General Pump T9281L Triplex Pressure Washer Pump – 4 GPM, 4,000 PSI, Left-Hand Shaft

The General Pump T9281L is a heavy-duty triplex plunger pump designed for professional pressure-washing and industrial cleaning applications. It is also identified and sold by Mi-T-M under part number 3-0442, making it a direct reference for equipment originally fitted with a Mi-T-M 3-0442 pump.

This left-hand pump delivers up to 4.0 GPM at 4,000 PSI and features a durable nickel-plated forged-brass manifold, solid ceramic plungers, stainless-steel valves, and an oil-bath crankcase for dependable performance under demanding conditions.

Key Features

• General Pump model: T9281L

• Mi-T-M part number: 3-0442

• Maximum flow: 4.0 GPM

• Maximum pressure: 4,000 PSI

• Maximum speed: 1,750 RPM

• Left-hand configuration

• 24 mm solid shaft

• Nickel-plated forged-brass manifold

• Solid ceramic plungers

• Stainless-steel inlet and discharge valves

• Heavy-duty tapered roller bearings

• Required power: 11.0 EBHP

• Maximum fluid temperature: 165°F

• Inlet: 1/2-inch BSPP-F

• Discharge: 3/8-inch BSPP-F

• Oil capacity: 37.2 oz.

• Dimensions: 12.50 × 9.29 × 7.09 inches

• Weight: approximately 33 lb.

Please verify the shaft orientation, mounting dimensions, operating speed, ports, and power requirements before ordering. A pressure-regulating device and secondary pressure-relief device are required for safe system operation.