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Cub motor
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- 10+ Years
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- Zip Code: 35475
Cub motor
I have a 57 cub in need of a in fame rebuild. There is a guy that want to trade a cub in on a tractor that i have for sale. He does not no what year it is, just that it is red. He is going to send me the ser. #. I no there was a hp change in the yellow cub. My question is, will all red cubs motor be the same as my 57, or which ones will work?
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- 10+ Years
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65 Lo-boy 19648 with an un-stuck #4 - it lives!!!
144 Cultivators with disc hillers
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59L mower mounted on the Fcub
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Re: Cub motor
I can't believe all the pros haven't jumped all over this....In general, all cub engines are interchangeable - farmall cub, offset loboy, number loboy, but there are external differences between some models that may require you to carry over parts from the old engine. For all practical purposes, the 'long block' is fully interchangeable, even with the power upgrades that came in later years.
If the red cub is round nose, you're in the same age class as what you currently have.
If the red cub is round nose, you're in the same age class as what you currently have.
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- 10+ Years
Re: Cub motor
Wood wrote:I have a 57 cub in need of a in fame rebuild. There is a guy that want to trade a cub in on a tractor that i have for sale. He does not no what year it is, just that it is red. He is going to send me the ser. #. I no there was a hp change in the yellow cub. My question is, will all red cubs motor be the same as my 57, or which ones will work?
Yes, and No, and All of them.
The main answer to your question is: Any cub C60 motor will bolt up to your current tractor. This also includes the C 60 power unit motor.
Wood wrote:My question is, will all red cubs motor be the same as my 57
No. Yes they will all work, but they are not the same. There were many revisions through the years. Some of the last 79' cubs were red. They had all of the upgrades.
Wood wrote:which ones will work?
They will all bolt up but as ntrenn said, "
" There may be external "parts" that may be different, but WILL interchange also.ntrenn wrote:For all practical purposes, the 'long block' is fully interchangeable, even with the power upgrades that came in later years.
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- 10+ Years
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Re: Cub motor
Thanks, so now it does not mater about his ser.# if it is a good running motor, I will get it.
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Re: Cub motor
If it is from a late, numbered series, the crank shaft is not drilled for a pilot bushing, because of a different clutch design. Ed
- AL Farmall Boy
- 10+ Years
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Re: Cub motor
But a Cub LoBoy 154 motor will interchange besides changing the front pulley, air cleaner, etc?? Or is it to "new" to have the older style crank? Reason I'm asking is because I am parting a 154 with an excellent motor, and might keep it if it will interchange with little work.
Regards,
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
- 64/67lo-boy
- 10+ Years
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48 cub
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Re: Cub motor
conecting rod and rod bearings changed at engine serial number 261718. If you are thinking of swaping internal parts.
Pete from Virginia Beach
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- 10+ Years
- Posts: 804
- Joined: Tue Apr 17, 2012 7:55 pm
- Zip Code: 47119
- Skype Name: ntrenn
- Tractors Owned: 63 Cub 221833 in family since '69
65 Lo-boy 19648 with an un-stuck #4 - it lives!!!
144 Cultivators with disc hillers
193 Plow
42C mower
59L mower mounted on the Fcub
23A Disc - lost possession - Circle of Safety: Y
- Location: Indiana
Re: Cub motor
Lots of possibilities going on. If you don't plan on taking the new engine apart, 95% of your troubles are behind you. If you are thinking about swapping parts between engines, get out your billfold, as many of the internal parts, even if they are the same part number may not swap correctly between engines. Many parts were actually select fit when the engines were originally built. For example, there were 4 sizes of pistons to match the different final bore sizes to get the correct skirt clearance. I'm sure there were other places where similar steps were taken.
On the loboy engine, I had 2 A's and 2 B's for pistons. If you know what you are doing, you can make some judgement calls on what is serviceable and still have a pretty strong running engine, if 10hp can be considered strong....
I was thinking about the questions like it was a junkyard engine transplant - just swapping the bare minimum from the old engine to the new one - such as manifolds and accessories. Once you look at the trade, you may actually think about swapping in the opposite direction - off your 'needs rebuild' to your trade in...
On the loboy engine, I had 2 A's and 2 B's for pistons. If you know what you are doing, you can make some judgement calls on what is serviceable and still have a pretty strong running engine, if 10hp can be considered strong....
I was thinking about the questions like it was a junkyard engine transplant - just swapping the bare minimum from the old engine to the new one - such as manifolds and accessories. Once you look at the trade, you may actually think about swapping in the opposite direction - off your 'needs rebuild' to your trade in...
- Bus Driver
- 10+ Years
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Re: Cub motor
My books are buried under some other stuff, so working from memory. About 1953 several significant internal engine changes were made that, in my opinion, made the newer engine considerably better.
Luck favors those who are prepared
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- Cub Pro
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- Joined: Thu Aug 31, 2006 7:00 pm
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5 lo-boys
1 154
1 184
1 IH444
1 Oliver OC3 crawler
1 AC D10
1 IH 100 manure spreader
1 IH model B corn grinder
3 power units
cub demonstrator - Circle of Safety: Y
- Location: Ma. Rehoboth
Re: Cub motor
AL Farmall Boy wrote:But a Cub LoBoy 154 motor will interchange besides changing the front pulley, air cleaner, etc?? Or is it to "new" to have the older style crank? Reason I'm asking is because I am parting a 154 with an excellent motor, and might keep it if it will interchange with little work.
Look at the crankshaft end (rear), if you see a finger sized hole, in the end of the crankshaft, you're ok Ed.
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Re: Cub motor
the later C-60 engine that was mentioned to not have the hole for the pilot bushing in the crank is from a 184 loboy. how ever it is drilled but will not take the same bushing as the older versions . It takes a thinner wall bushing. I have a 1976 std cub with a 184 engine in it. I was able to purchase the correct fitting bushing. The original engine that was in the tractor did not have domed pistons. But did have the proper camshaft. and zeneth carb. The previous owner said it had never been apart. ( original owner) The reason for the 184 engine install was the original engine died of hard water.
Collector of Farmall cubs and cub cadets.Injoy helping people keep their cubs running. Years of experipnce.
- AL Farmall Boy
- 10+ Years
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- Joined: Tue Aug 10, 2010 6:38 pm
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Re: Cub motor
Thanks for the answer to my question guys....sorry to the original poster if I had "hijacked" your thread although I believe all questions have been answered.
Regards,
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
- Dusty B
- 10+ Years
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Re: Cub motor
I was also told that some of the 154 engines were different where the lower radiator hose came back - some were a hole thru the frame, others were open w/the hose exposed?? Have not had a chance to verify that info. Dusty B
Grandpa's '41 B
'56,,'57,'59, Cu'b
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God looks out for those of us who don't know how to look out for ourselves!
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
God looks out for those of us who don't know how to look out for ourselves!
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- 10+ Years
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- Joined: Sun Feb 02, 2003 11:01 pm
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- Tractors Owned: 1975 IH cub,1948 farmall cub,1979 international 3200 skid steer and a 1974 John deere 350B dozer.
- Location: Abbeville Alabama
Re: Cub motor
my engine is like that. But it is a little thicker than the older engines too
Collector of Farmall cubs and cub cadets.Injoy helping people keep their cubs running. Years of experipnce.
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