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  1. #21
    Join Date
    Aug 2002
    Location
    west coast of Scotland
    Posts
    1,468

    Default Re: Like for like swap of my Perkins 4108

    A good few years ago ( about 12 I think) I had my 4108 rebuilt by a commercial garage on the outskirts of Cumbernauld that specialised in reconditioning bus and plant engines. Cost was £850 as I remember.
    The Perkins dealer up the road wanted £1850 plus a ' possibly refundable' deposit of £850.

    If I was replacing I'd definitely go with Beta. Good engines and great service.

  2. #22
    Join Date
    Apr 2005
    Location
    Shropshire
    Posts
    7,319

    Default Re: Like for like swap of my Perkins 4108

    Quote Originally Posted by wully1 View Post
    A good few years ago ( about 12 I think) I had my 4108 rebuilt by a commercial garage on the outskirts of Cumbernauld that specialised in reconditioning bus and plant engines. Cost was £850 as I remember.
    The Perkins dealer up the road wanted £1850 plus a ' possibly refundable' deposit of £850.

    If I was replacing I'd definitely go with Beta. Good engines and great service.
    You won't get much from Beta for £850!

  3. #23
    Join Date
    Aug 2001
    Location
    Scotland
    Posts
    1,654

    Default Re: Like for like swap of my Perkins 4108

    Just a thought, if you are up to spanner work you could do the complete rebuild yourself as the 4.108 has liners so you dont need to get the block rebored. Cost for parts as follows.
    Engine block kit inc pistons liners gasket
    £350
    Valve train assembly £70
    Camshaft £85
    Rocker arms £160
    Top gasket set £50
    Oil pump £160
    And so on so call it £1000 + VAT but you may need crankshaft reground which will add a bit to the cost.

    Although most of the work is straightforward, removing the liners is a bit of a fight as you need to use a bit of force to remove them. One method being to run a beed of weld down the centre of each liner which causes the liner to contract. To be honest I would think about getting an engine shop to pull the old liners and refit the new ones.

    Go on YouTube or talk to Skipper Stu of this parish.

  4. #24
    Join Date
    Feb 2003
    Posts
    12,157

    Default Re: Like for like swap of my Perkins 4108

    if it was me doing it, the overhaul bits are cheap, see here, they also do engines as can be seen.
    Thoroughly recommended for service and helpfulness
    https://www.parts4engines.com/perkins-4-108-4-108m/

    Stu
    Last edited by skipper_stu; 01-08-17 at 19:29.

  5. #25
    Join Date
    Feb 2003
    Posts
    12,157

    Default Re: Like for like swap of my Perkins 4108

    Quote Originally Posted by Jcorstorphine View Post
    Just a thought, if you are up to spanner work you could do the complete rebuild yourself as the 4.108 has liners so you dont need to get the block rebored. Cost for parts as follows.
    Engine block kit inc pistons liners gasket
    £350
    Valve train assembly £70
    Camshaft £85
    Rocker arms £160
    Top gasket set £50
    Oil pump £160
    And so on so call it £1000 + VAT but you may need crankshaft reground which will add a bit to the cost.

    Although most of the work is straightforward, removing the liners is a bit of a fight as you need to use a bit of force to remove them. One method being to run a beed of weld down the centre of each liner which causes the liner to contract. To be honest I would think about getting an engine shop to pull the old liners and refit the new ones.

    Go on YouTube or talk to Skipper Stu of this parish.
    As per previous, thse guys know their stuff, really going for it and prices are right.
    Stu

  6. #26
    Join Date
    Jul 2007
    Location
    Poole
    Posts
    420

    Default Re: Like for like swap of my Perkins 4108

    Quote Originally Posted by DownWest View Post
    Couple of years ago, I sorted some probs on a 4-108, that came from a Challenger(?) tank. Low hours and in good nick. Replaced the seized old 4-108 that had sea water up the exhaust. The sorting included a new water trap to avoid the fate of the previous engine.
    There is an outfit that supplies such engines. Ex lifeboats and other commercial users.
    There are a couple of sources of low hours ex-MoD Perkins 4108s. Here is one of them. http://www.armyuk.co.uk/equip.php?ID=688
    No need to struggle with sail handling. Go 4 speed.
    www.pontoswinches.co.uk.

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