MultiQuip 4" Heavy-Duty Trash Pump QP4TH 555 GPM Honda GX340 Engine Dual Ports Cast Iron Impeller Steel Frame
MultiQuip 4 Inch Heavy-Duty Trash Pump with dual discharge ports and cast iron impeller steel frame
MultiQuip 4" Heavy-Duty Trash Pump QP4TH 555 GPM Honda GX340 Engine Dual Ports Cast Iron Impeller Steel Frame
MultiQuip 4 Inch Heavy-Duty Trash Pump with dual discharge ports and cast iron impeller steel frame
MULTIQUIP

Multiquip 4 Inch 555 GPM 10.7 HP Honda GX340 Engine Gas Trash Pump Unit (QP4TH)

Only 2 left
SKU: QP4TH
$3,350.00 USD

Shipping Quote Required

Request a Shipping Quote
Description

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

Multiquip QP4TH Technical Specifications

Parameter Specification
Intake & Discharge Diameter 4 in × 4 in Male NPT (101.6 mm × 101.6 mm)
Maximum Pumping Flow 555 GPM (2,100 LPM)
Maximum Head / Suction Lift 92 ft (28.0 m) Max Head / 25 ft (7.6 m) Suction Lift
Maximum Solids Clearance 2.0 in (50.8 mm) Spherical Solids
Engine & Displacement Honda GX340 OHV 4-Stroke, 389 cc (10.7 HP Gross / 3,600 RPM)
Fuel Type & Tank Capacity Unleaded Gasoline, 1.61 gal (6.1 L)
Housing & Core Components Die-Cast Aluminum Casing, Ductile Iron Volute, High-Chrome Cast Iron Impeller
Mechanical Shaft Seal Dual Silicon Carbide Face Mechanical Seal
Engine Protection & Start Manual Recoil Start with Automatic Low-Oil Alert Shutdown System
Overall Dimensions (L × W × H) 28.7 in × 21.7 in × 23.6 in (72.9 cm × 55.1 cm × 59.9 cm)
Dry Operating Weight 216 lbs (98.0 kg)
Operational & Site Engineering Note:

Designed for rigorous dewatering, municipal bypass, and site utility jobs. Features a tool-free removable front cleanout cover for rapid field maintenance. Casing must be fully primed with water before initial startup to prevent catastrophic thermal shock to the mechanical seal.

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.