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Re: DANGIT! The JD445 is down.
[Re: Bullfrog]
#7494588
04/23/19 12:22 PM
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Joined: Jan 2014
Posts: 12,768
Paluxy
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We’re installing his Hayabusa engine this weekend. No worries This should make mowing a breeze
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Re: DANGIT! The JD445 is down.
[Re: TCM3]
#7494591
04/23/19 12:26 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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OP
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Probably. They switched to steel mid ‘98. The tractor is a ‘98 model.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: dkershen]
#7494597
04/23/19 12:32 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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Good news is, looks like an easy rebuild.
Easy and Rebuild are not terms typically used back to back. Good luck with the overhaul. Glad you got it diagnosed. Well it’s an aluminum motorcycle engine so it’s not too heavy. And I’ve got an expert mech beside me. This won’t be a total rebuild. Just enough to replace the cam. I expect a stripped plastic cam gear and maybe a couple bent pushrods. This is my strong hunch. But we have to do this to confirm. Then we do this if confirmed. I’m not giving up on this tractor. Never seen one run better or longer. Fix this and it’ll run another 22 years. I have rebuild a few engines and enjoy the instant gratification it provides. In my present garage too, so I’ve got everything we need right there.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7494639
04/23/19 01:14 PM
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Joined: Dec 2008
Posts: 41,206
J.G.
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Cast, I'm a Deere fan. I've got a 1977 4430 (130 HP), a 2005 260 Skidsteer (80 HP) and a 2005 ZTR with a Kawasaki engine. They've all been very good to me. I don't blame you one bit for fixing this tractor.
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7494662
04/23/19 01:28 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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I took the 445 to the dealer last year for the cheap service deal they offered. When it pulled in their barn and shut down everything stopped while the guys gathered around it. It’s been garage kept so it still is in very good shape. They loved it.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: dkershen]
#7494873
04/23/19 05:18 PM
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Joined: Jan 2011
Posts: 65,534
SnakeWrangler
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Good news is, looks like an easy rebuild.
Easy and Rebuild are not terms typically used back to back. Good luck with the overhaul. Glad you got it diagnosed.
I believe in science and I’m an insufferable [censored] Actually, BBC is pretty damn good "You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7494882
04/23/19 05:35 PM
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Joined: Oct 2004
Posts: 39,568
redchevy
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Its been since high school since ive had a lawnmower engine apart, but they aren't that complex.
It's hell eatin em live
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7494884
04/23/19 05:41 PM
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Joined: Mar 2019
Posts: 19,153
TCM3
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Just be sure to measure the inner bearing that the cam journals ride in, Kawasaki mostly used the bare aluminum from the block as the bearing..
Do not forget to entertain strangers, For by so doing some have unwittingly entertained angels Hebrews 13:2 (R-TX)
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Re: DANGIT! The JD445 is down.
[Re: redchevy]
#7494885
04/23/19 05:42 PM
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Joined: Mar 2019
Posts: 19,153
TCM3
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Its been since high school since ive had a lawnmower engine apart, but they aren't that complex. You ever took apart a Honda SOHC single cylinder engine? Talk about over kill for a lawnmower
Do not forget to entertain strangers, For by so doing some have unwittingly entertained angels Hebrews 13:2 (R-TX)
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7494890
04/23/19 05:50 PM
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Joined: Jan 2011
Posts: 21,373
Bullfrog
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My Dad’s sheered the pin on his Craftsman mower. B&S engine. I thought that flywheel would NEVER come off. Broke a puller hook on one set, had to by another beefier one. Crank crank crank then POP!
Man if I knew what Oxner knows I could throw away what I know
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Re: DANGIT! The JD445 is down.
[Re: redchevy]
#7494892
04/23/19 05:51 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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Its been since high school since ive had a lawnmower engine apart, but they aren't that complex. Not your typical mower engine. Twenty four hp Kawasaki engine.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495092
04/23/19 10:38 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495109
04/23/19 11:12 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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We have valve strikes on both sides. Or just valve rub. Just enough to remove carbon. Matching marks on exhaust valves. Am I concerned beyond checking for bent valve stems. Top right quadrant. Silver line. I rubbed the mark on the other piston and it pretty much wiped away. No metal impression.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495114
04/23/19 11:32 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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I’ll tell you what! If I didn’t know better, from looking at all the plastic gears in this engine, I’d be thinking that it’s a POC. The water pump drive gear fell apart on us too. I’m replacing them all.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495116
04/23/19 11:35 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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My JD Tech buddy says the marks are ok. Just check for leaking valves using the antifreeze leak test on the upside down heads.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495210
04/24/19 01:46 AM
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Joined: Sep 2007
Posts: 4,294
oldoak2000
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I’ll tell you what! If I didn’t know better, from looking at all the plastic gears in this engine, I’d be thinking that it’s a POC. The water pump drive gear fell apart on us too. I’m replacing them all. Wow - plastic in all the wrong places:(
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495267
04/24/19 02:55 AM
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Joined: Apr 2009
Posts: 6,111
pdr55
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How many hours on that unit Cast ? It looks like a new one.
If you`re running down my country, man, You`re walking on the fighting side of me. (Merle)
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Re: DANGIT! The JD445 is down.
[Re: pdr55]
#7495346
04/24/19 11:08 AM
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Joined: Oct 2007
Posts: 19,254
TEXASLEFTY
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How many hours on that unit Cast ? It looks like a new one. Under 700
Never been to a camping world. I prefer Dick's to be honest.
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495479
04/24/19 02:25 PM
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Joined: Mar 2019
Posts: 19,153
TCM3
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What do the cylinder s look like?
Do not forget to entertain strangers, For by so doing some have unwittingly entertained angels Hebrews 13:2 (R-TX)
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495502
04/24/19 02:44 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495504
04/24/19 02:49 PM
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Joined: Aug 2005
Posts: 17,117
MikeC
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Those plastic gears don't give me a warm and fuzzy feeling about the Kawasaki engine on my ZTR.
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495537
04/24/19 03:27 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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Well, as I said earlier, this thing racked 690 hours over 20+ years and this is the second time it quit. Run it like you stole it. I ran this one over 60 acres of native grasses before I bought the 4720 to do that job. I really took it out of its element into those virgin grasslands. Those plastic gears held up. Your engine won’t have a plastic cam gear unless it’s an old ‘98 or earlier engine. Find the bar code sticker on the engine. Mine is a BS01 model. The parts guy can tell you if you have plastic gears.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: MikeC]
#7495553
04/24/19 03:44 PM
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Joined: Mar 2019
Posts: 19,153
TCM3
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Sure got that garage cleaned quick 😁
Last edited by TCM3; 04/24/19 03:45 PM.
Do not forget to entertain strangers, For by so doing some have unwittingly entertained angels Hebrews 13:2 (R-TX)
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Re: DANGIT! The JD445 is down.
[Re: Cast]
#7495785
04/24/19 07:43 PM
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Joined: Dec 2008
Posts: 22,630
Cast
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I still need to organize. There’s a nice assortment of tools scattered in that mess.
Cast I have a short attention spa
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Re: DANGIT! The JD445 is down.
[Re: J.G.]
#7495913
04/24/19 09:50 PM
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Joined: Jun 2011
Posts: 34,025
Buzzsaw
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It’ll crank but not fire or sputter. Like the coil wire was pulled. ...or the seat switch is activated. Gonna check that. The fuel is good Ethenol free fresh gas. I will say again, fuel filter. You have spark, and air, that leaves one thing... fire extinguisher
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