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Case Tractors Discussion Forum

Are the Rear PTO's for VAC's interchangeable acr

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Hot Rod

02-09-2021 21:05:06

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Hi All,
I just purchased my first Case, a 1948 (by the serial number) VAC. Where the rear PTO should be there is just a flat plate. I found a rear PTO unit off a 1946 VAC...are these parts interchangeable for the different year models? I haven't started looking for 3 point hitch but i know that's next on the to do list. I obviously have much to learn on this new acquisition of mine. Thanks!

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Joe (Wa)

02-10-2021 20:18:02

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to Hot Rod, 02-09-2021 21:05:06  
VACLee is the top dog on VA series here, I know about enough to make a small pimple on his backside but here is some study material so you can understand better the info he has provided and pick his brain some more. I had owned a 1953 VAC-13 for many years and worked on several others but didn't have much to do with the pre 1949 models.

The 1st link is the pre 1949 VA series tractors operators manual that is showing the pre 1949 type pto and hydraulic lift with the high pressure belt pulley driven pump. This is a good manual with lots of info, worth the time to read it all the way through. The hitch & PTO changed in the 1949 model year as well as other items in the VA series tractors.

The 2nd link is a later VA series tractors parts manual. It has a break down of the older hydraulic lift & high pressure pump and the new Eagle hitch lift & low pressure engine gear driven pump. I only see the later PTO but I just scanned quickly. Some pages will have serial nrs at the top that indicates to what years that parts page pertains.


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Hot Rod

02-11-2021 07:11:32

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to Joe (Wa), 02-10-2021 20:18:02  
Thanks Joe, appreciate the info and the guidance on how to view responses as well! I took a quick look at the links and am looking forward to digging deeper into those...lots of good info!

Have a great day, Rodney

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02-11-2021 12:29:56

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to Hot Rod, 02-11-2021 07:11:32  
Wish you were closer as I have several VA series parts tractors so would be able to supply you with anything you need. If you run into other issues during your project feel free to email me. Probably will get a quicker response due to me not being around the computer all the time. Good luck Lee

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02-10-2021 05:25:58

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to Hot Rod, 02-09-2021 21:05:06  
There are two different PTO assemblies for the VA series. One was used up through 1948. Starting in 1949 they changed the design due to interference with the engaging lever and the mounting point for the top link of the 3 pt that was introduced that year. The early style has a longer lever the moves left to right to engage the PTO. The later style has a short lever and a vertical rod that you pull up to engage it. Either one will bolt up but the later style is a little more user friendly even if you don't have 3 pt. There actually is a third style that was used on the VAS and VAH but they will not fit any other models. If you are going to try to mount a factory 3 pt you will have to change the rear end housing as yours will not have the 4 mounting bosses that the rockshaft bolts to. There were some conversion kits at the time, but none of them will be as convenient to use as the factory setup. Where are you located? Lee

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Hot Rod

02-11-2021 07:21:11

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to VACLee, 02-10-2021 05:25:58  
Good morning and thanks for the info. Sounds like I will be ok in putting a PTO from a 1946 VAC on my 1948 VAC. Your info on the 3 point hitch options is also very much appreciated. From the looking I've done i knew there were options but haven't spent a lot of time digging into that yet. We are located about 1.5 hours north of Seattle in the great state of Washington. If you've got any thoughts or ideas on someone in this area that might have parts or spares I'd sure appreciate the guidance. Thanks again and have a great day!

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Bob Bancroft

02-11-2021 07:53:50

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 Re: Are the Rear PTO's for VAC's interchangeable acr in reply to Hot Rod, 02-11-2021 07:21:11  
I probably have almost everything you need, in NY state! Blast! Why does it always turn out like this? I've got a late VAC parts tractor with complete Eagle hitch, I think, except for a hydraulic line.

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