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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum

Oliver 1850 info

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Tom Brown

10-05-2003 17:00:09

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Hi, I'm new to this board but I have used the MM board. I'm looking at a 1850 deisel that appears to be in average shape. There is a little oil seeping around the valve gaskets but otherwise looks and sounds sound. Most of my time has been with MM.... I would be very thankful if anyone with 1850 expeirience could share the good and bad things about this tractor. I would be using it for tillage work on my 55 A. vegetable farm. Thanks for your time and thoughts.

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Tom Brown

10-06-2003 18:33:22

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Re: Oliver 1850 info in reply to Tom Brown, 10-05-2003 17:00:09

Thanks to all of you for your comments on the 1850. I'm still considering it. The tractor is on a JD lot and they say 5000 is their bottom $. It has a set of hub mounted duals with it. BUT, the hour meter is broken and unsure how many hours. It's located in western Ohio. Personally, I thinks the price is a bit high. The sheet metal is straight but has surface rust.

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Mark in MO

10-06-2003 07:26:04

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Re: Oliver 1850 info in reply to Tom Brown, 10-05-2003 17:00:09

Tom, Thanks to the GOOD advise I've received by reading on this Board, I just bought a 1967 1850 Gas, new 4 rib rubber on the front, 80% rubber on the back and in over all good shape for $3700. I couldn't be happier. I'm a life long AC owner, and the closer I look at the 1850, the more impressed I am with how it's built. Even my DEERE friends think the 50 series Oliver's are hard to beat. Just my $.02.

Mark Hill
Dearborn, MO

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Ollie

10-06-2003 05:00:16

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Re: Oliver 1850 info in reply to Tom Brown, 10-05-2003 17:00:09

How much are they asking for it? What part of the country is it in?

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earlschieb

10-05-2003 18:57:07

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Re: Oliver 1850 info in reply to Tom Brown, 10-05-2003 17:00:09

I have an 1850 gas, and just like Myron KY, I love it, really a good tractor, and I second the buy it!!!

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Myron KY

10-05-2003 18:03:58

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Re: Oliver 1850 info in reply to Tom Brown, 10-05-2003 17:00:09

If you feel the price is fair, GET IT !!!!!

I bought one last year, primarily to do some rough bush hogging with and as a secondary tractor. Well, it isn't secondary any more. I absolutely love it. Use it for most everything on my place.

It is my understanding that leaking valve cover gaskets were common on that vintage 354 Perkins and is easily corrected with modern gaskets. Another more common complaint is the PTO keeps turning while disengaged. This is also easily corrected with a PTO Brake adjustment. Unless the PTO clutch disks are warped, which will require adjustment or replacement.

Parts are available from AGCO and after-market sources. The 1850 is pretty easy to work on. So far, I've been able to perform my own repairs and I'm no mechanic.

I suggest you also search the Oliver Forum Archives, here, for past problems/fixes and more unbiased opinions than mine. I'm sure you will be pleasantly surprised at the overwhelming pro 1850 posts.

My 2�.
Myron KY

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Brad

10-05-2003 19:00:39

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Re: Re: Oliver 1850 info in reply to Myron KY, 10-05-2003 18:03:58

I agree big time with Myron. Oliver never had a better tractor in that horsepower range. the valve cover leakage is probaly because it most likely has the stamped steel valve cover. The best long term fix is to install the cast iron cover. I've had some problems with a perfect PTO still traveling. Another dealer suggested we install two of the brass thrust washers. worked perfect. The perkins only downfault was the pistons did not take ether very well and thy had a good habit of putting the rings on top of the piston if it was overdone. fortunately, perkins overhaul kits are pretty reasonable and an in frame can be done with no worries. Not trying to scare you off of it, just informing.

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Ollie

10-06-2003 04:11:53

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Re: Re: Re: Oliver 1850 info in reply to Brad, 10-05-2003 19:00:39

There is nothing wrong with the stamped valve cover. The problem is people who don't read the manual who seriously overtighten the bolts, deforming the cover. Myron is correct, just install a new gasket and correctly tighten the valve cover down and it won't leak.

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Bard

10-06-2003 04:41:49

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Re: Re: Re: Re: Oliver 1850 info in reply to Ollie, 10-06-2003 04:11:53

Yes, you are correct overtightening is usually the problem but after someone already bent the heck out of it by doing so, It can be a challenge to get them to seal up. Last time I looked the gasket for the tin cover was more expensive than a used cast cover and gasket.

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Ollie

10-06-2003 04:56:15

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Re: Re: Re: Re: Re: Oliver 1850 info in reply to Bard, 10-06-2003 04:41:49

Good point. Once the gasket rail is bent, they are nearly impossible to straighten.

Hopefully the engine in question simply has a dried up OEM gasket which is easily replaced.

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Myron KY

10-06-2003 05:32:09

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Re: Re: Re: Re: Re: Re: Oliver 1850 info in reply to Ollie, 10-06-2003 04:56:15

Someone please correct me if I'm wrong, but I understood that the head design, of that vintage 354, was one cause of gasket failure. Something about it running pretty hot, causing gaskets to fail.

Maybe I'm just confused. All this talk of "quench area", "flame travel disturbance", "nail valves" and "port and match" has my head in a spin. You guys are talking way over my head. I do appreciate your sharing.

Myron KY

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Ollie

10-06-2003 08:45:23

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Re: Re: Re: Re: Re: Re: Re: Oliver 1850 info in reply to Myron KY, 10-06-2003 05:32:09

The OEM gasket was likely either cork or composite. They don't take heat really well and do dry up eventually anyway, causing a leak. Modern gaskets are made of synthetic rubber (neoprene) and are immune to heat and don't dry up.

In case you ever have to do it... here's a neat trick. Clean the gasket rail with alcohol. Use some tack spray or a tiny amount of contact cement to glue the rubber gasket to the valve cover. Then coat the head side of the gasket with lithium grease, just a little. Torque the cover in place. If you ever have to remove the valve cover again, you'll find you now have a reusable, lifetime gasket.

Not as clever as Myron's Key Saver but it might save you a couple of bucks!

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Myron KY

10-06-2003 09:44:23

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Re: Re: Re: Re: Re: Re: Re: Re: Oliver 1850 info in reply to Ollie, 10-06-2003 08:45:23

Thanks for the tip Ollie. For what these gaskets cost, I'll be saving allot more than a couple bucks. Myron KY

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Shep Va

10-06-2003 05:49:47

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Re: Re: Re: Re: Re: Re: Re: Oliver 1850 info in reply to Myron KY, 10-06-2003 05:32:09

That was my understanding, something about they didnt have enough water jackets in the head, or maybe no water jackets in the head and if you were to turn the fuel up on the tractor that the head gasket would continually fail because of the excess heat. Also the way the manifold and the exhaust pipe ran right up beside the head and valve cover it would put more heat on the valve cover gasket and it would tend to leak right where the exhaust pipe went by.

Corse I dont have a Perkins manuel sitting beside me and I am no "expert", that was just my understanding from running 1850's on the farm.

Shep's World

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