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Mi-T-M HS Series Gasoline Belt Drive - HS-4004-1MAH

The Mi-T-M HS Series Gasoline Belt Drive Hot Water Pressure Washer (Model HS-4004-1MAH) delivers unmatched cleaning performance for demanding commercial and industrial jobs. Built with a powerful 688cc Honda GX630 OHV engine and a heavy-duty AR pump, this hot water pressure washer is designed for reliability, durability, and performance on the go. Mount it on a trailer or in a truck bed for easy transport between jobsites — and tackle grease, grime, and oil effortlessly.

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

  • Powerful Cleaning Output – 4000 PSI and 4.0 GPM deliver superior cleaning power for tough industrial grime.
  • Durable Honda Engine – Reliable 688cc Honda GX630 OHV engine ensures long-lasting performance.
  • Professional Hot Water System – Produces water up to 200°F for efficient grease and oil removal.
  • Mobile and Mountable Design – Compact frame ideal for truck or trailer installation.
  • Built to Last – Reinforced powder-coated steel frame and dual cogged belt drive system for extended lifespan.

Perfect For:

  • Industrial and commercial cleaning professionals
  • Fleet and vehicle maintenance facilities
  • Construction and equipment cleaning
  • Municipal and public works departments
  • Agricultural and farm machinery cleaning

Key Features and Benefits

  • Pump: External bypass system protects from heat build-up; factory preset unloader; forged brass manifold and 80-mesh stainless steel water strainer.
  • Engine: 688cc Honda GX630 OHV gasoline engine with electric start (sealed battery included).
  • Frame: Heavy-duty powder-coated steel frame built for rugged environments and easy mounting.
  • Components: 2900-watt generator, heavy-duty dual cogged belt drive system, ½-inch Schedule 80 coil with stainless-steel wrap, and No. 1 or No. 2 diesel/kerosene burner (not bio-fuel approved).
  • Heat Output: Delivers a 150°F (66°C) temperature rise above ambient, reaching a maximum outlet temperature of 200°F.
  • Includes: Quick connect nozzles (0°, 15°, 25°, 40°), 50-ft x 3/8-inch steel wire-braided hose, adjustable pressure dual lance with trigger gun.
  • Safety: Model includes trapping unloader (others feature K7 flow actuated unloader). CARB compliance required for California models — consult factory.
  • Optional Accessories (must be ordered with unit):
    • HX-0130 Three-way Ball Valve: Switch between garden hose, float tank, or trailer supply tank.
    • HX-0142 Steam Combination 250°F: Boosts output temperature up to 250°F.
    • HX-0145 Adjustable Thermostat: Control water temperature between 86°F–248°F.
    • HX-0146 Hour Meter: Track total operating hours for maintenance scheduling.
    • HX-0147 Four Point Lifting Capability: Allows secure lifting via crane.
    • HX-0148 Adjustable Detergent Valve: Enables soap injection through the high-pressure pump (requires trapping unloader; consult factory).

Specifications

Specification Value
PSI 4000
GPM 4.0
Displacement / Engine 688cc Honda GX630 OHV
Pump AR
Engine Fuel Tank Capacity 10.0 gallon
Burner Fuel Tank Capacity 10.0 gallon
Burner Fuel Consumption 2.76 gph
BTU per Hour 386,400
Net Weight 750 lbs
Shipping Weight 854 lbs
Length 50.00 in
Width 34.00 in
Height 46.00 in

Documents

Spec Sheet

Manual

Innovation and Reliability at Our Core

At Machine Horizon, we believe that powerful machines drive progress. Our mission is to make advanced technology accessible to creators, engineers, and businesses across industries—from precision CNC and milling to farming, printing, and laboratory equipment.

We’re dedicated to providing reliable, high-performance machines that help you produce, build, and innovate with confidence. Every product we offer is carefully selected for its engineering quality, efficiency, and long-term value.

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Passion for Machinery & Resilience


Our brand is built on a deep respect for craftsmanship, performance, and reliability. We understand how important the right equipment is to your success—that’s why we focus on machines that combine innovation with lasting durability. From small workshops to large production facilities, Machine Horizon provides solutions that help you work smarter, faster, and better.

Trusted Experts, Curated Brands


We partner directly with industry-leading manufacturers across multiple sectors to ensure every product meets our standards for quality and performance. Our curated selection means you can shop with confidence, knowing each machine is backed by expert support and full manufacturer warranties.

More Reasons to Choose Machine Horizon

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With Machine Horizon, you don’t just buy equipment—you invest in performance, precision, and long-term reliability

Frequently Asked Questions

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Most orders ship out within 1–3 business days and arrive within 5-7 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
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