Mi-T-M HS Series Gasoline Belt Drive, 4.0 GPM, Model HS-4004-1MAK

The Mi-T-M HS Series Gasoline Belt Drive Hot Water Pressure Washer (Model HS-4004-1MAK) delivers industrial-grade cleaning power wherever you need it. Designed for heavy-duty jobs, this portable unit can be mounted on a trailer or truck for mobile operations. With a 674cc Kohler CH640 OHV engine and a robust belt drive system, it provides the performance and reliability needed to tackle grease, grime, oil, and mud with ease.

Why You'll Love the Mi-T-M HS-4004-1MAK

• Powerful Cleaning Performance – 4000 PSI at 4.0 GPM for efficient removal of the toughest buildup.
• Commercial-Grade Reliability – Engineered with a Kohler OHV engine and AR pump for long-lasting durability.
• Built for Mobility – Compact footprint ideal for mounting on trailers or trucks for mobile cleaning applications.
• Consistent Hot Water Output – Delivers up to 200°F water temperature with a 150°F rise above ambient.
• Durable Design – Heavy-duty powder-coated steel frame ensures protection and stability during transport and use.

Perfect For:

• Contract cleaning professionals
• Fleet maintenance and vehicle wash applications
• Construction and industrial sites
• Farm and equipment cleaning
• Municipal and public works departments

Key Features and Benefits

• Pump: External bypass system protects from heat build-up; factory preset unloader with forged brass manifold and stainless-steel inlet strainer for optimal flow.
• Engine: 674cc Kohler CH640 OHV gasoline engine with electric start (sealed battery included).
• Frame: Heavy-duty, powder-coated steel frame designed for durability and easy mounting.
• Components: 2900-watt generator and dual cogged belt drive system for smooth operation; ½-inch Schedule 80 coil with stainless-steel wrap for longevity.
• Fuel System: Burns No. 1 or No. 2 diesel or kerosene (not approved for bio-fuel).
• Heat Performance: Provides a 150°F (66°C) temperature rise, reaching a maximum outlet temperature of 200°F.
• Included Accessories: 50-ft x 3/8-inch steel wire-braided hose, adjustable dual lance with trigger gun, and quick-connect nozzles (0°, 15°, 25°, 40°).
• Safety: Model includes trapping unloader (others include K7 flow actuated unloader); all gasoline models meet CARB compliance requirements for California (consult factory).
• Optional Accessories (must be ordered with unit):
  • HX-0130 Three-way Ball Valve: Operate from garden hose, float tank, or trailer tank by adjusting the valve lever.
  • HX-0142 Steam Combination 250°F: Boosts outlet water temperature to 250°F.
  • HX-0145 Adjustable Thermostat: Allows operator to control water temperature between 86°F–248°F.
  • HX-0146 Hour Meter: Tracks total operating hours for maintenance planning.
  • HX-0147 Four Point Lifting Capability: Enables safe crane lifting and positioning.
  • HX-0148 Adjustable Detergent Valve: Injects soap through high pressure (requires trapping unloader; consult factory).

Specifications

Documents

Spec Sheet

Manual