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New m274 help

TKRESS1

Member
86
3
8
Location
HANOVER PA
This will be my new project for the winter months and I'm looking for advice on things that could be a problem. As far as I know this is a M274 dated Feb 1959. I have two four cylinder motors for this unit both have the Willys name on the header. One was rebuilt in 1965 and only has 14 hours on it. We will be putting it back to the 1959 specs. Please share your knowledge.
 

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gunboy1656

Active member
3,587
22
38
Location
Beaver Falls, PA
Wow that looks like a lot of working, at least you got a few more months of winter to play with it.

Biggest headache we had with our mule was the needle bearings. Oh, and getting rid of farmer Johns modifications. Only part of the mule I have not opened up was the motor.

Take your time and have fun.
 

FrankUSMC

Well-known member
1,559
28
48
Location
Newport, NC
Go to G503.com
They have some GREAT guys who can help you on this. Just go to the mule forum, they have helped me with my mule.
oh, welcome to the mule family.
One of the few, Frank USMC RET
PS, put Bill Watson on your speed dial
 

RodUSMC1962

New member
1,138
9
0
Location
Northwest, Indiana
Just a suggestion,does this have an electric start?We had them in 63-65 when I was in the 4th Marines and we only had the old hand pull starters, just like a lawn mower.I thought thats why they named them mules.They were stubborn! Some seemed to be ok,others were terrible. If you do not have electric start I would consdider adding it.They are a fun vehicle.
 

Charlie

Member
126
2
18
Location
Alabama
It's very expensive to add an electric starter to a 4-cylinder mule engine because there is no ring gear on the flywheel. The pull starter is part of the flywheel. You'll have to machine the flywheel to accept a ring gear and then make an adapter to attach the starter motor. I think Bill still has some of the parts you will need if you want to go that route.
I'm not a fan of the A0-4-53 4-cylinder engine, they are very hard to work on. I'd suggest you convert it to an A0-42 2-cylinder....but that's just me.
 

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Last edited:

natem

Member
692
17
18
Location
freeland/michigan
Read the TM, go by the photos. I set one by the book, never got it to run till I studied the pics. Somehow the text does not match the photos.

Nate
 

Austringer

Active member
Steel Soldiers Supporter
410
34
28
Location
Atlanta, Ga
I've rebuilt a few mule 4 cylinder engines and I'm currently rebuilding one for my 58 at the moment, if you need help, feel free to email me.

Jason
 

TKRESS1

Member
86
3
8
Location
HANOVER PA
Yes, I will be bringing it down this year. Let me know if your looking for any parts for your mule. Do you have any extra spots this year?
 
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