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powertech84 
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Location: Wisconsin
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 Topic: d201 leroi progress
Posted: 30 Jan 2011 at 7:18pm |
I accidently stumbled on the long lost carb for my d201 this morning, and it inspired me to get some more work done on the engine. I finished the bottom end and got it off the engine stand. All thats left to do is double check my mag, put the valve cover on and a flywheel/starter and i should be able to see if it will make smoke. Then the "plan" is to put it in the wc so i can dyno it, and then back in the chopper. This project has been going on longer than i'd like to admit and it feels good to see the light at the end of the tunnel.
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Brian Jasper co. Ia
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Location: Prairie City Ia
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Posted: 30 Jan 2011 at 8:16pm |
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You're a little bit farther along than I am with my 262 diesel. Just found out tonight that four of my ARP head studs are about an inch too short. Soon as I get the correct ones I can put the rockers on and bolt it back in the tractor. It got pulled apart a year ago in Sept.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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wi50
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Posted: 30 Jan 2011 at 10:41pm |
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I like the old LeRoi engines, some things identical to the Allis, and some things are just verry similar.
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"see what happens when you have no practical experience doing something...... you end up playing with calculators and looking stupid on the internet"
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HagerAC
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Posted: 30 Jan 2011 at 10:48pm |
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We have got a couple of those lying around here, very similar to A-C in a lot of respects.
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30+ A-Cs ranging from a 1928 20-35, to a 1984 8070FWA, Gleaner R52
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Brian Jasper co. Ia
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Posted: 30 Jan 2011 at 11:24pm |
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So what is really different? Did they just choose some parts from the A-C bin and assemble an engine? Mitch has commented about them having stronger connecting rods in the past.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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powertech84
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Posted: 31 Jan 2011 at 6:38am |
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The only difference in the connecting rod is its a floating wrist pin. Thats pretty much the only big difference i found.
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mlpankey
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Posted: 31 Jan 2011 at 1:19pm |
The 226 Leroi with the Lerio combustion chamber head has a half inch longer rod . I will post the picture of the rod again tonight beside the allis 7.5 long rod.
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mlpankey
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Posted: 31 Jan 2011 at 4:52pm |
Heres visually the differences . I recon I am Rodney Dangerfield.
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Brian Jasper co. Ia
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Posted: 31 Jan 2011 at 5:16pm |
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Looks like the beam is heavier along with the floating pin and length. What else besides the combustion chamber? Seems kind of odd that LeRoi made such a change. Too bad there is probably no one left engineer wise from LeRoi who could tell why they made the changes they did. Seems like the 201 was pretty good right from A-C.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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mlpankey
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Posted: 31 Jan 2011 at 5:20pm |
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gov.weights are heavier and takes a heavier gov . spring . When the lerio gov spring is used with the allis wc gov weights the governed rpm is 3000
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powertech84
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Posted: 31 Jan 2011 at 5:32pm |
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Whats a wd have for engine hp? Was just reading through my leroi manual and it claims the d201 should make 43 at 2000. The only difference is the carb, so i wouldn't have thought it would be that much.
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Zyta
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Posted: 31 Jan 2011 at 8:49pm |
Mlpankey, what kind of rpm's due you get out of a gleaner E 226 engine when you use the gov spring out of a 226 Lerio. I have a 226 Lerio wondering if it would be good to interchange some parts maybe even the exhaust manifold?
Jim
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mlpankey
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Posted: 01 Feb 2011 at 8:35am |
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I never used the gleaner gov . so I couldn't say and be certain . I know that Louis Haney says the parts book shows all the replacement gov weights being the same . Dr Aliis posted on here that there was some differences. I don't know that to be certain either both men are intelligent.I used wc govenor got 3000rpms when using the Leroi spring when using the 175 spring on the wc gov. i got 2000 Based on my experience i would say you would get the same.
