PUMP THRUST PLATE Parker Hydraulic gear Pump Parts

Thrust plates (also commonly referred to as wear plates or side plates) are precision-machined internal components situated on both sides of the gear face within a hydraulic gear pump. They execute two primary, critical operational roles:

• Volumetric Efficiency Maintenance: By maintaining an optimal micro-clearance seal against the rotating gear faces under high hydraulic pressure, they minimize internal fluid slippage from the outlet to the inlet side.
• Axial Compensation: They utilize backend pocket channel seals to allow a controlled, pressure-loaded balance that adapts to shifting internal mechanical loads, drastically reducing friction and component wear.

RCHC manufactures high-performance aftermarket replacement thrust plates engineered strictly to meet or exceed OEM standards for the Parker PGP / Commercial Shearing cast iron gear pump line. Our high-utility components, deliver the exact dimensions, volumetric efficiency, and structural integrity needed for demanding B2B supply chains, distribution networks, and heavy machinery repairs.

Industry Applications & Machinery Vehicles

Our aftermarket thrust plates are highly compatible with heavy-duty mobile and industrial machinery utilizing Parker/Commercial gear systems. Major vehicle classes include:

• Construction & Earthmoving Fleet: Heavy dump trucks, concrete mixers, crawler excavators, backhoe loaders, and wheel loaders.
• Agricultural Equipment: Large harvesters, utility tractors, and heavy tillage implements.
• Material Handling Machinery: High-capacity forklifts, reach stackers, and rough-terrain cranes.
• Waste Management Vehicles: Sanitation trucks, municipal refuse compactors, and hydraulic load-lifters.
• Mining & Forestry Infrastructure: Timber forwarders, rock drill rigs, and bulk material conveyor drives.

PGP030/031
PUMP THRUST PLATE	391-2185-031
MOTOR THRUST PLATE	391-2185-013
PGP050/051
PUMP THRUST PLATE	391-2185-029
MOTOR THRUST PLATE	391-2185-012
DRY VALVE THRUST PLATE	391-2185-041
PGP075/076
PUMP THRUST PLATE	391-2185-026
MOTOR THRUST PLATE	391-2185-020
DRY VALVE THRUST PLATE	391-2185-072
PGP315
PUMP THRUST PLATE	391-2185-063
MOTOR THRUST PLATE	391-2185-070
PGP330
PUMP THRUST PLATE	391-2185-056
MOTOR THRUST PLATE	391-2185-065
PGP350
PUMP THRUST PLATE	391-2185-057
MOTOR THRUST PLATE	391-2185-068
PGP365
PUMP THRUST PLATE	391-2185-055
MOTOR THRUST PLATE	391-2185-060

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