GUARD GP-BELT 3727929 - Caterpillar

engine electronic control module (ECM) may limit the amount of fuel flowing into the injectors in order to protect the engine. Any of the following factors could initiate a derate:
The engine coolant level is high.
The engine coolant temperature is high.
The engine oil pressure is low.
The engine oil temperature is high.
The fuel pressure is high or the fuel pressure is low.
The engine speed is high.
The temperature of the air entering the air cleaner is high.
The engine intake manifold temperature is high.Note: This fuel limiting strategy is in place to ensure the longevity and durability of the engine.The derate condition that may result will limit peak power. In no case will the power loss exceed a 50% reduction in total engine power.Note: In a derated condition, the amount of derate can be determined by monitoring the "Actual Maximum Available Engine Torque %".Contact your Cat dealer for more information about the derating procedure.