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Mi-T-M CBA-4004-1MAH Aluminum Belt Drive Pressure Washer – 4000 PSI, 3.4 GPM, Honda

Mi-T-M CBA-4004-1MAH Aluminum Belt Drive Pressure Washer – 4000 PSI, 3.4 GPM, Honda

Brand: Mi-T-M SKU: CBA-4004-1MAH In Stock – Ready to Ship
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Mi-T-M CBA-4004-1MAH — Belt-Drive 4000 PSI with Honda GX390 and AR Pump

The CBA-4004-1MAH delivers 4,000 PSI through a belt-driven AR pump powered by a 389cc Honda GX390 OHV engine — stepping up pressure from the 3,500 PSI CBA-3504 range while keeping the same aluminum frame and 165-lb weight. Belt drive runs the pump at reduced RPM for cooler, longer-lasting operation at this higher pressure rating.

CBA-4004-1MAH Engine, AR Pump, and Belt Drive System

  • 389cc Honda GX390 OHV engine — commercial cast-iron bore; Pressure Relief Start; Mi-T-M adjustable unloader.
  • AR pump at 4,000 PSI / 3.4 GPM — AR triplex pump delivers 13,600 CU cleaning output; forged brass manifold withstands sustained high-pressure cycling.
  • Belt-drive transmission — runs pump below engine RPM; generates less heat than direct-drive at equivalent pressure, extending seal life.
  • Thermal relief valve and clear-sleeve water filter — heat protection; filter inspectable without tools during mid-shift checks.
  • Aluminum frame with vibration isolation plate, 13-inch flat-free tires — lighter than steel-frame 4,000 PSI units; tires handle debris-covered job sites.

Heavy-Duty Cleaning Applications at 4000 PSI

At 4,000 PSI, the CBA-4004-1MAH handles tasks that lower-pressure machines cannot complete in a single pass: industrial graffiti removal from concrete and masonry, removing rubber tire marks from parking structures, stripping peeling paint from metal equipment and steel structures, and cleaning caked-on concrete residue from form work. Construction site cleaning contractors use 4,000 PSI belt-drive machines for daily equipment wash-down where volume of work requires a pump that holds up through multi-hour continuous operation. ETL certified; 49-state — not for California; optional CX-0082 external bypass must be ordered with unit.

Included Accessories and Documentation

Includes quick-connect nozzles 0°, 15°, 25°, and 40°; 50-ft non-marking hose; 48-inch lance; insulated trigger gun.

PSI 4,000
GPM 3.4
Engine 389cc Honda GX390 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 Honda Engine, 7 Year Pump"
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Frequently Asked Questions

What PSI and GPM does the CBA-4004-1MAH produce?
The CBA-4004-1MAH delivers 4,000 PSI at 3.4 GPM (13,600 cleaning units). This higher pressure versus 3,500 PSI models is suited for tasks like graffiti removal, rubber deposit stripping, and paint preparation on metal surfaces.
Why does the 4000 PSI model have a lower GPM (3.4) than the 3500 PSI model (3.7)?
Pump output is a trade-off between pressure and flow at a given horsepower level. The AR pump in the CBA-4004 series is configured for higher pressure at the cost of slightly lower flow rate. Total cleaning units (PSI × GPM) are comparable: 13,600 CU vs 12,950 CU.
Is the CBA-4004-1MAH suitable for paint stripping?
Yes. At 4,000 PSI with a 0° or 15° nozzle, the CBA-4004-1MAH removes peeling paint from metal, wood, and masonry surfaces. For full paint stripping, maintain a 6–10 inch nozzle-to-surface distance and work in overlapping strokes.
Does the CBA-4004-1MAH have pump bypass protection?
The unit includes a thermal relief valve as standard. An optional CX-0082 external bypass system — which actively recirculates water when the trigger is released — is available but must be ordered at the time of purchase.
What is the weight and frame material of the CBA-4004-1MAH?
Net weight is 165 lbs. on a corrosion-resistant aluminum frame with Mi-T-M's patented vibration isolation plate. Most comparable steel-frame 4,000 PSI belt-drive machines weigh 180–210 lbs.
Is the CBA-4004-1MAH available for California buyers?
No. The 49-state Honda GX390 in this configuration does not meet CARB emissions standards. California buyers need a CARB-compliant engine variant — contact Mi-T-M factory sales.

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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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