Are all 100 series Std Gearboxes the same ?

Submitted: Thursday, Feb 05, 2015 at 17:22
ThreadID: 111002 Views:1686 Replies:6 FollowUps:1
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I have a 04 diesel 100 series (std) with a gearbox that has a bit of a chatter around the 2200 rpm.
I have the opportunity to get a gearbox out of a earlier (2000) model petrol 100 series std.
I went to replace the tailshaft from the diesel with the petrol one only to find they are different in length.
So is the difference in the engine / gbox mount position or are the boxes / transfer case different ?
TIA
Fuzzy
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Reply By: Idler Chris - Vic - Thursday, Feb 05, 2015 at 17:58

Thursday, Feb 05, 2015 at 17:58
Its fairly normal for there to be many differences between a petrol and diesel of the same model other than just the engine.
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Reply By: Grumblebum and the Dragon - Thursday, Feb 05, 2015 at 18:11

Thursday, Feb 05, 2015 at 18:11
I don't know enough to advise - but if you post the question on LCOOL (Landcruiser owners on line) you will find there is a wealth on knowledge.

John
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Reply By: pop2jocem - Thursday, Feb 05, 2015 at 18:18

Thursday, Feb 05, 2015 at 18:18
The gearbox is different. The 100 series which came standard with the 1HZ (non turbo) diesel had a gearbox that had the model number R151F.
The petrol and 1HD-FTE (turbo diesel) had the H150 series gearboxes. Much more heavy duty.
From memory the petrol had a H150F and the turbo diesel a H151F. As far as I can remember the only major difference between these 2 is the 1st and 2nd gear ratios.

Cheers
Pop
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Reply By: Member - mark D18 - Thursday, Feb 05, 2015 at 18:54

Thursday, Feb 05, 2015 at 18:54
Fuzzy bear
Those gearboxes are normally pretty tough.
are you sure its not your clutch making the chatter.

Cheers
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Reply By: Ozhumvee - Thursday, Feb 05, 2015 at 19:01

Thursday, Feb 05, 2015 at 19:01
The standard 1hz powered 100 series has a relatively light duty gearbox compared to the petrol and turbo models and are a known failure point. A friend replaced his twice within a few years due to towing duties flogging it out. The third time he fitted the petrol/turbo box which is a heavier duty unit as was mentioned in an earlier post.
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Reply By: Life Member - Terry 80FTE - Thursday, Feb 05, 2015 at 22:54

Thursday, Feb 05, 2015 at 22:54
Pop's onto it,
but you really need to state exactly what model Landcruiser you have too avoid confusion and help others help you.
I'm having a guess that you have a HZJ-105 .
Is the petrol model V8 or straight 6 i.e. 100 series or 105 series,
when you say std. do you mean base model or not modified?
The "R" and "H" boxes are different where they fit onto the transfer case,
I think you can replace the relevant shaft/gear, but would be easier to get the transfer that's on the transmission.
Also the clutch shaft and splines are different but can be sorted.
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Follow Up By: Member - DingoBlue(WA) - Saturday, Feb 07, 2015 at 21:51

Saturday, Feb 07, 2015 at 21:51
You can buy a brand new gearbox (including clutch) for an HJZ 105 for around $2600.00. Check it out before you go for reconditioned unit. Would be better to fit the heavier duty gearbox.
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