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Mi-T-M HS Series Gasoline Belt Drive Generator - HS-3505-1MGK

The Mi-T-M HS Series Gasoline Belt Drive Generator - HS-3505-1MGK is a high-performance, industrial-grade hot water pressure washer designed for professionals who demand reliability and power. With its 3500 PSI pressure and 4.7 GPM flow rate, this model delivers superior cleaning results for the toughest jobs. Mount it easily to a trailer or truck to create a fully mobile cleaning unit. Built with a Kohler CH640 OHV engine, durable steel frame, and advanced heating system, this Mi-T-M unit is the perfect combination of performance, durability, and convenience.

Why You'll Love the Mi-T-M HS-3505-1MGK

  • Powerful Cleaning: 3500 PSI and 4.7 GPM easily tackle grease, oil, mud, and grime.
  • Portable Design: Ideal for mounting on trailers or trucks for mobile cleaning jobs.
  • Industrial Quality: Built with heavy-duty components for long-lasting durability.
  • Hot Water Efficiency: Diesel or kerosene-fired burner heats water up to 200°F for deep cleaning power.
  • Electric Start: Features a sealed battery and electric start for quick, reliable operation.

Perfect For:

  • Mobile cleaning contractors
  • Fleet maintenance and heavy equipment cleaning
  • Construction and agricultural equipment washdowns
  • Industrial cleaning applications
  • Oil, grease, and heavy dirt removal

Key Features and Benefits

  • Pump: External bypass system prevents heat build-up, with a factory preset unloader, forged brass manifold, and high-volume stainless-steel inlet strainer for superior pump protection.
  • Engine: Powered by a reliable 674cc Kohler CH640 OHV gasoline engine with electric start and included sealed battery.
  • Frame: Heavy-duty powder-coated steel frame ensures maximum durability and corrosion resistance.
  • Components: 2900-watt generator and dual cogged belt drive system for efficient power transfer and performance stability.
  • Heating System: No. 1 or No. 2 diesel or kerosene-fired burner with 1/2-inch Schedule 80 coil and stainless-steel wrap for high-temperature water output (up to 200°F).
  • Temperature Capability: Achieves a temperature rise of 150°F (66°C) above ambient for deep cleaning results.
  • Accessories Included: Comes complete with quick-connect nozzles (0°, 15°, 25°, and 40°), a 50-foot steel wire-braided hose, and an adjustable dual lance with trigger gun.
  • Optional Upgrades: Add accessories like adjustable thermostat, steam combination up to 250°F, hour meter, four-point lifting system, and detergent injection options (must be ordered with unit).
  • CARB Compliance: All gasoline models sold in California must have a CARB compliant engine — consult factory before ordering.

Specifications

PSI 3500
GPM 4.7
Displacement / Engine 674cc Kohler CH640 OHV
Pump General
Engine Fuel Tank Capacity 10.0 gallon
Burner Fuel Tank Capacity 10.0 gallon
Burner Fuel Consumption 3.37 gph
BTU Per Hour 471,800
Net Weight 750.00 lbs.
Shipping Weight 854.00 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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