Construction and other equipment - HD6 G Injection Pump ? -344 Engine

Print Page | Close Window

HD6 G Injection Pump ? -344 Engine

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=42438
Printed Date: 23 Jun 2025 at 10:29am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD6 G Injection Pump ? -344 Engine

Posted By: orangeman
Subject: HD6 G Injection Pump ? -344 Engine
Date Posted: 20 Dec 2011 at 7:45pm

Guys: Did American Bosch ever release a comprehensive Injection Pump Service or overhaul manual for the HD6G?

If so, are they still available or can I purchase a scan of one from you guys. I did a limited search on google and on some book sites, but nothing popped up.

I am guessing Trevman, Coke, KC Grain, Gemdozer Mactractor or Dozer may know. Have you guys been into your pumps for overhaul. Any thoughts/comments are appreciated.

Also, while thinking about the close of 2011 want to wish each of you reading this a wonderful holiday season and happy new year.

Orangeman

Replies:

Posted By: gemdozer
Date Posted: 21 Dec 2011 at 5:46am

I do't have manual for AMERICAN BOSCH but I open some HD6 pump for getting some small parts for custemer and a injection fuel pump shop should have some instruction manuals.

Posted By: Ian Beale
Date Posted: 18 Jan 2012 at 4:37am

This might help a bit

http://www.oldengine.org/members/diesel/Ambac/AmbacMenu1.htm" rel="nofollow - http://www.oldengine.org/members/diesel/Ambac/AmbacMenu1.htm

Posted By: orangeman
Date Posted: 21 Jan 2012 at 7:14am

Ian: That is perfect for all the Allis guys with American Bosch pumps. I did find it after a bit of searching.

In close, certainly appreciate the post.

Thanks!-Orangeman

Posted By: HD6 Merv
Date Posted: 21 Jan 2012 at 2:54pm

Thank you for posting that Ian. Alot of good reading there.

Cheers Merv

-------------
tits tyres and tracks

they all cost you money

Posted By: Ian Beale
Date Posted: 22 Jan 2012 at 2:37am

Glad you appreciated it - took some finding, and we needed it.

We're rehabing an Allis 45 grader and have had pump problems. Rebuilt (??) - we got it with the short motor at a sale. Found a major diesel leak to sump (an O-ring unger the head missing), the clip that holds the short tappet to the head squashed and timed one cog out.

Plus a major govenor problem with stall on idle. Diesel apprentice son traced that to a burr on the control shaft into the head that locked up on primary pressure.

I'm new to Allis gear, but not to machinery and like working to the book. We have parts manuals for Forty Five and 45 graders, service manual for 45 series and HD 11 parts and service manuals (which you need as the 45 service manual only covers valve clearances, head tensions and supercharger).

I respond to posts where it looks like this fits and am adding as I know more on our Forty Five.

Cheers

Ian

Posted By: Ian Beale
Date Posted: 22 Jan 2012 at 2:41am

Forgot to mention - I saw a post of someone's new find which was a turbo'd 516. Which had an inline pump rather than a distributor. Would be interesting to find what the pump was, as the rotaries are a bit of a dead end here.

Though I hear that a later one from an IH wheel tractor will adapt. More info would be useful

Posted By: Mactractor
Date Posted: 22 Jan 2012 at 4:04am

The last 516s or 11000s had German Bosch inline pumps Ian. They also fitted Roosa rotaries to them imediately before those. Engines with those pumps appeared in series B HD11 tractors and 745 wheeled loaders that I have seen. Although I`ve heard the inline pumps misbehaved somewhat in some 844 engines, never heard of any trouble with them on 516s