Sentinel Racor Parker Master Control D-20 Diesel Engine Protection System

The Parker Racor D-20 (part of the D-Series) is a Master Control unit for the Sentinel mechanical diesel engine protection system. It is used to protect heavy-duty engines from catastrophic failure by detecting issues like low oil pressure or high coolant temperature and triggering a shutdown.Key Details of the Sentinel D-Series Master Control:Mechanical System: It operates without electronics, making it reliable in high-vibration or harsh environments.Automatic Shutdown: The D-20 monitors critical functions and shuts down the engine to prevent damage.Variable Shut-off Point: The Master Control (Oil Sentinel) can be set for specific oil pressures (5, 10, 15, 20, or 25 p.s.i. primary settings) and automatically provides a higher shutdown point for engines operating under load.Applications: Commonly used on diesel engines to monitor oil pressure, coolant pressure/temperature, and tail pump pressure.You can find this component listed at industrial suppliers such as Dieselfiltersonline.com.