John Deere suitable Skidder Transmission Oil - Universal Transmission Oil Data John Deere suitable Forestry Universal Transmission Fluid UTTO Hydro/Trans Automatic Transmission and Steering Fluid - Dexron II (ATF) John Deere suitable Forestry Automatic Transmission and Steering Fluid - Dexron III You should also check for leaks andreplace any clogged filters. Fast Responsive Service. If the fluid is low, add more until it reaches the full line. Track Skidder sare also equipped with special low-range gearing that helps them climb hills without losing traction . A few readers have read these remarks as a slam of John Deere. //-->,