CA-4004-1MAV Gas Pressure Washer — CA Aluminum Series 4000 PSI with Vanguard OHV
The CA-4004-1MAV produces 4000 PSI at 3.5 GPM — 14,000 cleaning units — from a 408cc Briggs and Stratton Vanguard OHV engine paired with an AR crankshaft pump on Mi-T-M's 125-lb aluminum frame. It is one of four engine variants on the CA-4004 standard frame alongside Honda GX390 (1MAH), Kohler CH440 (1MAK), and Mi-T-M OHV (1MAM). The Vanguard is the choice for operations already running Briggs and Stratton Vanguard engines in generators, turf equipment, or other commercial machinery — consolidating parts and service across a Vanguard-engine fleet.
CA-4004-1MAV Engine Platform and 4000 PSI Output
The 408cc Vanguard OHV uses a cast-iron cylinder sleeve, overhead valve configuration, and pressure-lubricated main bearings — construction features consistent with Vanguard's commercial-duty engine line. At 14,000 CU the CA-4004 handles dense industrial fouling, coating stripping, and large-fleet washing that the CA-3504 (12,250 CU) addresses less efficiently. The 125-lb aluminum frame is approximately 17 lbs lighter than the steel-frame JP-4004 at the same CU output.
4000 PSI at 3.5 GPM (14,000 CU) — maximum standard output on the CA aluminum frame; handles coating prep, dense industrial fouling, and heavy fleet washing
AR crankshaft pump, forged brass manifold, thermal relief valve — AR rated for sustained 4000 PSI; brass handles mineral water; thermal valve protects pump during idle
125-lb corrosion-resistant aluminum frame, 13-in flat-free tires — lighter than steel-frame alternatives at this CU level; rust-resistant outdoor storage
Vibration isolation plate, 50-ft hose, 48-in lance — vibration dampening extends seal life; 48-in lance for elevated and large-equipment cleaning
CX-0098 External Bypass available — must be ordered with unit; prevents AR pump heat build-up during trigger-closed idle at 4000 PSI
CA-4004-1MAV Applications and Environments
Facilities and contractors operating Vanguard-powered generators, line stripers, or commercial turf equipment add the CA-4004-1MAV to unify their engine platform: one parts supplier, one oil specification, and shared technician knowledge across all Vanguard-powered equipment. Industrial cleaning operations use the 14,000 CU output for machinery with accumulated heavy fouling from oils, cutting fluids, and process residues. Fleet operators washing heavy commercial vehicles benefit from the 4000 PSI effectiveness on dense road contamination. The aluminum frame keeps the unit at 125 lbs — manageable for solo operators moving between cleaning stations at large facilities.
CA-4004-1MAV GPM, PSI, and Nozzle Configuration
Rated at 3.5 GPM at 4000 PSI (14,000 cleaning units) at rated flow. Includes quick-connect nozzles in 0°, 15°, and 25° patterns; 50-ft × 3/8-in non-marking high-pressure hose; 48-in lance with insulated trigger gun. Cold water only. 49-state engine — not for sale in California.
"1 Year Unloader, 3 Year Honda Engine, 7 Year Pump"
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We supply contractors, restoration companies, property managers, schools, government agencies, and other tax-exempt organizations.
How to place a tax-exempt order:
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).
We verify your certificate and mark your account tax-exempt — usually within one business day.
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 for a full 100% refund.
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.
Why choose the Vanguard OHV (1MAV) over the Honda GX390 (1MAH) on the CA-4004?
All CA-4004 standard variants produce 4000 PSI / 3.5 GPM (14,000 CU) from the same 125-lb aluminum frame. Choose 1MAV if your operation already runs Briggs and Stratton Vanguard engines in other equipment — generators, turf equipment, sweepers — consolidating parts, oil, and service to one engine platform reduces procurement complexity and inventory.
Does the CA-4004-1MAV have ETL listing?
ETL listing is not specified for the CA-4004-1MAV (Vanguard variant) in the product data. Buyers requiring ETL certification for facility procurement should select the CA-4004-1MAH (Honda) or CA-4004-1MAK (Kohler) variants, both of which carry ETL listing.
What is the displacement of the 408cc Vanguard OHV and how does it compare to other CA-4004 engines?
The Vanguard OHV at 408cc is between the Honda GX390's 389cc and the Kohler CH440's 429cc. All three displacements are in the commercial single-cylinder range appropriate for sustained 4000 PSI operation. The minor displacement differences do not materially affect rated output under normal operating conditions.
Can the CA-4004-1MAV be sold or used in California?
No. The 408cc Vanguard OHV is a 49-state engine that does not comply with California CARB small engine emissions regulations. The CA-4004-1MAV cannot be sold or registered for operation in California.
What is the CU output of the CA-4004-1MAV and how does it compare to the CA-4004-1MCH?
The CA-4004-1MAV produces 4000 × 3.5 = 14,000 CU with the AR pump at 3.5 GPM. The CA-4004-1MCH produces 4000 × 4.0 = 16,000 CU with a CAT pump at 4.0 GPM — 14% more cleaning output. The 1MCH also weighs 128 lbs (3 lbs more) and uses a Honda GX390 engine with the integrated external bypass.
What bypass protection is available for the CA-4004-1MAV?
The CX-0098 External Bypass System must be ordered with the unit. At 4000 PSI operation, closing the trigger without the bypass can cause heat build-up in the AR pump head. The CX-0098 allows additional water flow through the pump during idle periods, protecting seals and pump valves from thermal damage.
Frequently Asked Questions
1. What payment methods can I use?
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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