Front belt pulley on M274 Army Mule

M274 Mechanical Mule Knowledge Base
Post Reply
fred93
G-Private First Class
G-Private First Class
Posts: 10
Joined: Sat Jun 06, 2015 6:06 pm

Front belt pulley on M274 Army Mule

Post by fred93 » Fri Nov 18, 2016 7:09 pm

I am working on a M274 Army Mule with a 2 cylinder engine. The engine has a pulley on the front and it looks like there is a generator under the pulley that might be used to recharge the battery. This engine is not the original-someone has changed it at some point. Please look at pictures to what this pulley looks like.

Does anyone have info on the pulley/generator that is on this engine?
Attachments
IMG_0565.jpg
IMG_0565.jpg (140.77 KiB) Viewed 382 times
IMG_0564.jpg
IMG_0564.jpg (160.08 KiB) Viewed 383 times
IMG_0563.jpg
IMG_0563.jpg (138.58 KiB) Viewed 384 times
IMG_0561.jpg
IMG_0561.jpg (147.78 KiB) Viewed 384 times

User avatar
major519
G-Captain
G-Captain
Posts: 704
Joined: Sun Feb 13, 2005 7:38 pm

Re: Front belt pulley on M274 Army Mule

Post by major519 » Fri Nov 18, 2016 8:04 pm

Looks like a genset engine that was swapped in.
1968 M274A5 USMC 325489
1958 M274 US ARMY 2BXXXX
1970 M38A1 CDN3
1970 M38A1 CDN3
1981 Manac 3/4t trailer

drsuggs
G-Civilian
Posts: 2
Joined: Thu Jan 20, 2011 5:14 pm

Re: Front belt pulley on M274 Army Mule

Post by drsuggs » Sat Nov 19, 2016 5:50 pm

major519 wrote:Looks like a genset engine that was swapped in.
Just done my engine have to just use block assy. You must remove all Genset parts & move all mule parts over.
This was my 1st engine change over not to bad just need all m274 mule parts. front pulley, cam cover all oil lines.

Chuck W.
G-Lieutenant General
G-Lieutenant General
Posts: 5024
Joined: Wed Dec 18, 2002 1:00 pm

Re: Front belt pulley on M274 Army Mule

Post by Chuck W. » Sun Nov 20, 2016 10:48 am

That is the alternator stator/pulley assembly that is used on the 5KW gen-set version of the 2AO42-3 engine. Most people remove them, along with the timing gear cover, and replace with the cover and pulley that is used on the mule version of this engine. I am not sure if the gen-set pulley will allow the belt to align correctly with the blower drive pulley
Gen-set engine
Image

Image
Correct mule pulley
Image

Image

Image

muleman7
Sergeant Major of the Gee
Sergeant Major of the Gee
Posts: 434
Joined: Mon May 14, 2007 6:36 pm
Location: Georgia
Contact:

Re: Front belt pulley on M274 Army Mule

Post by muleman7 » Wed Nov 30, 2016 1:03 am

If the blower belt lines up stay with your set up. I have the rest of the items to make your charging system work. They were taken off NOS engines I converted. Your pulley system does not have a key way so you will not know how to set the timing without the mule pulley or a degree wheel. Contact me either e-mail or PM
Mules are my passion
www.m274armymules.com

Post Reply

Return to “MULE M274 Technical”

Who is online

Users browsing this forum: No registered users and 1 guest