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Discussion Forum

Oil Fill Location

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05-09-1999 14:04:42

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Bought a 641 Ford, and just ordered the operators/service manuals. In the meantime, where do you add oil (Non-detergent I assume?)and hydraulic fluid? I feel dumb asking, but not as dumb as ignoring it until the books come in. THANX!! JJ

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05-09-1999 19:57:53

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 Re: Oil Fill Location in reply to JJ, 05-09-1999 14:04:42  
Use 134 oil in everything except engine use Det oil in engine.

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05-09-1999 14:44:34

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 Re: Oil Fill Location in reply to JJ, 05-09-1999 14:04:42  
sorry, service manual says 600 hrs on all three. I wouldn't go that long however. Transmission 4 speed - 6 qts, 5 speed 8 1/2 qts. Hydraulic - 8 qts. Differential 8 qts. So, altogether if you have a 5 speed, changing all 3 is 6 gal and a pint of the universal fluid. They usually sell it in 5, 2 and 1 gal containers. RKS

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05-09-1999 17:37:55

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 Re: Re: Oil Fill Location in reply to RKS, 05-09-1999 14:44:34  
Thanks RKS so much for all of the incredibly helpful information; particularly the information in the first message about mixing the fluids - doubt any of that first hand experience info would even be in the books.

I really appreciate the experienced people who take the time to respond to these unexperienced questions. I intend to continue the tradition. JJ

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05-09-1999 18:21:42

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 Re: Re: Re: Oil Fill Location in reply to JJ, 05-09-1999 17:37:55  
You are welcome and that 601 series tractor is a great little piece of work. My 600 is in good shape, wish it had 5 speed and two stage clutch. Don't put the low octane in it - get the best gas you can. It will pull a 6 ft finishing mower like ringing a bell. Also, before you change all the fluid, make sure the pto seal is not leaking. The seal is easy to replace, about $10 or so, and you can conveniently do it at the same time as the draining. - - Anyway, here is a story you may enjoy, and should avoid if at all possible: several weeks ago, I was pulling up old shrubs at the corner of my house with a chain and my Ford 600. I had been putting off getting a stretch band to hold the "slimmer profile" new battery in the tray, but just kept putting it off. Well, a mere 10 ft from my house, and with a full tank of gas, the battery shifted and the pos terminal contacted the proofmeter cable, the old original metal accordion type. Well, it has a bracing mount holding it in place, guess where? The mount is secured by the same bolt that grounds the neg battery terminal to the chassis. So, I had a brand new dead short "440 full cold cranking amp cigarette lighter." Fortunately, the chain slipped off the bush, and as I was getting off the tractor I noticed the glow and heat. Frantic - I quickly pushed the battery out of contact with the proofmeter cable and blew on it as hard as possible til the thing finally cooled down enough for my heart to start pumping again. If the chain had not slipped, I was pulling the bush back about 30 yards, so a disaster was waiting for me. I was lucky, so lucky. Just destroyed the proofmeter cable, and a new plastic coated cable was about $13. If it had not been grounded where it was, the other end is the hydraulic pump and it would have taken most of the amps. It welded the inside of the cable, and I suppose it could have ruined the hydraulic pump, at least the connection end. And of course, if the fire had just picked up some gasoline fumes, we might not be here to help you. Cheers, RKS

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05-09-1999 14:29:23

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 Re: Oil Fill Location in reply to JJ, 05-09-1999 14:04:42  
and on the non-detergent, get in touch with the owner and see what he used. Good chance that long ago someone started using HD. I have a 1956 600 and I've always used HD, 30 wt and one can of STP each change - didn't even ask the owner. RKS

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05-09-1999 14:26:08

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 Re: Oil Fill Location in reply to JJ, 05-09-1999 14:04:42  
for the oil, there is a round breather cap that sits on a spout on the right side of the engine at the front. It has a notch that allows it to sit in position, so twist it while lifting. That's where you put the oil. When you put it back on, twist until it fits the notch and goes down fully. The hydraulic reservoir fill is under the seat and to the left side of the seat spring, at an angle about 30-40 degrees off vertical. It is a screw in casting about 2-3 inches in diameter and has a "bolt center," and looks just like the one above the transmission and above the differential. One caution: the old seals internally in those tractors don't hold up very well over time, so the fluid is probably going to just mix with the transmission and differential fluids. You may consider draining all 3 and replacing all three with one recommended fluid. A local New Holland dealer, or general tractor parts house will have the fluid. It's probably a good general idea, if the prior owner can't confirm that he has done it recently. I think the manual calls for this every 200 hrs. For me that would be about every 3 years or so. It'll be about $35 or slightly more - ouch! Also, if you are changing oil be sure to unsnap the air breather oil reservoir on the left side at the air intake, clean the dust and grit out of the bottom, fill with oil to the marker, and snap it back on. If your engine oil filter has a conversion adaptor, be careful not to loosen the adaptor when you unscrew the filter. Good luck. RKS

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