Why is the hydraulic system on my Toro Groundsmaster 4110-D operating hot?
- QqcampbellNov 21, 2025
If the hydraulic system in your Toro Lawn Mower operates hot, it could be due to several reasons: The engine RPM might be too low, the brakes could be applied or sticking, the hydraulic reservoir oil level might be low, the hydraulic oil could be contaminated or the wrong type, the piston pump by-pass valve could be open or damaged, the cooling system may not be working correctly, the charge pressure could be low, the traction circuit pressure might be incorrect, or the pumps or motors could be damaged. To resolve this, try increasing the engine RPM, releasing or fixing the brakes, checking the hydraulic reservoir oil level, replacing the hydraulic oil if it's contaminated or incorrect, checking the piston pump by-pass valve, ensuring the cooling system is working, checking the charge pres...










