1750 oil gone

[riverunner]

The hydra power drive on my 1750D has lost all of it's oil. No external leaks,no oil in the radiator. Filled it let it run for 30 minutes shut it off checked it the next day,empty.Put it in the shed for the winter.Now I am getting the ambition to work on it. Is the oil posibly giong into the transmission?

 

[Kell]

No way for the hydra drive oil to go into the transmission. The oil is either in the ground or in your cooling system, provided you don't have a later 1750 with the external cooler in front of the radiator. Are you sure you filled it?

 

[90 Percent Retired]

Had a similar one like yours many years ago, steel oil cooler lines along the inside of the frame crossed over each other (touching) vibration over time caused them to both wear through at about the same time. Did not leak externaly but did transfer fluid from hydra-power to the hydraulic system. Check the hyd. reservoir level, look for oily dust where oil cooler lines are close together along the inside of the frame, if it happend once it might happen again. Also many Olivers had a bolt/cap screw threaded through the frame to support the hydr-power and keep thr chain coupling alined, if it wore through the case it should show a few drops of fluid directly under the unit, Hope you find the source and let us know.

 

[riverunner]

Thank you for your comments.
I put just over six quarts in the Hydra power
when I filled it.I saw no oil on the ground or leaking any place. So far this is a mystery