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Mi-T-M HS-3505-1MGK Hot Water Pressure Washer – 3500 PSI, 4.7 GPM

Mi-T-M HS-3505-1MGK Hot Water Pressure Washer – 3500 PSI, 4.7 GPM

Brand: Mi-T-MSKU: HS-3505-1MGKIn Stock – Ready to Ship
$9,800.00
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Mi-T-M HS-3505-1MGK Hot Water Pressure Washer – 3500 PSI, Kohler CH640

The Mi-T-M HS-3505-1MGK delivers 3500 PSI at 4.7 GPM with a 674cc Kohler CH640 OHV engine and a General pump. The 471,800 BTU/hr burner raises water to 200°F max outlet (150°F above ambient). Includes 2900W generator, electric start with sealed battery, dual cogged belt drive, and ½-inch Schedule 80 stainless-wrapped coil. Weighs 750 lbs at 50" × 34" × 46". Kohler CH640 engine alternative to the Mi-T-M OHV (1MGM) and Honda GX630 (1MGH) in the HS-3505 series.

Performance and Engine

  • Pressure: 3500 PSI at 4.7 GPM — balanced output for fleet maintenance, construction equipment washing, and agricultural cleaning.
  • Engine: 674cc Kohler CH640 OHV — widely serviced commercial engine; electric start, sealed battery included; 10.0-gallon fuel tank.
  • Heat: 471,800 BTU/hr, 200°F max — 150°F rise; 10.0-gallon burner tank at 3.37 gph.
  • Generator: 2900W — remote site power.

Specifications

Model HS-3505-1MGK
Pressure 3500 PSI
Flow Rate 4.7 GPM
Engine 674cc Kohler CH640 OHV
Pump General
BTU/hr 471,800
Max Outlet Temperature 200°F (150°F rise)
Generator 2900W
Engine Fuel Tank 10.0 gal
Burner Tank 10.0 gal
Fuel Consumption 3.37 gph
Weight 750 lbs
Dimensions (L × W × H) 50" × 34" × 46"

Documents

Spec Sheet

Manual

Pressure3500 PSI
Flow Rate4.7 GPM
Water TempHot

Product Warranty Information

"3 Year Coil, 3 Year Kohler Engine, 7 Year AR Pump"

B2B & Tax-Exempt Purchases

We supply contractors, restoration companies, property managers, schools, government agencies, and other tax-exempt organizations.

How to place a tax-exempt order:

  1. Write to us through our Contact Us page or email info@uscleaningtools.com and attach your valid tax exemption certificate (state resale or exemption certificate).
  2. We verify your certificate and mark your account tax-exempt — usually within one business day.
  3. Place your order and sales tax will not be charged.

For volume pricing or purchase orders, call +1 (978) 295-7538.

Shipping & Returns

Free shipping on most brands for orders over $300, delivered to the lower 48 states. Any brand-specific freight rate is shown at checkout before you pay.

Processing & delivery: in-stock orders are processed within 1–2 business days and typically deliver in 5–7 business days. Tracking is emailed within 24 hours of shipment. Built-to-order and backordered equipment shows its lead time on this page.

Freight deliveries: inspect your equipment on arrival and note any damage on the delivery receipt. Items damaged in transit or defective on arrival are fully covered at no cost to you.

Cancellations: cancel any time before your order ships. Refunds are issued for the order total minus the non-refundable payment processing fee (2.9% + $0.30), so a cancellation is not always a 100% refund. No fee is deducted if we cancel the order or the item arrives damaged or defective.

30-day returns: return unused equipment in its original packaging within 30 days of delivery. Change-of-mind returns are subject to a restocking fee. To start a return, email info@uscleaningtools.com or call +1 (978) 295-7538.

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Frequently Asked Questions

What engine powers the Mi-T-M HS-3505-1MGK?
The HS-3505-1MGK uses a 674cc Kohler CH640 OHV engine with electric start and sealed battery included. The engine fuel tank holds 10.0 gallons.
What is the pressure and flow of the HS-3505-1MGK?
The HS-3505-1MGK delivers 3500 PSI at 4.7 GPM — the same as the 1MGM (Mi-T-M OHV) and 1MGH (Honda GX630); engine choice is the differentiating factor.
What is the BTU output of the HS-3505-1MGK burner?
The burner delivers 471,800 BTU/hr with a 150°F temperature rise to 200°F max outlet. Fuel consumption is 3.37 gph from the 10-gallon burner tank.
Does the HS-3505-1MGK include a generator?
Yes. A 2900-watt generator is included for powering accessories and electrical components at remote job sites.
Is the Kohler CH640 widely serviceable?
Yes. The Kohler CH640 is a widely distributed commercial OHV engine with service available through Kohler dealer networks nationwide, including agricultural dealers, small engine shops, and equipment service centers.
What fuel does the HS-3505-1MGK burner use?
The burner runs on No.1 or No.2 diesel or kerosene. Bio-fuel is not approved. Fuel consumption is 3.37 gph from the 10-gallon onboard burner tank.

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