The LT77 five speed was used in the 2.5l petrol and diesel vehicles not sold in Australia.

John

[dfendr]

I believe the 200 tdi Defender and Discovery used the LT77 gearbox

[87County]

I believe the 200 tdi Defender and Discovery used the LT77 gearbox

that's right, 200tdi (up to abt '93 maybe early '94) deefers had the LT77 + LT230, '94 & later 300tdis had the R380 + LT230 as JD posts

and I believe that the LT77 was used in manual RRs

[Blknight.aus]

coloqualliy.

No defender had the lt95 the counties did. As did the rangies.
The lt95 in the perentie is not the same as the one in the rangie/county it is however similar enough that of you had a broken one and a replacement of the other type the. you could make it work.by part swapping.
The lt95 has the txase as an intergral unit in terms of housings.

The defenders with the tdi200 had the lt77 the tdi300 had the r380. Both ran the lt230 tcase.
The discos followed suit.

The easiest way to work out what is in a defender is to look at the belts and the shift pattern.

If you have v belts you have a tdi200, a serpentine belt is the tdi300
If the gesrshift pattern has r135 up the top and 24 at the bottom that's the lt77 and if 135 is at the top and 24r is on the bottom that's an r380.

The county has either a v8 or an Isuzu easy to spot once you go past the fact that one has 8 spark plugs, carbies in the middle and is made of aluminium where as the other. Has four injectors a fuel injector pump on the drivers side and is made of cast iron. If when you look into the engine bay if you find yourself thinking " I could beat Chuck Norris to death with that " the n that's an Isuzu 4bd1.

If the shifter Has five and a reverse then it's an lt85 in one format or another with an lt230, four gets you the the lt95.


Hope that helps.

[4x4 MORE]

i assume you mean the LT95 4 speed. then the answer is NO, Having said that if you are asking the question you probably think all 110s are defenders.

Land rover Australia stopped the Lt95 in October 1985 for civies. mill vehicles retained the Lt95.

but to your question is an Ex ADF 110 the same gearbox as a pre 85 rangie. YES, BUT. different tranz brake. no biggie just keep the army or 110 one.

out put flange is different, rangie is smaller as is the flange on the drive shaft on the rangie, apparently the housing is the same so i think its just a swap out or 350 approx, bucks for a new one.

transfer gears. are a lower ratio in the rangie. the 3.9 Isuzu has the highest range available .996. there are different small changes with different suffix boxes over the years.
Bear man is the man who seems to have a wealth of knowledge on the LT95.

there is also a short shift and a long shift box

so why are you asking?


From what I can gather the High range in the Ex army 110 is higher but both have the same low ratio???:confused:

95 Transfer ratio ( Integral part of LT95 gearbox)
LT95 gearbox
transfer part 101 Forward Control 110 90, Range Rover
High transfer 1.17:1 1.34:1 1.11:1
Low Transfer 3.22:1 3.22:1 3.22:1

[85 county]

From what I can gather the High range in the Ex army 110 is higher but both have the same low ratio???:confused:

95 Transfer ratio ( Integral part of LT95 gearbox)
LT95 gearbox
transfer part 101 Forward Control 110 90, Range Rover
High transfer 1.17:1 1.34:1 1.11:1
Low Transfer 3.22:1 3.22:1 3.22:1

there are more flavours than just that. then you can add the disco and latter transfer gears into the mix as well. but thay are all lower ratio.

you already have the highest at .996, so just leve it at that.

you can grab a rangie box, change the rear output shaft and change the transfer gears by swaping out from your box. but if you can do that. then you are able to just rebuild the box you have. assuming you are not being over fussy about how ruff these boxs are in the first place and that it needs to actualy be rebuilt??

[4x4 MORE]

I am lost mate? You mean the Highest high range in 1st gear?:confused:

[101RRS]

I am lost mate? You mean the Highest high range in 1st gear?:confused:

.996:1 is the high range gear ratio of the transfer case - the gearbox ratios are common on all LT95s.

