Honda GX390 and Interpump WS202 Petrol Engine Pump Unit, 200 Bar, 21 LPM

This skid-mounted petrol engine pump unit pairs a Honda GX390 engine with an Interpump WS202 pump and gearbox. It delivers up to 200 bar at 21 litres per minute and is supplied as a bare unit without lance or hoses. The maximum rated pressure was raised from 170 bar to 200 bar in April 2026, following performance validation testing.

Key features

• Honda GX390 petrol engine, recoil start
• Interpump WS202 pump with gearbox
• Mounted on a heavy duty skid
• Unloader valve with return to tank bypass
• Inline suction filter
• Fitted with an Easystart valve

Specification

• Maximum pressure: 200 bar
• Maximum flow: 21 litres per minute
• Maximum fluid temperature: 60°C
• Engine: Honda GX390 petrol, recoil start
• Pump: Interpump WS202 with gearbox, 1450 rpm
• Outlet: 3/8" BSP female, from the unloader valve
• Suction: inline filter, 3/4" hose barb
• Bypass: return to tank, 15mm hose barb
• Dimensions: 720mm long x 460mm wide x 500mm high
• Weight: 69kg