D grader identification

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   Hey, I just bought a d grader, was wondering what year it would be. D-5592 is serial no.  And is round tube. Was told engine made noise, but ran. Compression was 100 in 3 cylinders only 50 in #2. What engine would this be? Engine has am3853-5 on side under distributor. Thank you!

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Casperpuller Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 15 Jun 2013 Points: 26	Post Options Post Reply Quote Casperpuller Report Post Thanks(0) Quote Reply Topic: D grader identification Posted: 06 Nov 2020 at 3:30pm
	Hey, I just bought a d grader, was wondering what year it would be. D-5592 is serial no. And is round tube. Was told engine made noise, but ran. Compression was 100 in 3 cylinders only 50 in #2. What engine would this be? Engine has am3853-5 on side under distributor. Thank you!

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DiyDave Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 50487	Post Options Post Reply Quote DiyDave Report Post Thanks(0) Quote Reply Posted: 06 Nov 2020 at 5:36pm
	Per Wendel, its a 1959. G226 motor, same as in a D-17...HTH
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DonBC Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Courtenay, BC, Points: 899	Post Options Post Reply Quote DonBC Report Post Thanks(0) Quote Reply Posted: 07 Nov 2020 at 3:16pm
	I too bought a 1959 D grader. I ran so badly it could hardly pull it's self in 4th gear. The engine ran rough so I pulled the head to get a look at the valves and sleeves. The sleeves had a noticeable ridge at the top and a slight scratch on #4, possibly a broken ring. Had the head rebuilt with a new rocker arm shaft, replaced two burn exhaust valves and one rocker shaft post that had been broken and brazed together. The engine now ran smooth and had good power but still burned some oil and regularly fouled #4 plug. Electronic ignition kept the plugs a little cleaner so I never did any more work on the engine while I owned it.
	Jack of all trades, master of none

Casperpuller Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 15 Jun 2013 Points: 26	Post Options Post Reply Quote Casperpuller Report Post Thanks(0) Quote Reply Posted: 07 Nov 2020 at 5:10pm
	So we pulled the engine apart today, had 2 rocket shaft stands broke. #2 cylinder had excessive water damage, all cylinders had a groove at tdc probably where loose fitting pistons rocked in bore. But #3 piston has .070 play up and down, so rod or wrist pin is gone. Got everything off, pulling it tomorrow. I wonder if someone transplanted a 45 engine? It had obviously been tampered with as some install stuff was cobbed, bolts not correct etc. Side of block says 45-18667-g. Would that be a wd45 engine?

DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 19473	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 07 Nov 2020 at 5:18pm
	WD-45 engine serial number would indeed be 45-XXXXX and is a W-226 engine. The G-226 engine from a D-17 tractor serial number would be 17-XXXXX. While they appear to be the same engine, they are not, as the G-226 has larger diameter main bearings so the block and crankshaft are different.