[85 county]

I am lost mate? You mean the Highest high range in 1st gear?:confused:

ok

the lt95s are all the same. ( not counting the 101)

first gear to forth gear are the same.

what is different is

looking at the back of the gear box, you see the housing round at the top which unbolts. and at the bottom you see the aluminum housing just behind the hand brake drum. 1/2 way between the two you can see 1/2 a shaft. that's 1//2 on an angle from the output shaft and the round housing at the top.

between these of inside is 3 gears. 1 on the back of the gearbox. one in the middle and one on the bottom whose center lines up with the output shaft/ drive shafts.

it is these 3 gears that control the final drive ratio. thus affect all gears

the top gear is on the back of the gear box, the middle or intermediate gear and the bottom gear is in the transfer case. IE it is like a crown wheel on a differential only the teath are on the outside.

it is these gears that are different between the higher revving V8 range rover and the lower revving Isuzu. in our case the gears are .996. though the disco and defender range of transmissions etc there are a number of different ratios, which you can play around with. but leave that to the guys with 35" rubber and 5 speed gear box's

[4x4 MORE]

Mmm that makes a bit more sense..still struggling to under stand it all though:angel:

[4x4 MORE]

Maybe some one has a clear gear ratio chart to explain it a bit more?:confused:

[85 county]

well maybe if, as asked before!

what are you trying to achieve?

[101RRS]

Maybe some one has a clear gear ratio chart to explain it a bit more?:confused:

Most 4wds have a gearbox and attached to that is a two speed gearbox called a transfer case.

For the 4 speed LT95 gearbox gear ratios are:
1st 4.07:1
2nd 2.45:1
3rd 1.51:1
4th 1:1

Then you have the 2 speed transfer case

Hi Range - depending on vehicle or mods
1.17:1 (101),
1.34:1 (Stage 1 V8, 110 V8),
1.11:1 (some RR),
0.996:1 (Some RR, Diesel Stage 1, 110 and I think Perenti)

Lo Range (all vehicles)
3.22:1

Here is something for you to study Land Rover gear ratios (http://www.expeditionlandrover.info/gear_ratio.htm)

[4x4 MORE]

garrycol, thanks mate, that's what I was after:)

[Red90]

Lo Range (all vehicles)
3.22:1


Civilian 90/110 are 3.32 low range according to the factory manual. No idea about the Perentie.

[4x4 MORE]

cheers..it is indeed very low geared in low range..:)

[101RRS]

Civilian 90/110 are 3.32 low range according to the factory manual.

That is an LT230 transfer case - my figures are for the LT95.

Garry

[Lotz-A-Landies]

cheers..it is indeed very low geared in low range..:)But that is because they have relatively high diff ratios so need a similarly low ratio for the transfer to compensate.

[85 county]

But that is because they have relatively high diff ratios so need a similarly low ratio for the transfer to compensate.

regardless of gearboxs or all LR 110 defenders discos etc have 3.55 diffs. unless swapped for after market

[JDNSW]

regardless of gearboxs or all LR 110 defenders discos etc have 3.55 diffs. unless swapped for after market

Actually 3.54, and seeing this thread is about Military Landrovers, it should be mentioned that the 6x6 110s are 4.7, not 3.54.

John

[85 county]

Actually 3.54, and seeing this thread is about Military Landrovers, it should be mentioned that the 6x6 110s are 4.7, not 3.54.

John

what he said ^^^^^^^

[Red90]

That is an LT230 transfer case - my figures are for the LT95.

No, LT95.

[isuzurover]

That is an LT230 transfer case - my figures are for the LT95.

Garry

I think you need new glasses ;)

[101RRS]

I think you need new glasses ;)

Huh??

[101RRS]

No, LT95.

A clash of references - the reference I listed above indicated 3.22:1 for LT95 and the reference you listed has 3.32:1.

I just checked my 101 workshop manual and it lists 3.32:1 so I 3.32:1 it is :).

Cheers

Garry

[Red90]

Ashcroft says.... Ashcroft Transmissions - Ratio Calculator (http://www.ashcroft-transmissions.co.uk/calc/ratio_calc.html)

3.22 for the 101....

3.321 for all others.

Maybe Dave can shed some light.

[101RRS]

The number in the genuine 101 Workshop manual is 3.321:1, so it would seem the Ashcroft site is not correct.

Maybe this is where the confusion on of various sites on whether the LT95 ratio is 3.22 or 3.32 comes from.

Cheers

Garry

[4x4 MORE]

Cheers mate:)