High Volume Gas Powered Dewatering with Tool Free Casing Cleanout Controls The Multiquip QP4TH 4-Inch Gas Powered Trash Pump is a commercial-grade dewatering system engineered to manage high-velocity fluid transfers laden with large suspended solids up to 2 inches in diameter. Driven by a 10.7 HP Honda GX340 gasoline engine, this industrial utility unit delivers up to 555 GPM of fluid volume displacement while sustaining a 92-foot maximum head limit and a 25-foot suction lift capacity. The structural assembly incorporates an aluminum housing matched with a rugged cast-iron impeller and volute for high abrasion resistance, alongside a silicon-carbon mechanical shaft seal that withstands highly gritty water parameters. Designed for streamlined field maintenance, the architecture features a large tool-free quick-release clean-out cover and dual discharge ports to provide flexible hose routing configurations across complex construction environments. Best Used For: Large Excavation Dewatering: Rapidly evacuating debris-filled groundwater, large stones, and slurry out of massive trenching lines and foundation sites. Retention Pond Siphoning: Transferring sediment-heavy surface water payloads from reservoirs, agricultural canals, or containment basins cleanly. Municipal Emergency Flood Mitigation: Addressing high-volume water accumulation from broken water mains or flash flooding events impacting public infrastructure. Key Performance & Safety Features *Honda GX340 Commercial Engine:Supplies 10.7 HP of robust mechanical torque with an automated low-oil sensor shutdown array that isolates the engine core from seizure hazards. 2-Inch Spherical Solid Pass: Specially clear-cut interior passages permit stones, sticks, and sludge elements up to 2 inches in diameter to pass without choking the volute track. Multi Port Discharge Manifold: Built with versatile discharge ports to facilitate simultaneous or multi-directional drainage hose routing on the fly. Tool Free Quick Access Cover: Hand-turn release knobs enable direct access to the impeller chamber for fast cleaning run cycles without requiring separate hand tools. Silicon Carbon Face Seals: Advanced mechanical shaft seal faces preserve internal pressure seals when tracking through highly abrasive fluid mixtures. Tubular Steel Frame: Encased inside a structural roll cage chassis that safeguards the complete assembly from severe impacts while creating reliable tie-down attachment points. What's Included (1) QP4TH 4-Inch Gas Powered Centrifugal Trash Pump Assembly Technical Specifications Product Type Centrifugal Trash Pump Power Source Gasoline Engine Engine Model Honda GX340 Commercial Motor Power Rating 10.7 HP Suction x Discharge Size 4 in. x 4 in. NPT Maximum Water Capacity 555 GPM Maximum Suction Lift 25 ft Maximum Total Head 92 ft Maximum Fluid Pressure 40 PSI Maximum Solid Clearance 2 in Fuel Tank Capacity 1.65 Gallons Low Oil Shutdown Protection Yes Net Operating Weight 216 lbs Overall Footprint Dimensions 30.1 x 27.3 x 30.7 in Pro-Tip: When tightening the quick-release clean-out casing cover knobs following a heavy solid purge run, ensure the front rubber seal ring is completely free of stone sediment or grit granules. Even a minor particulate imperfection across the face seal interface can cause vacuum drawing leakage, altering self-priming ratios and lowering suction lift capacity over continuous utility cycles.
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