WC/WD Pulling Clutch

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   What are you guys using for clutches in your pulling tractors WC/WD?? I am working on one that is gonna put out an insane amout of tourque(400lb/ft) and I was wondering what you guys used to handle it? I was thinking about maybe a multiple disc set-up?? 

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AllisChalmers37 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Jul 2010 Location: London,KY Points: 1846	Post Options Post Reply Quote AllisChalmers37 Report Post Thanks(0) Quote Reply Topic: WC/WD Pulling Clutch Posted: 25 Sep 2013 at 12:45pm
	What are you guys using for clutches in your pulling tractors WC/WD?? I am working on one that is gonna put out an insane amout of tourque(400lb/ft) and I was wondering what you guys used to handle it? I was thinking about maybe a multiple disc set-up??
	1937 WC, 1950 CA, 1959 D14, 1967 190XT, 2006 Ram 3500

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Glockhead SWMI Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 12 Sep 2009 Location: South West Mich Points: 2657	Post Options Post Reply Quote Glockhead SWMI Report Post Thanks(0) Quote Reply Posted: 25 Sep 2013 at 12:54pm
	I know THE MAN and wi50 both have twin disk clutches they made. Nice looking piece.

wi50 Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 24 Sep 2010 Location: weegieland Points: 1010	Post Options Post Reply Quote wi50 Report Post Thanks(0) Quote Reply Posted: 25 Sep 2013 at 2:16pm
	I've made a couple twin disc setups for these tractors in different ways. There may be some pictures posted in some old threads if you can wade through the muck and bs from our forum vi. The tricky part is figureing out the placement and how to hold the ring gear for the OEM starter to work correctly. Next is do you want a light or heavy flywheel? I've got a verry heavy one I built for an unlimeted RPM tractor that I'd try to turn as high as it would go, sometimes to 6500 RPM range. I figured heavy was better as the engine was leaving the starting line at 4500 RPM, had some free time to wind up and build up some energy for when the load hit. I built a light one for a governed RPM tractor for MPH pulling. I just figured I wanted to acclerate the engine as the load hits and I wanted a lighter package to try and acclerate. I can find some pictures of them and post sometime soon if you want.
	"see what happens when you have no practical experience doing something...... you end up playing with calculators and looking stupid on the internet"

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 20496	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 25 Sep 2013 at 6:23pm
	Well, a stock D17 engine makes 200 to 211 ft lbs of torque from 1650 RPM down to 900 RPM and 63 flywheel HP. I've built several AC pulling engines that have made double of both numbers (at no more than 2200 RPM) and have always used a 4 button clutch disc (from a Gleaner K combine) and a WD-45 9-spring pressure plate. My application has never required a 4,000 rpm standing start in road gear, but many times down the track running 3rd gear and have never replaced a clutch yet (15 yrs) and never had one slip either. Your results may vary.

Kip-Utah Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 14 Sep 2009 Location: Southern Utah Points: 872	Post Options Post Reply Quote Kip-Utah Report Post Thanks(0) Quote Reply Posted: 28 Sep 2013 at 11:59pm
	I second the idea of using a WD45 9 spring pressure plate with a good button puck disc. This keeps things simple and should be adequet for your application. Kip
	HANSEN'S OLD ORANGE IRON. Showing, Pulling, & Going!!

jpankey Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 12 Sep 2009 Points: 64	Post Options Post Reply Quote jpankey Report Post Thanks(0) Quote Reply Posted: 29 Sep 2013 at 3:11pm
	MLpankey ran third a lot also like dr allis engine a lot alike with buda rods . He ran a four button until it started slipping on the big end then went down to two buttons .