Edited by mlpankey - 01 Feb 2011 at 8:36am
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mlpankey
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Posted: 01 Feb 2011 at 10:29am |
 powertech84 wrote:
Whats a wd have for engine hp? Was just reading through my leroi manual and it claims the d201 should make 43 at 2000. The only difference is the carb, so i wouldn't have thought it would be that much. |
The Leroi 226 posted the hp ratings of a d17 tractor engine but Leroi claims were at 1200 rpms. Things were engineered stronger in the Leroi for a reason. I believe wi 50 once posted that a longer rod could have less beam width and be stronger than a shorter rod but I have never visually seen a rod with that type of engineering . . They all usually appear visually to me as the ones posted above. Tractor data posts 33.6 hp at 1400 rpm for the wd.
Edited by mlpankey - 01 Feb 2011 at 10:33am
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powertech84
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Posted: 01 Feb 2011 at 5:14pm |
Dont care about the 226. My leroi engine is a 201, no fancy canted rods.
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mlpankey
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Posted: 01 Feb 2011 at 7:52pm |
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well i guess you will just need to dyno the 201 . Cause i only know the horsepower rating for the 226.
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Zyta
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Posted: 01 Feb 2011 at 8:02pm |
Mlpankey, what do think about the 226 exhaust manifold incomparison to the D-17 or gleaner E manifold.
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Dave in il
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Posted: 01 Feb 2011 at 8:02pm |
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Was the LeRoi tractor company the one liscenced to build these engines and could the reason the were beefer than the AC version have anything to do with being used as an air compressor?
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Zyta
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Posted: 01 Feb 2011 at 8:03pm |
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alot of them used as power units could be.
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mlpankey
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Posted: 01 Feb 2011 at 8:06pm |
Zyta wrote:
Mlpankey, what do think about the 226 exhaust manifold incomparison to the D-17 or gleaner E manifold.
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alot of them were ran on propane and the propane leroi are better intakes.
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mlpankey
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Posted: 01 Feb 2011 at 8:12pm |
Dave in il wrote:
Was the LeRoi tractor company the one liscenced to build these engines and could the reason the were beefer than the AC version have anything to do with being used as an air compressor? |
yes but they were still rated at more hp at less rpms , a 125cfm air compressor is a load for 45 hp at any rpm. needs the 53 hp at 1200rpm . I have a sullair screw air compressor as well as my lerio both 125 cfm but the screw has a 192 ford engine and turns 2200rpm @70hp
Edited by mlpankey - 01 Feb 2011 at 8:13pm
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Zyta
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Posted: 01 Feb 2011 at 8:15pm |
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The 226 I have is a gasser and still has the carb set up on it. Its a power unit off a bean picker. Between the Gleaner E and the Lerio their nice power combination.
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mlpankey
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Posted: 02 Feb 2011 at 5:03pm |
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which one zyta did you increase carb size on.
Edited by mlpankey - 02 Feb 2011 at 5:04pm
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Steve M C/IL
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Posted: 03 Feb 2011 at 8:59pm |
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Just wondering if Leroi's were flywheel hp VS AC pto?
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Unstylish
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Posted: 03 Feb 2011 at 9:54pm |
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Leroi's had a different cam than a wc-d17, and the main thrust bearing was different. There were other differences too, but nothing spectacular.
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deereequipment1
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Posted: 25 Apr 2011 at 8:04pm |
powertech84 wrote:
Dont care about the 226. My leroi engine is a 201, no fancy canted rods. |
Hey Powertech.
Does your Leroi 201 have a plate on the right side like a WD 201 engine does?
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deereequipment1
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Posted: 25 Apr 2011 at 8:05pm |
powertech84 wrote:
Dont care about the 226. My leroi engine is a 201, no fancy canted rods. |
Hey Powertech.
Does your Leroi 201 have a plate on the right side like a WD 201 engine does?
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deereequipment1
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Posted: 25 Apr 2011 at 8:14pm |
YES YES YES>
thanks you Powertech.
The photos are great!
I have this same engine in a WD45 that I just bought.
It has the same coolant manifold, with no thermostat in it.
It has the same oil filter housing.
It has the same little plate underneath the oil filter housing.
It has the shorter head on it, as a WD 201 engine would, and I was thinking I had a WD45 engine, with a WD head, because I didn't have the big plate on the side of the engine that the WD had.
Now I know I have a D201 Leroi!
Thank you!
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