![]() ![]() products and within the Yesterday's Tractor Co. TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. Who have purchased parts and more for their antique tractor from us!Ĭopyright © 1997-2023 Yesterday's Tractor Co. Has been a leading tractor parts supplier on 800" wide, 2" center to center rivet hole. it takes 24 horsepower to run the "23 GPM" pump at 2200 PSI.Tag for Starter/Generator, 12 Volt, Blank - Comes with 2 rivets. It takes 20 horsepower to run a "15 GPM" pump at 2200 PSI. Horsepower/engine size is another factor. A 15 GPM pump at 1200 RPM puts out a little over 7GPM. To keep cylinder speed at around 4" a second at fairly low engine speeds - a 1.4 cubic-inch-per-rev pump often called "15 GPM" is usually used with dozers and a 2 cubic-inch-per-rev AKA "23" GPM with loaders - OR dozers with rear attachments. Deere tends to use 3" cylinders on crawler-dozers and 4" cylinders on crawler-loaders. The Eaton-Cessna pump prices have gone out of this world.Ībout the pump size. It's a better built pump then the Cessna. Webster-Danfoss makes a direct Cessna replacement with a cast-iron center housing. ![]() Last year, those pumps were available brand new for $200 and for that price, paying over $100 for kit isn't usually cost effective unless the pump is perfect. Used to cost $28 - seems to have gone up. The kit will come with a new spider gasket and thrust plate. #2 - if the spider gasket is blown that goes against the metal thrust plate. #1 - when the gears and housing are worn and there is too much clearance. Generally speaking though - there is no way for the pump to lose capacity other then two ways that I know of. I contacted knight hawk and ordered complete rebuild kit $118 and will see how it goes. The gears and shaft look good with no visible signs of wear so I'm guessing it has something to do with worn out internal seals plates etc. The pump isn't leaking its loosing pressure when the oil gets hot and the backhoe slows way down. Outback farm wrote:Thanks for the feedback. Somewhere around 2.1 cubic inches per revolution. The Deere AT38801 is a direct bolt-in replacement for the 1010 crawler-loader pump. When the 1010 was new it came with either a Webster-Electric (AU11551U) or a Cessna (AU11949 U). 15 GPM pump - Cessna # AT11608Tġ010 crawler-loader or dozer with rear attachments came with a bigger 23 GPM pump with a 7/8" X 13 spline shaft. what size splined shaft?ġ010 crawler-dozer came new with a smaller approx. Main thing to know is which pump is your crawler set up for? I.e. The 1010 uses a generic SAE pump two-bolt mount - same as used by Allis Chalmers, Case, Ford, Oliver, Massey Ferguson, etc. You can buy a brand new pump for $200 if you shop around. When the shafts and bearings get worn, and/or gear faces scored, pressure works its way out the front shaft and pushes out the dust seal - and leaks. That seal is not designed to hold any pressure. When a Cessna gear pump is worn out beyond repair, it keeps blowing out the front shaft seal. The kit is for situations when the pump isn't worn -but somehow the seals get blown - which is rare. If the pump shafts, bearings, and/or housings are worn - there is no way to renew it. That seal kit is stocked by my local Deere dealer. Of course my JD parts guy tells me most of the parts for this pump are unavailable.ĭoes anyone know where I can find the complete seal kit for a Cessna 24509LBZ Deere part # AT38801? From what I can find its off of a 350 or 450 Deere Dozer. It turns out it is a Cessna 24509LBZ (AT38801). the pump on the machine is NOT the original (Cessna AT11068)!!! I did the home work and ordered the parts from Deere out my parts catalog, No problem all in stock ect. Outback farm wrote:I decided that the hydraulic pump on my 1010 crawler needs rebuilding. ![]()
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