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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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1650

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henryv11

04-29-2021 06:18:35




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When did Oliver switch from the hydro power to the over/under unit. Were they both available at the same time?
Thank you




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rc1855

04-30-2021 19:55:19




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 Re: 1650 in reply to henryv11, 04-29-2021 06:18:35  
Purdue University had a 105 that had a hydra power and not the over/under



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NYOlivers

04-30-2021 05:34:11




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 Re: 1650 in reply to henryv11, 04-29-2021 06:18:35  
I was under the assumption also that the hydraul/shift over under was introduced with the 1950T. There are serial numbers for 1967 1950T's. I guess the question is when in 1967 were they available? I have a 1750,1850,1950T all late production 1968 models all diesel all with over/under's. I also know of a 1650 gas with a over under. I am not sure if the year on that tractor. So yes the hydra-power 2speed and hydrual-shift over/under 3speed were available at the same time.

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RCP

04-29-2021 09:49:39




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 Re: 1650 in reply to henryv11, 04-29-2021 06:18:35  
I believe that the over/under was released around 1968, and they were both available at the same time.



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Cash4Toys

04-29-2021 16:49:21




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 Re: 1650 in reply to RCP, 04-29-2021 09:49:39  
First used in 1967 with the introduction of the 1950T.
Nebraska test 969,in November of 67, 1950T had the over/under in the specifications



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J. Schwiebert

04-29-2021 20:15:31




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 Re: 1650 in reply to Cash4Toys, 04-29-2021 16:49:21  
Wait a minute! The over - under was not available in the fall when the 1950T was introduced!



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Cash4Toys

04-30-2021 05:07:12




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 Re: 1650 in reply to J. Schwiebert, 04-29-2021 20:15:31  
I don't know what to tell you, other than that Nebraska Test #969 on an Oliver 1950T Serial #196479, has a date of test being performed between the dates of November 13-18, 1967. You can see in the test that it lists the travel speeds in each selected gear. There are 18 speeds listed in the specifications, and in the Maximum Power Without Ballast chart, it lists pulling in 2nd gear over drive, a 3rd gear over drive, as well as in 1st and 4th. So that pretty much tells me its a 3spd. I attached a link to the test;

https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1569&context=tractormuseumlit

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NYOlivers

04-30-2021 08:30:14




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 Re: 1650 in reply to Cash4Toys, 04-30-2021 05:07:12  
I agree with your statement that the test tractor would have been equipped with a 3speed. I was just looking at Agcopartsbook.com on my lunch. For the 1950T model They do call out a hydra-power and hydraul-shift parts breakdown for each. So they were both available.



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J. Schwiebert

04-30-2021 07:21:32




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 Re: 1650 in reply to Cash4Toys, 04-30-2021 05:07:12  
Just thinking about the first 3 1950T tractors we sold. All were sold before that November date and all had hydra-power units> two of the 3 tractors are still around here and the third one his last new tractor before the new 1950T was a Hart-Parr 70!. All 3 owners are dead.



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NYOlivers

04-30-2021 08:23:30




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 Re: 1650 in reply to J. Schwiebert, 04-30-2021 07:21:32  
J. So I would think the early T's had hydra-powers then. I wonder if there is a serial number break in the parts book for it.



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Cash4Toys

04-30-2021 10:51:19




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 Re: 1650 in reply to NYOlivers, 04-30-2021 08:23:30  
I went through the parts book (s) on this yesterday, when I first saw this post and again today. I think because it was an option, and both HPD and O/U were offered, there is not a defined serial number break. So, looking into this further, when I looked at the control linkage, the linkage shows a 1950T serial of 194080-204611 for the first style incorporated with governor control on the instrument support panel. This would mean then the last 5,259 1950T's built in 67, at least had the option to have O/U installed. Going a little further, (curiosity killed the cat) I looked at the 1750's as well. Interestingly, I found that from 1750 serial number 185191 that same O/U control is used, as is the O/U.
The first 1750 built in 67 was serial number 185301, so after the first 110 1750's built in 67, they could have had O/U installed. Some of this information came from some Oliver Heritage documents, Serial #'s anyway, so don't shoot the messenger. Until yesterday, I guess I was always under the guise that the 1750 used the O/U first, but researching some old Heritage information it looked like the 1950T was. I think it was the way it was worded. What do you think?
Perplexing, don't you think?

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NYOlivers

04-30-2021 11:25:42




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 Re: 1650 in reply to Cash4Toys, 04-30-2021 10:51:19  
That is some good info. I didn't have a lot of time to dig deep into the parts books today. I like posts like this it keeps things interesting. Came up with alot of good info it got people to use there minds and resources!!



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B A Star

04-30-2021 19:51:24




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 Re: 1650 in reply to NYOlivers, 04-30-2021 11:25:42  
   I'll throw on some more wood on the fire!   Looking at the parts books, the first 1650, 1750 & 1850 that were equipped with O U Drive was Serial Number 185 191.   First tractor Serial Number for 1967 is 183 649 & last is 200 216, thus 16,567 tractors was built in 67.   Divide 16,567 by 12 months = 1,380 per month.   183 649 + 1,380 is late January, thus first O U Drive is early February 1967.

   First 1950T with O U Drive is 194 080 also 1967.

  As some on here know, being a former Company employee & having done extensive research on Build Cards.  A dealer could order a tractor with either Hydra-power or O U drive all the way through the 55 Series.  The Q column on a build card is the clutch & accessories.  There are code numbers for both Aux trans all the way through 55 Series.   note: 1655 the Aux is included in the C column, Transmission & Final drive.   As an example, 1950T Q codes are: 412 for clutch & Hydra-Power, 413 is clutch & creeper drive, 426 is clutch & Hydra-Power drive for Wheatland, 427 is clutch & O U drive & 428 is heavy duty clutch & O U drive.

  I was the Assistant Service Mgr., Omaha Branch in 1967.   I made a cutaway of the new O U Drive that we used for meetings & open houses.  I was also part of the team that did dealer & customer introductions for the new 1750 & the D I diesel engine in the 1650.

  We had a couple of dealers that remembered the 880 power booster days, thus did not want either aux drive.   We had a person in the warehouse that removed a couple of Aux drives & installed straight drive shaft to fill orders, if I remember correctly both dealer contracts were cancelled soon after.

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Cash4Toys

05-01-2021 06:11:25




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 Re: 1650 in reply to B A Star, 04-30-2021 19:51:24  
That's pretty interesting, you added context with the addition of the dates/months. So, given the O/U was available that early in 67, there must have been a short supply of the O/U? Would you by chance know when the 1st 1950T was built? Curious as to why some 5,000 + were built prior to the option. I did not realize that there were people afraid to try the O/U or the Hydra power, your last statement kind of threw me there, but then again I was never around many of them (880's) A friend had one, spring of 67, only had it for about 5-6 months, traded it in on an 1850, do to an increase in land availability.

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