Oliver 1750 tractor

grwrench

Member
a friend has a Oliver 1750 hydra shift tractor,, I am a J Deere tech,, soo, am not that familiar with Oliver,, here is my questions?? under the LH floor plate is a spin on oil filter,, this filter rusted thru and spilled oil out,, what kind of oil goes here?? where do you check it?? where do you pour it in ?? Thanks..
 
Transmission lube filter. Takes 80-90 gear lube. There's a fill cap under a round tin cap next to the shift. There's a pipe plug that goes in vertically in the back of the PTO housing, fill it until it runs out there. The HydraPower drive is a completely separate, unrelated, self contained unit.
 
Thanks for your reply,, soo,, this spin on filter is filtering 90 W gear oil?? when the tractor was running the oil gushed out from being Pumped ,, soo,, i figured some other oil than 90 W gear oil???
 
Thanks for your reply,, soo,, this spin on filter is filtering 90 W gear oil?? when the tractor was running the oil gushed out from being Pumped ,, soo,, i figured some other oil than 90 W gear oil???
Somebody might have dumped hy-tran oil in it, but I wouldn't. The seals really aren't made for it.
 
Somebody might have dumped hy-tran oil in it, but I wouldn't. The seals really aren't made for it.
More importantly The cut angle on the gears and orifice sizes in the transmission lube circuit aren’t made for anything other than 80w-90 either. Anything thinner may not climb the gears right and certain bearings may get starved for oil.
 
hello,, the oil gushed out about a month ago and I did not stick my finger in it on the ground,, I was surprised to learn that 90W oil can be pumped thru a spin on filter,, I will check all this out soon, as the tractor is 30 minutes away from me.. Thanks again for the info..
 
hello,, the oil gushed out about a month ago and I did not stick my finger in it on the ground,, I was surprised to learn that 90W oil can be pumped thru a spin on filter,, I will check all this out soon, as the tractor is 30 minutes away from me.. Thanks again for the info..

Yep, it pumps through just fine and will run everywhere if that filter isn't tight.
 
We had a kenworth truck that the transmission would run very hot the manufacturer recalled it and put a little electric pump on it, pumped the oil thru a remote cooler made a big difference in the temperature it used 80 wt oil
 
More importantly The cut angle on the gears and orifice sizes in the transmission lube circuit aren’t made for anything other than 80w-90 either. Anything thinner may not climb the gears right and certain bearings may get starved for oil.
hello,, Oliver kid,, I am back again,, this tractor is hydra power, not hydra shift,, sooo,, is this different from the info I got for the hydra shift?? I looked briefly at it today,, the oil filter that rusted thru is above the LH brake assy.. I see a breather cap on top of the rock shaft assy.. under the front of the seat.. is this where I pour the 90W oil in?? and I see a pipe plug on the rear near the PTO shaft,, so is this plug the fill level?? THANKS for your time
 
The oil filter on the left side is for the rear end, the breather cap on the rockshaft is the hydraulic oil fill, on the left side there should be a pipe plug that is where you put the 90wt in for the rear end
 
Hydraulic oil fill is under the seat thru that breather cap. Rearend/transmission oil level should be a 1/2" pipe plug to the right of the PTO. To fill the transmission/rearend there should be a "vertical" pipe plug on the top left side of that same housing that is about 1". Remove that and fill it there. If you don't see it, I guess you could pull the PTO adjustment cap out (the big hex-key plug to the left of the PTO) and dump it in there. I wish I had better information; I don't have a 1750 in my collection, just a 770, 1650, and an 1800. The 1650 uses the same filter setup as the 1750, but you fill thru a plug/cap to the left of the gear selector and because of its PTO design the level plug is in a different location. The 1800 has a level plug in the rear, but the plug to fill is on the left side of the transmission casting.
 
Hydraulic oil fill is under the seat thru that breather cap. Rearend/transmission oil level should be a 1/2" pipe plug to the right of the PTO. To fill the transmission/rearend there should be a "vertical" pipe plug on the top left side of that same housing that is about 1". Remove that and fill it there. If you don't see it, I guess you could pull the PTO adjustment cap out (the big hex-key plug to the left of the PTO) and dump it in there. I wish I had better information; I don't have a 1750 in my collection, just a 770, 1650, and an 1800. The 1650 uses the same filter setup as the 1750, but you fill thru a plug/cap to the left of the gear selector and because of its PTO design the level plug is in a different location. The 1800 has a level plug in the rear, but the plug to fill is on the left side of the transmission casting.
1750 was originally an c series 1800 they used up the left over 1800s upgraded to 1750 badging for the first units, ,
 
THANKS,, Oliver friends,, I am a JD tech. sooo,, do not know much about this tractor,, this belongs to a friend,, soo,, do not know if he has a OP. manual..
 
More importantly The cut angle on the gears and orifice sizes in the transmission lube circuit aren’t made for anything other than 80w-90 either. Anything thinner may not climb the gears right and certain bearings may get starved for oil.
if only filled to the check plug--you're probably right.
fine if you fill 80-90% of the final though!
 
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