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616 Onan CCKA verses CCKM |
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4660 |
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Posted: 29 Jan 2024 at 11:34am |
I bought a 616 a while back with a bad engine (actually parts of a bad engine, many parts missing).
When I looked it up, it says they have a CCKA engine. I have found a CCKM engine for sale. What are the differences in the two? Are the dimensions the same, including crankshaft (pulley) size? Is there any reason to stay away from the CCKM engine? My only experience with an Onan was with a John Deere 616 that my wife inherited from an uncle. I couldn't keep coils in it. It would start running on one cylinder and the only way to get it to run on both cylinders was to change ($$$) the coil.
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orangeman
Orange Level Joined: 12 Sep 2009 Points: 1762 |
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WFOwner: CCKM - M was a designation for Military. As I understand it the CCK and CCKM were used by the miltary for gensets and as a portable power source.
This link - see paint -https://www.hobby-machinist.com/threads/onan-cckm-ms-2050g-engine-repair.92144/ HTH's ~ Orangeman
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4660 |
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Does anyone know if the specs (crankshaft size) are the same?
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HudCo
Orange Level Joined: 29 Jan 2013 Location: Plymouth Utah Points: 3528 |
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probley a tapered crank end
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Steve in NJ
Orange Level Access Joined: 12 Sep 2009 Location: Andover, NJ Points: 11780 |
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Curt, I have a spare CCKB long block if that will help ya. $100. bucks if ya want it. Has a flywheel and pulley on it also. Yeah, the 616 came with the CCKA engine. 620 & 720's came with the CCKB engine. This spare engine is missing the intake and Carb and some sheetmetal, but I think if your KA has an intake and carb, I'm pretty sure they interchange on the KB engine. Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4660 |
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Thanks Steve, but all the engine that was with the tractor had was the block, crankshaft, pistons and two valves. The heads, flywheel, manifolds, carburetor, starter, shrouds and a lot of other stuff is missing. I thought of transplanting a Honda a friend has, but the Honda is pretty tired. I saw a CCKM on Facebook Marketplace, so I am thinking of taking a chance on it, but I am curious if it is going to be a big job to change it.
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Steve in NJ
Orange Level Access Joined: 12 Sep 2009 Location: Andover, NJ Points: 11780 |
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Hmmmm..... not familiar with the Military version. I'm not sure if there's any difference or not. Didn't small engine warehouse have a Vanguard kit for the 616-720? I remember a couple of the fellers on here have em' in their Tractors and work quite well.... Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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GRMiller
Bronze Level Joined: 01 Aug 2024 Location: Pa. Points: 1 |
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Hey Steve in NJ Any chance do you still have this? I am interested in it. I am looking for CCKB parts engines and parts
Edited by GRMiller - 01 Aug 2024 at 6:47am |
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Steve in NJ
Orange Level Access Joined: 12 Sep 2009 Location: Andover, NJ Points: 11780 |
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GR, Still have it yet. Sitting in the shed...... Oh shoot! Forgot. Sold the pulley, but the rest is still there. Steve@B&B
Edited by Steve in NJ - 01 Aug 2024 at 10:21am |
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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