Re: IH 444 hydraulic reservoir cover

Posted by JimB2 on February 04, 2023 at 06:36:06 from (174.114.155.238):

In Reply to: IH 444 hydraulic reservoir cover posted by larryshaw on February 03, 2023 at 19:36:35:

A picture would help identify the part.
Were your 444s painted yellow indicating they were for non agricultural use?
One of the problems with this IH series of UK Bradford built tractors is that the original design was in the mid 1950s when the only hydraulics were 3pt hitch, front end loader and maybe a single remote cylinder,
so the capacity of the hydraulic reservoir was only about 3 US gallons. Moving forward 10 years and the requirements for hydraulics began much greater and a much larger hydraulic reservoir, on this series of
tractors the solution designed by IH was to use the transmission and differential as a hydraulic reservoir. To accomplish this change in design, the trans/diff gear oil was replaced by IH Hytran and two holes were
drilled in the bottom of the hydraulic reservoir into the trans/diff case with tubes going into the trans/diff case. One tube was the suction line and the other was the overflow line from the original hydraulic
reservoir, next the cover of the hydraulic reservoir under the seat was modified with two tubes, one as the suction line to fit into the suction line in the trans/diff case and the other was the return line. This
is the top cover that the previous poster gave the link to on the caseih.com parts page. Also as the other poster referred too is this configuration usually used an auxiliary hydraulic pump mounted on the front of
the tractor and run from the front crankshaft pulley. Tractors built with this hydraulic configuration were usually used in the industrial market with loaders and backhoes and sometimes for city or golf course uses
where there were side mounted mowers etc, these tractors were usually painted yellow where as ag tractors were traditional red/white.
A couple years ago a poster on this site had a read/white tractor with that hydraulic setup that had originally been used on a vineyard farm.

Hope this helps and I did not add confuse you
JimB

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