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#4703197 - 03/22/18 01:12 PM What do you recommend for a '77 IH hydrostatic
andyd Offline


Registered: 09/25/04
Posts: 7282
Loc: Marshfield , MA
lawn mower. The original spec was called Hytrans. I used some universal stuff from TSC. Not impressed with the performance. TIA
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'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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#4703250 - 03/22/18 02:01 PM Re: What do you recommend for a '77 IH hydrostatic [Re: andyd]
classic70 Offline


Registered: 04/10/17
Posts: 23
Loc: Indiana
Hytran works good and still available at the CaseIH dealer.
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#4703294 - 03/22/18 02:35 PM Re: What do you recommend for a '77 IH hydrostatic [Re: andyd]
JTK Offline


Registered: 08/14/03
Posts: 10655
Loc: Buffalo, NY
The old school units, where the hydrostatic drive and the rear diff have separate lubes, I've seen a single unit recommend anything from 20wt motor oil to ATF. Hytran, universal hydraulic fluid or what ever Tractor Supply or Walmart has on hand is what they normally run.

Today's unitized hydro drive transaxles need heavier motor oil.
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#4703444 - 03/22/18 04:43 PM Re: What do you recommend for a '77 IH hydrostatic [Re: andyd]
andyd Offline


Registered: 09/25/04
Posts: 7282
Loc: Marshfield , MA
JTK. A closer look at the parts diagram shows a hydrostatic unit integral to the final drive. They both spec Hy-Tran. There is no break down of the hydrostatic unit. Are they rebuild-able? This is an IH Cadet 80 lawnmower, not some MTD trading on the Cub Cadet mystique. Is there anything I can refresh inside it?
_________________________
'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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#4703580 - 03/22/18 06:47 PM Re: What do you recommend for a '77 IH hydrostatic [Re: andyd]
Linctex Offline


Registered: 12/31/16
Posts: 6186
Loc: Waco, TX
Originally Posted By: andyd
original spec was called Hy-Tran.... I used some universal stuff from TSC. Not impressed with the performance.


The two fluid are not even close in comparison.
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#4703582 - 03/22/18 06:48 PM Re: What do you recommend for a '77 IH hydrostatic [Re: andyd]
Linctex Offline


Registered: 12/31/16
Posts: 6186
Loc: Waco, TX
Many years ago when drag racing 700HP cars with auto trans,

...we always used International Harvester Hy-Tran fluid.

Regular ATF in those days wouldn't stand up to the abuse.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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