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Farmall & IHC Tractors Discussion Forum

3414 Hydraulic pump

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Dustin Medders

04-18-2014 10:24:27

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I have a International 3414 with a loader and a hoe that needs a new front mounted hydraulic pump. It has a TRW pump on it now that is marked 531271. Does anyone know what gpm this pump is or what GPM should be on my tractor?

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04-18-2014 11:03:14

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 Re: 3414 Hydraulic pump in reply to Dustin Medders, 04-18-2014 10:24:27  
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Any pump can be any GPM depending how fast it turns. You need a pump that is around 2 to 2.5 cubic inches per revolution. That would have a rating of around 17-24 GPM @ 2000 RPM. The 3414 takes the same pump in front as a Ford 4000 with a backhoe/loader, Case 580CK, John Deere 350 or 450 crawler-loader, etc. Very common. In your sitution - one thing to consider. The original setup with the 3414 came two ways. One had a pump with a keyway insteaad of splines. That was just the early ones. Then they used a pump with a small splined shaft and a special driveshaft with one small end (to fit the pump) and one big end to fit the spline drive on the crankpulley. Your best bet is to just get a standard pump with the 7/8" X 13 splined shaft and use 7/8" X 13 all the way. This way standard Case, Deere or Ford parts will fit. You can buy all the coupler parts here on the Website for a Ford loader. The original pump on my 3414 was a Cessna/Eaton 2.33 c.i. per rev, # 25504LSA, serial # D971027BB, SAE B two bolt mount with SAE 20 on the inlet and SAE 12 on the outlet (both female ORB). Set up for counter-clockwise rotation when viewed from the drive end. This is the correct pump from Cessna. I used a Webster-Danfoss on mine only because I got a better buy on it. Mine was $280 new. Webster makes pump with the exact same dimensions as the Cessna.


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05-25-2014 18:05:50

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 Re: 3414 Hydraulic pump in reply to jdemaris, 04-18-2014 11:03:14  
Great stuff I have a 3444 same pump.Where did you find the Webster?

Thx Bob

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