The Vapormatic VPE3400 is a high-quality thermostat designed for various agricultural applications, primarily compatible with Massey Ferguson tractors. This genuine Vapormatic part ensures precise engine temperature regulation, crucial for engine efficiency and longevity. It is a direct replacement for several OEM part numbers, including Massey Ferguson 3639148M1, 3639148M91, 3639148M92, 3639148M93, and 3639148M94, as well as Perkins 2485C001. The thermostat has an operating temperature of 82 degrees Celsius (180 degrees Fahrenheit).