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Mi-T-M HS-4004-1MAK Hot Water Pressure Washer – 4000 PSI, 4.0 GPM

Mi-T-M HS-4004-1MAK Hot Water Pressure Washer – 4000 PSI, 4.0 GPM

Brand: Mi-T-M SKU: HS-4004-1MAK In Stock – Ready to Ship
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Mi-T-M HS-4004-1MAK Hot Water Pressure Washer – 4000 PSI, 4.0 GPM

The Mi-T-M HS-4004-1MAK is a skid-mounted hot water pressure washer rated at 4000 PSI and 4.0 GPM, powered by a 674cc Kohler CH640 OHV engine and an AR belt-drive pump. It produces 386,400 BTU/hr and delivers water at up to 200°F outlet temperature (150°F rise above ambient). At 750 lbs with a heavy-duty powder-coated steel frame and 2900-watt generator, it is designed for trailer mounting or truck-bed installation for mobile industrial cleaning operations.

Pressure, Heat, and Engine Output

  • Pressure: 4000 PSI at 4.0 GPM — maximum cleaning force for industrial degreasing, fleet washing, heavy equipment cleaning, and construction site cleanup.
  • Max outlet temperature: 200°F — 150°F rise above ambient; high-temperature output destroys grease, oil, and biological contamination more effectively than lower-temperature units.
  • Heating: 386,400 BTU/hr — high-output burner with ½-inch Schedule 80 coil and stainless-steel wrap for sustained hot water delivery at full flow rate.
  • Engine: 674cc Kohler CH640 OHV — electric start with sealed battery included; 10.0-gallon engine fuel tank for extended run time between refuels.
  • Pump: AR belt-drive — external bypass system protects from heat buildup; factory-preset unloader with forged brass manifold and stainless-steel inlet strainer.
  • Generator: 2900W — onboard power for accessories and electric components at remote job sites without a separate generator.

Installation and Mobility

The HS-4004-1MAK is designed for trailer or truck-bed mounting with its compact 50" × 34" footprint relative to its 750 lb weight. The powder-coated steel frame includes mounting provisions for secure bolting to a trailer deck. The dual cogged belt drive system transfers power smoothly from engine to pump while dampening vibration. Optional accessories that must be ordered with the unit: HX-0142 Steam Combination (250°F outlet), HX-0145 Adjustable Thermostat (86°F–248°F), HX-0146 Hour Meter, HX-0147 Four-Point Lifting, HX-0148 Adjustable Detergent Valve, and HX-0130 Three-way Ball Valve.

Fuel and Safety

The burner runs on No.1 or No.2 diesel or kerosene from the 10-gallon burner tank at 2.76 gph consumption. Bio-fuel is not approved. CARB-compliant models are available for California (consult factory). The HS-4004-1MAK uses a trapping unloader rather than the K7 flow-actuated unloader used on some other HS series models — verify when comparing specifications.

Specifications

Model HS-4004-1MAK
Pressure 4000 PSI
Flow Rate 4.0 GPM
Engine 674cc Kohler CH640 OHV
Pump AR belt-drive
BTU/hr 386,400
Max Outlet Temperature 200°F (150°F rise)
Generator 2900W
Engine Fuel Tank 10.0 gal
Burner Tank 10.0 gal
Fuel Consumption 2.76 gph
Weight 750 lbs
Dimensions (L × W × H) 50" × 34" × 46"

Documents

Spec Sheet

Manual

Product Warranty Information

"3 Year Coil, 3 Year Kohler Engine, 7 Year AR Pump"
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Frequently Asked Questions

What pressure and flow does the Mi-T-M HS-4004-1MAK deliver?
The HS-4004-1MAK delivers 4000 PSI at 4.0 GPM — higher flow than the HMT mini trailer models — suited for industrial degreasing, fleet washing, and heavy equipment cleaning.
What is the maximum outlet water temperature?
The HS-4004-1MAK delivers water at up to 200°F outlet temperature — 150°F above ambient — through the 386,400 BTU/hr burner with Schedule 80 stainless-wrapped heating coil.
What engine is used in the HS-4004-1MAK?
The HS-4004-1MAK uses a 674cc Kohler CH640 OHV engine with electric start and a sealed battery included. The engine fuel tank holds 10.0 gallons.
Does the HS-4004-1MAK include a generator?
Yes. The HS-4004-1MAK includes a 2900-watt onboard generator for powering accessories and electric components at remote job sites without a separate generator.
What type of pump does the HS-4004-1MAK use?
The HS-4004-1MAK uses an AR belt-drive pump with an external bypass system, factory-preset unloader, forged brass manifold, and stainless-steel inlet strainer for sustained high-pressure performance.
What fuel does the HS-4004-1MAK burner use?
The burner runs on No.1 or No.2 diesel or kerosene from the 10-gallon burner tank at 2.76 gallons per hour. Bio-fuel is not approved. CARB-compliant models available for California — consult factory.

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Frequently Asked Questions

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We accept Visa, MasterCard, American Express, Diners Club, Discover, major debit cards, and digital wallets like PayPal, Google Pay, Meta Pay, and Apple Pay.

2. When will my payment be processed?

Your credit/debit card or PayPal account will be charged when you place your order. Secure payment processing protects your information.

3. Will I receive an order confirmation?

Yes, a confirmation email will be sent to the provided email address once the order is placed.

4. How long does it take to process an order?

Orders are processed within 1-2 business days and then prepared for shipment.

5. How long does it take for my order to arrive?

Estimated arrival time (ETA) is 5-7 business days for all orders.

6. Do you offer warranty?

All our products come with a manufacturer warranty of at least 1 year, depending on the brand.

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