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Mi-T-M CBA-4004-1MCK Belt Drive Pressure Washer – 4000 PSI, Kohler CH440

Mi-T-M CBA-4004-1MCK Belt Drive Pressure Washer – 4000 PSI, Kohler CH440

Brand: Mi-T-M SKU: CBA-4004-1MCK In Stock – Ready to Ship
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Mi-T-M CBA-4004-1MCK Aluminum Series Belt Drive Pressure Washer

The Mi-T-M CBA-4004-1MCK is a gasoline belt-drive pressure washer rated at 4,000 PSI and 3.7 GPM, powered by a 429cc Kohler CH440 OHV engine paired with a CAT triplex pump. The aluminum frame with patented vibration isolation plate reduces operator fatigue and protects components from shock loads. An external bypass system and thermal relief valve protect the pump from heat buildup during extended operation. Weight: 156 lbs. 49-state compliant; not for sale in California.

CBA-4004-1MCK Engine and Pump Configuration

  • Pressure: 4,000 PSI
  • Flow rate: 3.7 GPM
  • Engine: 429cc Kohler CH440 OHV (49-state)
  • Pump: CAT triplex with external bypass, forged brass manifold, thermal relief valve, clear-sleeve water filter
  • Unloader: Adjustable pressure
  • Lance: 48 in.
  • Tires: 13" flat-free
  • Included: Quick-connect nozzles (0°, 15°, 25°, 40°), 50 ft non-marking hose, insulated trigger gun

Industrial Cleaning Applications for the CBA Series

The 4,000 PSI / 3.7 GPM rating (14,800 Cleaning Units) is sufficient for fleet washing, concrete surface prep, graffiti removal, and construction equipment washdown. Belt-drive transmission lowers pump RPM relative to engine speed, extending pump life over direct-drive configurations under continuous-duty commercial use. The two-piece belt guard allows service access without full disassembly.

Related: Pressure Washers · Gasoline Pressure Washers · Commercial Cleaning Equipment

Frame Construction and ETL Certification

The corrosion-resistant aluminum frame is significantly lighter than steel-frame CWC models while maintaining structural rigidity. ETL certified for the US market. Optional CX-0118 skid feet available for stationary installations (must be ordered with unit). Dimensions: 47" × 27.5" × 28.5".

Model CBA-4004-1MCK
PSI 4,000
GPM 3.7
Engine 429cc Kohler CH440 OHV
Pump CAT
Unloader Adjustable Pressure
Lance 48 in.
Dimensions 47" × 27.5" × 28.5"
Net Weight 156 lbs
Certification ETL – US

Documents: Spec Sheet · Manual

Product Warranty Information

"3 Year Rehlko Engine, 7 Year CAT Pump"
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Frequently Asked Questions

What engine does the CBA-4004-1MCK use?
The CBA-4004-1MCK uses a 429cc Kohler CH440 OHV 4-stroke engine. It is a 49-state compliant engine and is not for sale in California without a CARB-compliant alternative from the factory.
What pump does the CBA-4004-1MCK use?
The CBA-4004-1MCK uses a CAT triplex pump with external bypass system, forged brass manifold, thermal relief valve, and a clear-sleeve water filter for visual inspection without disassembly.
What is the Cleaning Units (CU) rating of the CBA-4004-1MCK?
Cleaning Units = PSI × GPM = 4,000 × 3.7 = 14,800 CU. This puts the CBA-4004-1MCK in the high-duty category for fleet washing, construction site cleanup, and graffiti removal.
Why does the CBA series use a belt-drive rather than direct-drive?
Belt drive reduces pump RPM relative to engine speed, which lowers pump wear and heat generation compared to direct-drive systems where pump and engine RPM are coupled 1:1. This results in longer pump service intervals under continuous commercial operation.
What is the vibration isolation plate on the CBA frame?
Mi-T-M's patented vibration isolation plate mounts between the engine/pump assembly and the aluminum frame, dampening vibration transmitted to the frame and operator, reducing fatigue and protecting frame fasteners from loosening during extended operation.
What accessories are included with the CBA-4004-1MCK?
The CBA-4004-1MCK ships with a set of 4 quick-connect nozzles (0°, 15°, 25°, 40°), a 50 ft non-marking hose, a 48" lance, and an insulated trigger gun.

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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.

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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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