Cat Pumps 56 Plunger Pump – 5.5 GPM @ 3500 PSI, 1210 RPM, 24mm Solid Shaft

Part Number: 56
Category: Industrial Pressure Washer Pumps
Type: Cat Pumps 56 Triplex Plunger Pump – 5.5 GPM @ 3500 PSI, 1210 RPM, 24mm Solid Shaft

The Cat Pumps 56 is a compact, heavy-duty industrial triplex plunger pump designed for high-pressure applications that demand reliability, efficiency, and long service life. Producing 5.5 GPM at 3500 PSI at a low 1210 RPM, this pump is ideal for industrial wash systems, fleet maintenance, food processing facilities, and commercial pressure-washing setups requiring consistent performance under continuous-duty conditions.

Product Specifications

• Model / Part Number: 56

• Max Flow: 5.5 GPM (20.8 LPM)

• Max Pressure: 3500 PSI

• Speed: 1210 RPM

• Shaft: 24mm Solid

• Inlet Port: 1/2" NPT (Female)

• Discharge Port: 3/8" NPT (Female)

• Manifold Material: Brass

• Drive Types: Belt, Clutch, Flexible Coupling, Bellhousing

• Pump Type: Triplex Plunger

• Condition: New

Features & Benefits

• High-pressure 3500 PSI capability in a compact footprint

• Efficient 5.5 GPM output for commercial and industrial wash systems

• Low-speed 1210 RPM operation for cooler running and extended pump life

• Triplex plunger design for smooth, consistent flow

• Durable brass manifold for corrosion resistance

• 24mm solid shaft for flexible drive configurations

• Ideal for continuous-duty industrial environments