Farm Equipment - Factory front pump for 400 loaders

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Factory front pump for 400 loaders

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=171888
Printed Date: 10 Apr 2025 at 12:47pm
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Topic: Factory front pump for 400 loaders

Posted By: Alex09(WI)
Subject: Factory front pump for 400 loaders
Date Posted: 09 Jun 2020 at 9:09pm

How many gallons per minute, or how much cubic inch displacement did the original front pumps have when sold with a 415 or 417 series loader? I think front pump for 519 loader may have been different.

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Replies:

Posted By: DrAllis
Date Posted: 10 Jun 2020 at 7:27am

I don't think there's a difference in the loader front pump GPM's on a D-19/500 ldr. There was a D-19 auxiliary front pump to add to the 4.5 GPM belly pump flow and it would have been different and smaller than the loader pump.

Posted By: Joe(TX)
Date Posted: 10 Jun 2020 at 10:36am

I don't think they had front pump for the D19 like the D17. The pump like the D17 would be difficult to fit on a D19. The front axle support extends about 4 inches further out under the steering box and interferes with where the pump would mount. I have seen it done but it usually means chopping a big hole in the grill shell. It could be done with a longer shaft and mount spacers allowing the pump to be in front of the grill

Like Dr. Allis said, they had a smaller auxiliary pump using a flex shaft that mounted between the grill shell and the steering box. I have the pump, mount and diverter valve, but do not have the drive shaft or lines.

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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A