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Hydraulics

Power to move more dirt, rock, and debris with speed and precision

Hydraulic Horsepower

Hydraulic horsepower is the actual machine power available to do work through implements and work tools. It’s much more than just the engine power under the hood – it’s a core strength that differentiates Cat machines from other brands.

Main Control Valve and Auxiliary Valves

The 324E uses a high-pressure system to tackle the toughest of work in short order. The machine features a simple, highly ef cient back-to-back main control valve to improve fuel consumption and reliability. Also, shortened spool lengths and a built-in drift reduction valve have been added for greater controllability.

Return Filter

The return lter is a capsule-type design with a cartridge inside. The Cat cartridge features a handle to help remove and change oil without spillage or contamination. A sensor attached to the lter warns the operator if it is full or exceeds a certain pressure level.

Swing Priority Circuit

The swing priority circuit on the 324E uses an electric valve that’s operated by the machine’s Electronic Control Module (ECM). Compared to using a hydraulic valve, an electric valve allows for more nely tuned control, which is critical during material loading.

Electric Boom Regeneration Valve

An electric boom regeneration valve minimizes pump ow when the boom lowers down, which helps improve fuel ef ciency. This unique Cat feature is optimized for any dial speed setting being used by the operator, which results in less pressure loss for higher controllability and more productivity with lower operating costs.

Stick Regeneration Circuit

The 324E regenerates the ow of oil from the rod end to the head end of the stick cylinder during low-load, stick-in operation – an approach that saves energy and expense.

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