Interpump W98 Triplex Plunger Pump - General Pump T981 Cross Reference - 2.9 GPM 1450 PSI 24mm Shaft - Commercial Pressure Washer Pump

The Interpump W98 (General Pump T981 cross reference) is a heavy-duty triplex plunger pump from Interpump Group's proven 50-Series line. Delivering 2.9 GPM at 1,450 PSI at 1,450 RPM, this approximately 3 HP class pump is engineered for commercial and industrial pressure washer applications. Features include ceramic plungers for extended service life, stainless steel suction and pressure valves, and a light alloy crankcase. The 24mm solid shaft with right-hand orientation accommodates both flexible coupling and V-belt transmission, and the pump can be driven from either left or right side for versatile installation. Ports are standard 1/2 inch female inlet and 3/8 inch female outlet. Dimensions: 238 x 211 x 138 mm. Weight: approximately 8.5 kg (18.7 lbs). Common service parts include KIT 1 (valve kit), KIT 19 (water seal kit), and KIT 23 (oil seal kit) for the 50-Series models.

• PERFORMANCE: 2.9 GPM (11 L/min) flow rate at 1,450 PSI (100 bar) max pressure, 1,450 RPM - ideal 3 HP class pump for commercial pressure washer applications
• CROSS REFERENCE: Interpump W98 = General Pump T981 - direct replacement from Interpump Group's proven 50-Series triplex plunger pump line
• HEAVY-DUTY CONSTRUCTION: Ceramic plungers, stainless steel suction and pressure valves, light alloy crankcase for long service life in demanding environments
• EASY INSTALLATION: 24mm solid shaft (right-hand orientation), 1/2" female inlet, 3/8" female outlet - suitable for flexible coupling or V-belt transmission, drivable from left or right side
• VERSATILE APPLICATIONS: Hot and cold pressure washers, engine-driven and belt-driven systems, wash bay/forecourt equipment, pressure testing, industrial and commercial cleaning