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Thread: T815 TP24 6x6 Adventure / TrialTruck Build Project

  1. #11
    Sergeant T815-8x8's Avatar
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    Issue 1: Going serious Offroad, at some point the truck will end up on its side !! in Trucktrials it happens often, even with the best cage you can not prevent the sides & doors from damage, particularly 4 door with its greater distance

    2: I'm Re-powering with either DD 8V92ta or 12V71N backed with Allison HT740D or maybe HT754CRD then drive the Tatra T/C, on the 4dr 815's TP24 & VT 8x8 the OE Tatra V12 front is behind the drivers seat over the 2nd steer axle, either Detroit is slightly taller than the OE V12, I need space for radiator maybe intercooler (V space, noise & cooling 2 door will help package everything

    Thx for your interest

  2. #12
    General tatra813's Avatar
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    If you decide to sell it look me up
    4ea Tatra 813's
    Tatra 805
    Lohr
    1989 hagglunds bv206 6cyl
    Polaris mv7
    m35a2 with hummer body
    M1070 HET
    m322lt

  3. #13
    Sergeant Major Flat Black's Avatar
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    Has there been any progress on this build?

  4. #14
    Sergeant T815-8x8's Avatar
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    I finally completed the 4000 mile round trip and hauled the Tatra to where I work in ND for few months before it makes it way home to western MT
    ImageUploadedByTapatalk1415586279.732873.jpg

  5. #15
    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    Nice! Any more pics/ info on what has been done or where all its been?
    Don't worry about the size difference

  6. #16
    Sergeant T815-8x8's Avatar
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    The Tatra landed & cleared customs Nov' last year, until last week it remain in storage just south of Baltimore. Had to buy a tow vehicle GMC dually & borrowed my bosses 25K GN BigTex, got side tracked with Ducati Superbike this summer so partly my fault on delay. I purchased NOS Hutchinson forged alloy 20x10 2-piece wheels + beadlock inserts. So as I got back with my long awaited (10 years ) Tatra I had to go to work, so it still sits on the that trailer.
    hopefully next week I'll have enough time to get started on it, basically here are the next few planned steps

    remove platform body, 5th wheel cw mounting frame, cut off & junk all the wheel fenders, ft-rr tow hooks
    label & remove airline system & chassis wiring harness, steam clean whole chassis / driveline
    remove cab, which will be cut & rewelded to an extended cab, cut & re-drill front chassis to Terrn0 spec's, this shortens front overhang to improve approach angle, the cab mounts will be raised for clearance on 54" o/d 16.00r20 tires
    Attached Images Attached Images

  7. #17
    dumpsterlandingfromorbit! gimpyrobb's Avatar
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    Sounds like it will be a bad azz ride!
    Don't worry about the size difference

  8. #18
    Sergeant T815-8x8's Avatar
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    Weather ranged from 10F to -15F today, working outside has been a challenge but managed to remove many items in it's conversion.
    rear platform bed, the 5th wheel will be re-installed later, all fenders, cab side fenders, battery box, I feel pretty pleased so far with the limited time & weather conditions.
    won bid on govliquidation for 8V92 Detroit, now trying to arrange collect from Warner Robbins GA, this will be matched to a Allison HT740D that I already have. I picked up forged ally Hutchinson 10x20 2-piece wheels + bead locks, probably going to polish the outside face on these. 16.00R20 will be going these in next few weeks.
    Attached Images Attached Images

  9. The Following 2 Users Say Thank You to T815-8x8 For This Useful Post:

    gimpyrobb (11-15-2014), Rusty Loads (11-23-2014)

  10. #19
    Sergeant T815-8x8's Avatar
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    ImageUploadedByTapatalk1416878889.796565.jpgImageUploadedByTapatalk1416878903.730361.jpgImageUploadedByTapatalk1416878934.348837.jpg

    Removed steel fenders, cab side skirting last week, next power up elec' system + air, check all circuits, servos, solenoids. Then I can remove wiring
    Harness & airline / system + cab so I can box frame rails, restore, paint driveline & frame

  11. #20
    Sergeant T815-8x8's Avatar
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    I had 4 straight days off work (good for time, bad on the budget side)
    removed 120T towing hook, diesel tanks, brackets, cut off nearly all the unwanted frame brackets. Remove 1 wheel to see how the Hutchinson wheel fits, need to replace all 60 wheel studs as they are not long enough for the alloy wheel, luckily Tatra makes a longer stud which is used on rear axle for dual wheels, this has been added to my long list of parts to order from the CZ.
    other wheel issue is that early Tatra use "Stud Mount" V Hutchinson "Pilot mount", so I have to machine the wheels for the locating shim.
    Nearly finished cutting off all the unwanted brackets from what
    was the platform, when completed all that will remain is the channel rails
    and 5th wheel, this will then be used for the "New" to be fabricated flat platform
    Bed & ROPS.
    I will be picking up 2 Tatra Terrn0 NOS standard short cab's from the now defunct ATC (Tatra USA) these are total complete, 1 of these will replace the
    TP24 4 dr cab.
    Newly acquired Detroit Diesel 8v92ta from an Oshkosh HMETT expected to arrive Dec 9th.
    this will match the Allison HT740D also from a HMETT, laying out the dims
    for the eng/tran combo with the shortest drive shaft I can get away with
    will put the front pulley in about the same place as the VVN series Tatra
    i.e 300mm further forward than the TP / VT series
    To improve approach & departure clearance, I will be shortening rear overhang
    by 250mm & front to Terrn0 specs 165mm.
    Before Xmas I hope to have all the wiring, air system & winch removed so I can
    really successfully access, renovate & paint the driveline & frame
    Attached Images Attached Images

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