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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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2050 clutch

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Fred Whittaker

10-10-2005 09:44:47




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I've got an oliver 2050 with a 2150 engine in it. The problem is that the clutch never seems to last very long in it. We've been using heavy duty button clutches too. I know that the 2150 used a 14" clutch, whereas the 2050 used the 13". Mine has the 13". Would changing over to the 14" clutch make enough of a difference, or is there any other options to help the clutch last longer.

Thanks

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rooster

10-15-2005 01:22:36




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 Re: 2050 clutch in reply to Fred Whittaker, 10-10-2005 09:44:47  
Fred, I just put in a new clutch and pressure plate in my 2150 MFWD. The fingers on the pressure plate failed and I guess they were known to fail because it only had 3 fingers that the clutch release bearing rode on. On mine the release bearing went right through the fingers, but I bought it this way. I put in a new 14" ceramic clutch plate with an upgraded 6 finger pressure plate. The 6 finger also seems to have more spring pressure than the 3 finger. This should solve your problem. I got mine through my local Agco dealer, Tesch Brothers. Hope this helps.

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Fred Whittaker

10-10-2005 13:50:24




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 Re: 2050 clutch in reply to Fred Whittaker, 10-10-2005 09:44:47  
I know that oliver increased the clutch diameter for a reason, but the difference in the output of the 2050 motor and the 2150 motor is not that different. My reason for asking is that if you could get a pressure plate with a higher spring pressure, it would thus increase the forces pressing against the clutch, therefore, increasing the torque resisting frictional forces. There is not that much difference in the output of those 2 engines. I just don't see why they didn't use the 14" clutch in the 2050's also. I could understand if one was built earlier that the other, and they realized that 13" clutch just wasn't enough, but those two tractors were both built in 1968 and 1969. Also, The 1950 (with the 4-53 detroit) used a 14" clutch and they started building them in 1965.

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RAB

10-11-2005 10:23:25




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 Re: 2050 clutch in reply to Fred Whittaker, 10-10-2005 13:50:24  
Fred,
The problem is not one of how much power, but of torque. I would lay money that the turbo engine has much more bottom end grunt. A turbo can be added to either increase the horses (high boost, but not so much torque increase at lower revs - narrow power band) or for modest top end power increase but lots more torque, well down in the rev range, making it much more "driveable".
Compare 1.5 litre grand prix engine at 800 HP with the other end, the now nearly extinct steam engine which has max torque at zero revs. Which one would be best for ploughing your fields?
Regards, RAB

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RAB

10-10-2005 13:28:06




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 Re: 2050 clutch in reply to Fred Whittaker, 10-10-2005 09:44:47  
The answer to your question is yes. That is what Oliver did when they built it. They would not have increased the clutch diameter by 15% if they did not have to!! Could easily have 30% or more friction area increase, without taking into account clamping forces etc.
Regards, RAB



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J. Schwiebert

10-10-2005 11:28:47




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 Re: 2050 clutch in reply to Fred Whittaker, 10-10-2005 09:44:47  
All clutches are rated in pound feet or torque. Whoever you are getting your clutch from ask them what the torque capacity of that cluch cover is. Also if you lug it a little you are making the problem worse. How many springs are in it and what is the rating of each spring? I am sure if they could have figgured out how to handle the torque in the 2150 cluch they would have done it. remember you have a 50 percent larger load on the same diameter cluch as say a 1950T. So how are you putting the extra 50% torque capacity in that 13 inch cover?Questions

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Marc Smothers

10-10-2005 14:16:08




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 Re: 2050 clutch in reply to J. Schwiebert, 10-10-2005 11:28:47  
I would give Peter at South Bend Clutch a call (800)988-4345. They build all kinds of clutches and wow do they do good work. They built mine for my 2-180 repowered with an 8.3L Cummins that I know is putting out a little more than your 2150 engine. I know mine is a 14" but I pull some serious stuff behind it... Just a thought, they are good, and STAND behind their work... Marc



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e

10-10-2005 16:21:17




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 Re: 2050 clutch in reply to Marc Smothers, 10-10-2005 14:16:08  
I've been looking at having them rebuild the clutch plate in the 'ol 1755. I have to agree that the kevlar material is amazing. One of my buddies races formula V race cars. That particular bracket was having some major issues with the rear suspension of the car twisting off a few years ago. It was traced back to the kevlar pads. The stuff holds like no other.



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