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134 versus 172 engine block

W

Will Gumbert

Member
This question has probably been asked and answered here before but still...

Are the 134 Workmaster and 172 Powermaster engines interchangeable? In other words, if swapping the basic engine block, would all the accessories like intake/exhaust manifold, air cleaner, water pump, etc all bolt up correctly? Are the flywheels the same?

Will
 
From what I understand if you use a complete engine as in water pump hyds manifold they will swap but I do not think things from one will bolt on the the other like the water pump. Or in other words I thing the manifold etc are different between the 2
 
same bolt on parts.. water pump included.. manifolds are same bolt pattern.. new ones are the universal ones anyway..

same gaskets.. etc.
 
"134 Workmaster and 172 Powermaster engines interchangeable"

I am going to assume you are referring to the 134 in a 601 Workmaster and the 172 in an 801 Powermaster (gas models). Both tractors used the Ford Red Tiger engine. Only difference was the pistons and block. Pistons was 3.5 vs. 3.9 dia. Block was the bore. However from what I understand the smaller bore could not be bored out to the larger as they had the same wall thickness for the different bores. Everything else, crank, cam, rods (internals) and everything external was interchangeable. That said, some will argue heads were different, but they did interchange fit wise.

One other note I would make is; there were several changes over the 10-11 years (53-64) these engines were used in tractors. Groove size for oil seal when they went from rope to rubber, sleeves to sleeveless, 7/16 vs. 1/2 head bolts, spin on oil filter, stuff like that. So you will need to order parts based on the year of the engine, not necessarily the tractor.
 
Thanks, Errin. The things you mentioned could be important to me. I have owned a 1962 4000 light industrial for 10 years and it's been a great tractor, but recently, since I started to visit this website, I became interested in knowing more about it since it's a neat old tractor. I visited John Smith's old Ford site and, found how to ID the engine casting codes. Then when I looked at my engine, I found it had a code CONN 6015C. This means it is a 134, not a 172 as I had always believed. I was really shocked and kinda sad at first but after I thought about it, well it's still a good running engine and it works the loader just fine.
But does this mean I really have a 2030 instead of a 4030?
 
The manifold on the 134 is smaller but will bolt up to the 172 and work. The 172 gives you more air flow. Been there, done that. Same with the head. Naturally you would lose hp by using the smaller parts on the bigger cu in block. I was going to bore out the 134 to 172 but was told by the machinest there wasn't enough meat. I now have a 134 cleaned, hot dipped and checked for cracks sitting on the floor unused.
 
most of the time the 4xxx machines have heavier axles and rear than the 2xxx.. I'd say you have a 4030 with a repowered lower hp engine..

soundguy
 
Yes, mine has the heavier axle. It also has the carb and air filter setup from the 172. To look at it, you"d swear it was a 172 except if you look closely at the block casting #.

Will
 
I'd say the upside is you have had this "underpowered" tractor for 10 years and never knew the difference. Think of all the gas you saved with the smaller engine!
 
Hello Will , You have a 172 engine NOT a 134 . Your tractor is probably a very early 1962 tractor with a low 1962 serial number , with a leftover 1961 block in it . Your model number stamped in the trans should be 40303 if it has 4 speed with 3 point and pto . Serial number should 155531 to 171500 for a Red and Buff (yellow) Light Duty Industrial . Thanks Tony
 
Tony-
Thanks for the info. But I'm still not sure...

The model # stamped on mine is 40301 (but it does have the hydraulics and the PTO and the hitch has Cat 2 balls - go figure!) and the serial number is 142064 with diamonds on each side. This would mean the tractor was built in mid-1961 I believe.

Can you tell me whether it is a 172 and why it would have the hydraulics and pto with that model #?

Any info would be greatly appreciated.

Will
 
Hello Will , You don't have to be sure but I am , you have a 172 engine . If you look at the oil filter you will see an adapter plate installed by Ford to use a spin on oil filter on a block designed for a canister style oil filter . Your tractor was built in April of 1961 ,a 40301 originally built without 3 point and pto the dealer or a later owner could have installed the 3 point and pto . Thanks Tony
 
Hi Tony-
That's very interesting. It does have a spin-on oil filter. I guess I thought that the number cast into the block would be the final word. But I do accept what you say and will assume that it's the bigger engine. For the maintenance I do on it, it won't make any difference I guess. And the tractor has always seemed to have plenty of power.

Thanks again!

Will
 
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