Allis Chalmers 610 re-power

   / Allis Chalmers 610 re-power #1  

Johndeere3720

Padawan Tractor Learner, Advertiser
Joined
Mar 14, 2009
Messages
6,526
Location
NW Oregon
Tractor
Bobcat T62, MT55, E42R, E10, John Deere 4100
In July, I came across a deal and sure enough took it. It included an Allis Chalmers 610 and two Simplicity Broadmoor lawn tractors as well as some boxes of parts and a 36" MMM and a 30" belt driven rotary tiller. Being the tractor fanatic that I am I hauled them home and all of the sudden had a small junk yard behind the barn. :D:cool: So since my first tractor actually was an Allis Chalmers 716 or something like that I picked the AC 610 to be first up to a rebuild/re-power. Originally, I planned to rebuild it, I had 3 lawn tractors, I should be able to get 1-2 in working condition with all the parts plus one of the broadmoor's being dedicated as a parts mower. :) So my project began.......
 

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   / Allis Chalmers 610 re-power
  • Thread Starter
#2  
With the original plan to rebuild an engine, I took to that path. To test the engines, I ended up picking up a new battery.

Total so far:

$40

I also picked up a couple new battery cables

Total so far:

$40 battery
$20 cables
$60 Total

My engines failed the compression test, in fact they all had bad rings.

So I decided to start with the engine from my parts mower. Took it all apart and once I got to getting the engine honed out, I could not locate anyone locally with a hone small enough to get this 8 hp engine back in good order for new rings and such. So I now was at the point of sinking a lot more into these engines than I felt comfortable with. So what did I do? I got a used 15 hp Briggs and Stratton engine for $120.

Total so far:
$40 battery
$20 cables
$120 engine
$180 Total
 

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   / Allis Chalmers 610 re-power
  • Thread Starter
#3  
Today I finally got to installing my new used (well, it has 5 hours on it :D) engine into my AC610. I first made sure everything would align properly, then I took two pulley's off one of my 8 hp engines and matched them up to the 15 hp engine. Once that was done, I set it on the frame and bolted it down. When I removed the tecumseh engine from the 610, i had to pull the clutch pedal pivot out so today i had to reinstall it. It is not a fun thing to put back on.:( Once this was done I hooked up the throttle cable and made sure everything worked smoothly. Now I was at a point where I could not go further without assistance. So my grandpa and i tried what we could to get the electrical working. We have no idea what to do. :( So now that i was at a stopping point at 2 pm, I decided to make the hood fit. Since the 15 hp engine is about 3-4" longer I had to cut part of the grille out plus grind some of the hood to allow the air filter to rest under the hood without any serious rubbing issues. Next I removed the oil dip-stick and replaced it with a shorter one from one of my 8 hp engines so i would have one less modification to do to the hood. I also greased all of the pivot points, one had not been greased in years and was locked up from rust. Luckily i got it freed up without anything breaking. :thumbsup: So far it is doing good, minus the electrical. :(
 

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   / Allis Chalmers 610 re-power #4  
Looking good.Do you have the deck also? That old girl looks heavier built then my 416H.
 
   / Allis Chalmers 610 re-power
  • Thread Starter
#5  
Looking good.Do you have the deck also? That old girl looks heavier built then my 416H.

Thanks! I do have a deck as well as a 30" tiller. It is pretty heavy built, but they are actually pretty light. I think they weigh about 300 lbs with a MMM installed, this one will be more with the bigger engine. :thumbsup:
 

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   / Allis Chalmers 610 re-power
  • Thread Starter
#7  
Thanks Kyle! I still have no clue on the electrical system. :mad::(:confused2:
 
   / Allis Chalmers 610 re-power
  • Thread Starter
#9  
Here is what I got so far. I do have the green hooked up to the blue and an orange hooked to the red. The orange is running from terminal A/G on the ignition switch.
 

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   / Allis Chalmers 610 re-power
  • Thread Starter
#10  
Today we took the 610 out of the shop to see if she would run. Turned the key and it just clicked. The fuel solenoid wasnt engaging so we took it off and it was stuck off. In doing this the gasket for the carb bowl came off and shrunk, so we had to go pick up a new one :mur: ($3.50). Went back and also found out I got the wrong battery as it didnt have the power to start the 15 hp engine. :mur: It was an 18P vs/ a 30. We did get it started by jumping it but I don't want that to be an every day thing. So we go down to the hardware store to return the new battery that was too small and they wouldn't take it,:mur: they would give me $5 as a core charge for a brand new $40 battery so i kept it and still got the 30P for $55. They said because the warranty had already started and was marked on the battery they would not take it back. :mur: So we finally got back and started it up. Ran really rough. Since we don't have a muffler for it yet that thing ran LOUD. :laughing: So we took the carb off and used the air compressor to clean it out. Stuck it back on there, made a few adjustments and it runs great! :thumbsup: Now that it runs, the next item of business is the transmission. I put it into gear and the gears all worked backwards! I had 1 forward and 3 reverse. :mur::laughing: So we looked underneath and the belt was twisted.:mur::laughing: But we got it on right and the gears worked okay. The brakes didnt work very well, neither did the clutch. Then it wouldn't go into gear, it just ground the gears. So we pulled it back and tried to adjust the brakes and clutch. Now the brakes only work in neutral and the clutch is working a little better although we haven't tested it. after all this we called it a day. Hopefully we can get it working right tomorrow. :thumbsup:

Total so far:

Gasket $3.50
New 30P battery $55
other battery $40
engine $120
battery cables $20
Total: $238.50
 

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