moe in wichita ks
i do not know much about case corporate offices. but my pay check said J.I. case. and we built the best trenchers. now they build the best skip loaders as well. i was in the experimental shop and talked to the enginers every day. i saw the bulliten and we changed some large machines over to typ f, they used cessna gear pumps. one enginer and i took a machine outside and for four days temps at 90 to 95 and got it as hot as we could, after word he said that type f was ok. dont tell me i didnt work at case. davis mfg was bought by case in 1968. i was there
Moe,
No one is telling you that you didn't work for Case and I know that Davis was bought by Case in order to add the trencher to their construction line up. Davis made the backhoe that was used by the Outdoor Power Division in Winneconne on the 600 loader/backhoe during the seventies and early eighties.
What was done with large machines that used Cessna pumps at another division is TOTALLY irrelevant to the needs of the hydraulic systems in the garden tractors. Garden tractors and trenchers are two totally different machines with totally different components and totally different needs. Working for another division of J. I. Case does not make you an expert on the garden tractors nor does ownership of a 446 qualify you either.
If you think that type F tranny fluid is the cat's a$$ for your 446, then be my guest and run it until your pump pukes. What I won't ever agree with, is your "advice" that type F transmission fluid is an acceptable oil for use in a Colt, Case or Ingersoll garden tractor's hydraulic system. You will never find a hydraulics engineer at Ingersoll to agree with you.
Every single Operator's Manual published by Colt, Case and Ingersoll spec'd motor oil only for the hydraulics system. That's an indisputable fact. Ingersoll dealers sell 20W40 motor oil that has been bottled specifically for Ingersoll to be sold to customers for the hydraulics system. Other than an Ingersoll dealer, 20W40 is nearly impossible to find anywhere else which is why I recommend using 20W50 or 15W40 Rotella T from Shell or its equivalent. And my recommendation comes by way of my personal association with Bill Parkin who was chief engineer at the Winneconne plant until Eastman moved Ingersoll to Maine.
Go to
http://www.ingersoll-inc.com and write to customer service. Ask them if Ford transmission fluid is an acceptable oil to run in the hydraulic system or not. It's time that you learned the truth.