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Mi-T-M CBA-3504-1MAK Aluminum Belt Drive Pressure Washer – 3500 PSI, 3.7 GPM, Kohler

Mi-T-M CBA-3504-1MAK Aluminum Belt Drive Pressure Washer – 3500 PSI, 3.7 GPM, Kohler

Brand: Mi-T-M SKU: CBA-3504-1MAK In Stock – Ready to Ship
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Mi-T-M CBA-3504-1MAK — Belt-Drive 3500 PSI with Kohler CH440 and AR Pump

The CBA-3504-1MAK matches the aluminum-frame CBA belt-drive platform to a 429cc Kohler CH440 OHV engine — an alternative to the Honda GX390 in the same displacement class with Kohler's commercial-service support network. AR pump, forged brass manifold, thermal relief valve, and patented vibration isolation plate are standard across the CBA series.

CBA-3504-1MAK Kohler Engine and Belt Drive Configuration

  • 429cc Kohler CH440 OHV engine — Command Pro series horizontal-shaft commercial engine; cast-iron cylinder liner, full-pressure lubrication, 100-hour oil change interval.
  • Belt-drive transmission with two-piece belt guard — runs pump at lower RPM than engine; guard protects belt from debris and water ingestion.
  • AR pump with Mi-T-M adjustable-pressure unloader — consistent pressure output across varying flow demand; Pressure Relief Start for easy engine cranking.
  • Forged brass manifold and thermal relief valve — brass resists corrosion from detergent chemistry; thermal relief activates before pump damage threshold.
  • Corrosion-resistant aluminum frame, 13-inch flat-free tires — 165 lbs. net; flat-free tires eliminate puncture delays on debris-strewn sites.

Applications for Kohler-Powered Pressure Washers

Buyers choosing the Kohler CH440 over Honda GX390 typically cite Kohler's dealer network in agricultural regions where Honda service may be less accessible. Farm and ranch operations running livestock facility washdowns, grain bin cleaning, and equipment degreasing value the CH440's cold-weather starting reliability and full-pressure lubrication system. Industrial cleaning contractors serving Midwest and Southeast markets often standardize on Kohler engines to simplify parts procurement across their entire fleet. The 3,500 PSI / 3.7 GPM output handles concrete pad cleaning, mold removal, equipment surface prep, and vehicle fleet washing without a pressure step-down. ETL certified; 49-state engine — not for California.

Included Accessories and Documentation

Includes quick-connect nozzles 0°, 15°, 25°, and 40°; 50-ft non-marking hose; 48-inch lance; insulated trigger gun. Optional CX-0082 external bypass must be ordered at time of purchase.

PSI 3,500
GPM 3.7
Engine 429cc Kohler CH440 OHV
Pump AR
Unloader Mi-T-M adjustable pressure
Lance 48 in.
Net Weight 165 lbs.
Dimensions (L × W × H) 47.00 × 27.50 × 28.50 in.

Documents

Spec Sheet
Manual

Product Warranty Information

"1 Year Unloader, 3 Year Kohler Engine, 7 Year AR Pump"
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Mi-T-M CBA-3504-1MAK Aluminum Belt Drive Pressure Washer – 3500 PSI, 3.7 GPM, Kohler Mi-T-M CBA-3504-1MAK Aluminum Belt Drive Pressure Washer ...
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Frequently Asked Questions

What engine does the CBA-3504-1MAK use and how does it differ from the Honda version?
The CBA-3504-1MAK uses a 429cc Kohler CH440 OHV Command Pro engine. The Honda-engine equivalent is the CBA-3504-1MAH with a 389cc Honda GX390. Both produce the same 3,500 PSI / 3.7 GPM output — the engine choice determines service network access.
What is the displacement and lubrication system of the Kohler CH440?
The Kohler CH440 displaces 429cc with a cast-iron cylinder liner and uses a full-pressure lubrication system (oil pump fed), not splash lubrication. Full-pressure lubrication maintains consistent oil film across all bearing surfaces during sustained high-RPM commercial operation.
Why would someone choose the Kohler CH440 over the Honda GX390?
Kohler has a broader dealer network in agricultural and rural regions where Honda commercial engine service may be less available. Buyers who prefer standardizing engine parts across their fleet or who operate in areas with strong Kohler dealer coverage choose the 1MAK variant.
What PSI and GPM does the CBA-3504-1MAK produce?
The CBA-3504-1MAK delivers 3,500 PSI at 3.7 GPM, generating a cleaning units (CU) rating of 12,950 — a heavy commercial output level suitable for concrete, masonry, equipment, and fleet washing.
Does the CBA-3504-1MAK have a pump bypass system?
The unit includes a thermal relief valve standard. An optional CX-0082 external bypass system — which actively recirculates water when the trigger is released — can be added, but must be specified at the time of ordering and cannot be field-retrofitted.
What does the two-piece belt guard do?
The two-piece belt guard encloses the drive belt and pulleys to prevent water, debris, and chemicals from contacting the belt — extending belt life and protecting the operator from contact with moving parts.

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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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