Winch Oil Specifications
The use of proper gear oil and regular preventive maintenance will help extend gear train life
and reliable winch brake performance.
Oil Change Frequency
Gear oil should be changed after the first 100 hours or 30 days of machine
operation, and then every 1000 hours or 12 months, whichever occurs first.
Gear oil should also be changed whenever the ambient temperature
changes significantly and an oil from a different temperature range would
be more appropriate. Check and drain the oil using the fill plug in the
winch. The winch should be at least 1/2 full.
Warm-Up Procedure
Warming up the winch is recommended at start-up and at ambient temperatures below 40 °F (4
°C). Run the prime mover at its lowest recommended RPM with the hydraulic winch control
valve in neutral, allowing sufficient time to warm up the system. Operate the winch at low
speeds, forward and reverse, several times to prime all lines with warm hydraulic oil and to
circulate gear oil through the planetary gear sets.
Lubricants
The following lubricants are recommended based on ambient temperature. Other lubricants
may work equally as well. We suggest you work with your lubricant supplier to find an
equivalent product if needed. The winch is initially filled with Exxon Spartan EP150 or equivalent.
Prevailing Ambient
Temperature
Recommended Lubricant
25 -130 °F (-4 - 54 °C) Exxon Spartan EP220 or equivalent (AGMA 5 EP, ISO VG
200)
10 - 100 °F (-12 - 38 °C) Exxon Spartan EP 150 or equivalent (AGMA 4 EP, ISO VG
150)
Note: Avoid using Exxon Spartan EP150 above 80 °F (27 °C)
in severe applications such as offshore lifting, sustained fast
duty cycles, or frequent lifting.
-25 - 130 °F (-32 - 54 °C) Mobil SHC 629 or 630 synthetic or equivalent
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