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  #1  
Old July 3rd, 2015, 02:03 PM
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Tranny & LT230

Hey geniuses....need some help.

You may/may not know - I blew 5th gear in my Defender LT77 - so Newman sold me one, and it came out of a Tithonus truck (Raub's one). And the LT77 came with the TC on it too.

Sooooooo - seems it would be easier to remove the whole TC and Tranny in my D, and replace it all in one swap...right?

But the problem/question is - what freaking LT230 do I have currently? Is it superior? I went hunting for serial numbers on it and came up empty...except for this one on the back where you would normally find the ratio sticker (which is non existent too)

Can anyone help?
These three pics are of the rear of the LT230 on the truck currently - last pic shows where the serial number should be!
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  #2  
Old July 3rd, 2015, 02:05 PM
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Email your pictures to Ashcroft. They will know for sure what you currently have.
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  #3  
Old July 3rd, 2015, 02:17 PM
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Nothing on the left side either?

https://youtu.be/vWVbMP1yqoA
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  #4  
Old July 3rd, 2015, 02:20 PM
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here are the pics of the unit Newman gave me...yes Rick & Raub - much cleaner today!

As you can see the TC on the tranny is a 1.667 ratio - I think this is a pretty good one, but if the one on the truck has a date stamp of 12/10/94 seems like it was rebuilt later...
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  #5  
Old July 3rd, 2015, 02:23 PM
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Quote:
Originally Posted by sonoronos View Post
Nothing on the left side either?

https://youtu.be/vWVbMP1yqoA
Nah Ed - Nothing like a serial #???

On the rear that is where the weird stamping is that says 12 10 94 and RB000YT


I am perplexed. Here is a pic of the left side...
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  #6  
Old July 3rd, 2015, 02:26 PM
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Check this out for location of serial number... yours appears to be in the hard to access spot.
Bottom of page... Ashcroft Transmissions
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  #7  
Old July 3rd, 2015, 02:29 PM
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Craig,
You could do a little reverse detective work here to figure out your current ratio.

Ashcroft Transmissions - Ratio Calculator
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Old July 3rd, 2015, 02:30 PM
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Quote:
Originally Posted by sonoronos View Post
Nothing on the left side either?

https://youtu.be/vWVbMP1yqoA
Beat me to it!
On the video look at 20 sec mark.
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  #9  
Old July 3rd, 2015, 02:37 PM
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Quote:
Originally Posted by Kevin88RRC View Post
Beat me to it!
On the video look at 20 sec mark.
That is the spot on my last picture - nothing at all stamped there?
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  #10  
Old July 3rd, 2015, 02:48 PM
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DO NOT put that tcase in your truck Jonesy. As you know Rick picked that up from me. There is nothing wrong with it but its a 1.66 tcase. Not a an acceptable combo with your tdi. Swapping the transfer cases while on the floor should take less than an hour. Make sure you put the bolts back in the same spots as the front ones are very important to get right. The military box also has a completely different shifter linkage and I had to rougue stuff off other setups in my shop to get Raub on the road.

Re-use your 1.4. Pull the rear access plate (round one) and you can pull the input gear out. If the center hub of that gear has holes in it so oil can get onto the shaft splines you are golden. If not, count the spline no and get a cross drilled gear from Dave Ashcroft and you will be golden.
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  #11  
Old July 3rd, 2015, 02:58 PM
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OK - good to know Doug. Thanks man.

I was hoping to get this done in a day - I guess I better hold out hope for a cross drilled input gear. I emailed Dave to see if he knew anything about the TC in it...those numbers are weird. But it does correspond to the date that NENE Overland had the truck - I am hoping it was a rebuilt unit by Ashcroft.
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  #12  
Old July 3rd, 2015, 03:03 PM
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pull the cover and slide the gear out and look @ it while its still in the truck before you do anything else. Should take 20 mins to know.
94 was the cusp year for the cross drilled gear
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  #13  
Old July 3rd, 2015, 03:28 PM
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HHAHAHAHA....as a testiment to Douglas Crowther's import prowess...

I went through the boat load of receipts that came with the truck when imported...good news is the TC has a cross drilled input gear put into it in 2001. Interestingly the LT77 was reconditioned by Ashcroft in 2004 - I am going to check and see what can be done.
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  #14  
Old July 3rd, 2015, 03:38 PM
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What engine and what suffix gearbox are being used? A TDI and an earlier LT77 is a bad idea.
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Old July 3rd, 2015, 03:41 PM
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Quote:
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What engine and what suffix gearbox are being used? A TDI and an earlier LT77 is a bad idea.
Didn't the R380 only arrive in 1994 with the 300tdi? Which would mean lt77 with 200tdi
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Old July 3rd, 2015, 03:44 PM
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yep LT77 and 200TDi - & gearbox numbers - this data plate was on it.

Interestingly, I thought that Ashcroft stamp a rebuild # over the serial #

NOTE - This is the one I got from Rick and will be replacing the one in mine

John are you saying that it is a bad idea because it is an earlier one and apparently weaker?
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  #17  
Old July 3rd, 2015, 04:36 PM
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Jonesy, I'll do you a favor and some haul away that useless lump of a 1.677 for you to make some space. Or just leave it here when we do the swap. When are we doing this swap btw?
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  #18  
Old July 3rd, 2015, 04:49 PM
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Okay. You have a D box. Not strong enough for a 200tdi. You want a G or H box. Maybe an F. A D will die again in short order.
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Old July 3rd, 2015, 06:19 PM
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Just learned a lot...thanks guys. I gave the whole mess....dirt and all....to him in case there where parts needed. I will take the tcase back....seeing that is handles all the monster HP the 2.5 makes....
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Old July 3rd, 2015, 06:28 PM
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Damn I think I just misplaced a bag with your name on it. LOL. J/K
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