ARTICLE

CAT Hydraulic Gear Pump — Applications, Common ...

Hydraulic gear pumps are some of the most common — and most overlooked — components in heavy equipment hydraulic systems. On Caterpillar machines, gear pumps typically don’t do the heavy...

CAT Piston Pump Rebuild Parts — When to Rebuild...

A failing CAT hydraulic piston pump doesn’t always mean you need a whole new pump. In many cases, replacing the worn internal components — valve plate, piston shoes, cylinder block,...

CAT Hydraulic Vane Pump — Symptoms of Failure &...

Hydraulic vane pumps are used extensively across Caterpillar equipment — primarily as charge pumps, pilot pumps, steering pumps, and auxiliary pumps. While they don’t carry the same heavy load as...

CAT Hydraulic Fan Motor — How It Works, Common ...

The hydraulic fan motor on your Caterpillar equipment is a small but critical component of the engine cooling system. It drives the radiator cooling fan that keeps your engine temperature...

CAT Fuel Transfer Pump — How It Works, Common I...

The fuel transfer pump (also called a lift pump or fuel supply pump) is a critical component in your Caterpillar diesel engine’s fuel system. It’s responsible for drawing fuel from...

CAT Engine Water Pump — Signs of Failure & Repl...

CAT Engine Water Pump — Signs of Failure & Replacement Guide Your Caterpillar equipment’s engine water pump is the heart of the cooling system. It circulates coolant through the engine...