Mi-T-M HS Series Hot Water Pressure Washer – HS-4004-0MGH, Gasoline, Belt Drive, 4000 PSI, 4.0 GPM

Gasoline • Belt Drive • 4000 PSI • 4.0 GPM

Part Number: HS-4004-0MGH
Category: Mobile Hot Water Pressure Washer (Skid Mount)
Fuel Type: Gasoline (Engine) + Diesel/Kerosene (Burner)
Drive Type: Heavy-Duty Belt Drive

The Mi-T-M HS Series HS-4004-0MGH is a compact yet powerful gasoline-powered hot water pressure washer engineered for mobile industrial cleaning. Delivering 4000 PSI and 3.7–4.0 GPM, this skid-mounted unit provides high-pressure performance for cutting through heavy grease, mud, oil residue, and stubborn debris on demanding job sites.

Built around a 389cc Honda GX390 OHV engine, this model is lighter and more compact than larger HS units—making it an excellent fit for smaller trailers, service trucks, and mobile fleet-washing rigs. A diesel-fired burner system combined with a Schedule 80 heating coil produces up to a 150°F temperature rise and 200°F maximum outlet temperature, enabling aggressive hot-water cleaning from one site to the next.

Key Features

Pump System

• External bypass system protects pump from heat buildup

• Factory-preset unloader

• Trapping unloader equipped on this model

  • (All other gasoline HS units use a K7 flow-actuated unloader)

• Forged brass manifold

• High-volume 80-mesh stainless-steel inlet water strainer

• Industrial General Pump (7-Year Warranty)

Engine

• 389cc Honda GX390 OHV gasoline engine

• 1.61-gallon engine fuel tank

• Reliable, field-proven power for mobile applications

• CARB compliance required for California orders

Frame & Construction

• Heavy-duty powder-coated steel frame

• Skid mount optimized for trailer or truck-bed installation

• Durable weldments for long-term industrial use

Heating System

• Burner operates on No. 1 or No. 2 diesel / kerosene

• (Not approved for biodiesel)

• 1/2-inch Schedule 80 stainless-wrapped heating coil

• Provides 150°F temperature rise, 200°F max output

Included Accessories

• Quick-connect nozzles: 0°, 15°, 25°, 40°

• 50 ft × 3/8 in steel wire-braided hose

• Adjustable-pressure insulated dual lance wand

• Industrial trigger gun

Specifications

Performance

Weights & Dimensions

Warranty

• 3-Year – Heating Coil

• 3-Year – Honda GX390 Engine

• 7-Year – General Pump