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100 HP

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Bill

01-05-2003 16:26:15




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What model was the first Oliver over 100 HP?




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Big E

01-06-2003 08:13:50




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 Re: 100 HP in reply to Bill, 01-05-2003 16:26:15  
Just curious, but how close was the Super 99 GM to the 100 HP mark?



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B A Star

01-06-2003 12:46:25




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 Re: Re: 100 HP in reply to Big E, 01-06-2003 08:13:50  
The literature for the Super 99 GM Tractor lists the horsepower as: "Belt Horsepower (Observed and corrected to sea level during factory tests)...80"



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Jon

01-05-2003 18:22:09




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 Re: 100 HP in reply to Bill, 01-05-2003 16:26:15  
The 1950T. It had the 310 Walkeasu with a turbo it produced 105 horsepower.



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WFE

01-05-2003 20:07:38




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 Re: Re: 100 HP in reply to Jon, 01-05-2003 18:22:09  
Good question! Let's see if I can provide a little more detail. The 1950-T was the first tractor to have an Oliver engine that exceeded 100 pto hp. It was produced in 1967-1969 and used a turbocharged version of the 310 cubic inch engine jointly produced and developed by Oliver and Waukesha. Prior to it, the 1950 used a GM 4-53 2 cycle powerplant that also generated 105 hp. Technically, the GM engine was not turbocharged; it was supercharged. It employed a blower which provided intake boost pressure just as a turbocharger, but it is mechanically driven by the running engine via a gear set, belt, or chain; unlike a turbocharger which is driven by exhaust gases. It was first made in 1965, replacing the model 1900, and was produced through 1967, when it was replaced with the 1950-T. So the T had the first purely Oliver engine to exceed 100 hp. Now if we really want to nitpick, we ought not forget the big OC-18, Oliver's biggest crawler tractor which was made even before the Oliver 1950GM in the early 60s. It used a Hercules engine at somewhere around 130 drawbar horsepower I believe which would equate to about 155 hp at the pto if it would have had one. Now if that doesn't make you want one, I don't know what will!

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oliguy

01-06-2003 15:46:20




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 Re: Re: Re: 100 HP in reply to WFE, 01-05-2003 20:07:38  
"Technically" it is refered to as a blower-not a supercharger. It is only used to blow exhaust gases out not to charge the intake. These engines are NATURALLY ASPERATED. They will not run with out the blower. If you can put up with the beautiful music they produce-the are a very tough, long lasting engine.



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A.P.

01-06-2003 02:05:40




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 Re: Re: Re: 100 HP in reply to WFE, 01-05-2003 20:07:38  
Actually the 1900 series c was rated at 102 horsepower. The "A" series was rated under 100. The "B" series may have been rated at either 100 or 102 horsepower. I don't have any literature on the "B" series to say for sure. I know it ran the same rpm as the "C" series and used the same four valve head.

The FDE was the predecessor of the OC18 and used the same engine. It was also over 100 horsepower.

Take care,
A.P.

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redrev

01-06-2003 08:25:17




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 Re: Re: Re: Re: 100 HP in reply to A.P., 01-06-2003 02:05:40  
And to think I started out with a one horse-power horse! I still remember how he used to love to lean against me in the box stall. Never enough to hurt me, but just enough to let me know that he sure could if he wanted to. I sure miss ol Chub and Nelly. They must be responsible for that ol phrase, "what a pair," but I could be wrong.



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WFE

01-06-2003 05:43:58




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 Re: Re: Re: Re: 100 HP in reply to A.P., 01-06-2003 02:05:40  
Thanks for the info. Curiously, upon checking back on the Nebraska Tests, the 1900 series B was tested twice; first in a two wheel drive version and shortly thereafter in a FWA version. Both tractors performed the same tests, but the FWA version in Test # 847 delivered just over 100 pto hp, while the two wheel drive version in Test #824 delivered just over 98 pto hp. Two different tractors of the same model with slight hp differences. The series C does not appear to have been tested at Nebraska but was perhaps identical to series B in motor configuration and settings??

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A.P.

01-06-2003 15:44:48




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 Re: Re: Re: Re: Re: 100 HP in reply to WFE, 01-06-2003 05:43:58  
I would guess the "C" series was close to the "B" series. They both used the four valve head and were both rated at 2200 rpm. I don't know if the cam and injectors were the same but would think so. The 102 hp figure I used for the "C" series comes from Oliver literature. Small differences in rack settings, temperature, etc. could easily account for the differences seen in the testing of the two "B" series tractors at Nebraska. It wouldn't be hard to change injectors and pick up some power.

Actually the twin 880's were probably the first Oliver tractors built over 100 hp (2x63=126!). The Hart Parr 60-100 was probably well over 100 hp on the belt give how under rated the early engines were.

Take care,
A.P.

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Bill

01-05-2003 18:55:42




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 Re: Re: 100 HP in reply to Jon, 01-05-2003 18:22:09  
what is the difference between the 1950 and the 1950T ?



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Jon

01-05-2003 19:02:09




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 Re: Re: Re: 100 HP in reply to Bill, 01-05-2003 18:55:42  
The 1950 T has a turbo. The 1950 doesn't.



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