Barens Pressure Washer Pump 4000

SKU: CAT-66DX40GG1

$807.00 $928.00

You Save: $121.00 14%

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Cat Pumps 4.0 GPM @ 4000 PSI Triplex Pressure Washer Pump – 1" Hollow Shaft, Direct Drive

Upgrade or replace your worn-out pressure washer pump with this high-performance Cat Pumps triplex plunger pump, engineered for durability, reliability, and smooth operation. This pump is pre-plumbed, pre-tested, and ready to mount directly to most gas engines with a standard 4-bolt face plate—no need to replace your entire pressure washer.

Designed for fast field replacement, this unit offers long-term value with a rebuildable design, ceramic plungers for extended seal life, and integrated chemical injection capabilities.

Key Features:

Direct Replacement for Worn Pumps
Quickly replace your existing unit without the cost of a full system replacement. Pre-configured to mount directly to compatible engines.
Powerful Performance
Delivers 4.0 GPM at 4000 PSI, ideal for commercial and heavy-duty pressure washing applications.
Triplex Ceramic Plunger Pump
Solid ceramic plungers provide even wear, improve durability, and extend seal life. Triplex design ensures smooth and consistent liquid flow.
Built for Compatibility
Fits engines with 4-bolt face plates (bolts not included; reuse existing hardware). Includes chemical injector port for detergent application.
Engine Mount Specifications:
- Shaft: 1" (25.4mm) hollow shaft
- Bore Diameter: 14mm (.551")
- Stroke: 11.4mm (.449")
- Engine Power Required: 14 HP
- RPM: 3400
- Crankcase Oil Capacity: 18 oz.
Operating Temperature:
- Max water temperature: 140°F
Note:
This unit does not include an unloader, thermal relief valve, or bypass valve. Be sure to measure your shaft and bolt holes accurately before ordering.

Important Return Policy:

A 25% restocking fee applies to returned pumps. Please double-check engine compatibility and shaft measurements before purchase.

Order Processing Time: We typically process orders within 1 to 2 days. Please be aware that the deadline for placing orders is 6 p.m. Orders submitted after this time will be processed the next business day. Shipping Information: Expect your order to arrive in 4 to 7 days. We offer free shipping for orders over $200. For orders below $200, a flat shipping fee of $15 applies. Please note that we currently only ship within the United States. International shipping is not available. The majority of our orders are dispatched via third-party freight carriers (18-wheelers). In case your order includes an item that requires freight shipping, we will contact you to schedule a curbside delivery. Ensure that your contact number is correct at checkout. Order Confirmation and Payment: After you place your order, a confirmation email will be sent to you. This confirms that your order is registered in our system and your credit card is authorized for the purchase. Your card will be charged only when the item is shipped. For backordered items, we might hold a charge to reserve the product for you. As soon as we receive your order, we begin processing it immediately!

We're committed to offering you the best prices available online. If you come across a lower price on another online store, let us know, and we'll not just match it — we'll beat it. We aim to give you the assurance that you're getting the best possible price for your purchase. Our Price Match Guarantee, however, comes with certain conditions: Offers like rebates, and 'buy one, get one free' deals are not included.The competing website cannot be a discount or auction platform (for example, eBay). The competing retailer must be an authorized seller of the item in question. The guarantee takes into account the total cost, including the item's price, sales tax, and shipping charges. Please note, our Price Match Guarantee does not apply to exchange orders. If you want us to match or beat a price, just call us today (

At Attachment Selection, we want to make your shopping experience worry-free, so we've simplified our returns and refunds process: Return Period: Items can be returned within 30 days of purchase. Unfortunately, we cannot accept returns after this 30-day period. Shipping Costs for Returns: If your purchase is defective or not as described, we'll cover the return shipping cost. However, if you're returning an item due to a change of mind, the shipping cost will be your responsibility. Defective or Damaged Items: If you receive a defective or damaged product, please inform us within 30 days. We'll arrange a return at no extra cost to you. After receiving and inspecting the item, we'll either replace it or refund you in full, including shipping costs. Returns Due to Change of Mind: If you change your mind about your purchase, you have 30 days to return it. Remember, you will be responsible for the return shipping cost. The item must be unused and in its original packaging. Upon receipt and inspection, we'll refund the cost of the item, excluding shipping charges. Processing Refunds: Once we receive and verify the returned item, we'll initiate a refund to your original payment method within 7 business days. Note that it might take some time for your bank or card to reflect the refund. If you don't see the refund after 10 business days, please contact us at support@athleteselection.com. Please be aware that a restocking fee may apply in certain return scenarios. For any further inquiries regarding our return or refund policy, our Customer Support team is here to help at support@athleteselection.com.

Description

Cat Pumps 4.0 GPM @ 4000 PSI Triplex Pressure Washer Pump – 1" Hollow Shaft, Direct Drive

Designed for fast field replacement, this unit offers long-term value with a rebuildable design, ceramic plungers for extended seal life, and integrated chemical injection capabilities.

Key Features:

Direct Replacement for Worn Pumps
Quickly replace your existing unit without the cost of a full system replacement. Pre-configured to mount directly to compatible engines.
Powerful Performance
Delivers 4.0 GPM at 4000 PSI, ideal for commercial and heavy-duty pressure washing applications.
Triplex Ceramic Plunger Pump
Solid ceramic plungers provide even wear, improve durability, and extend seal life. Triplex design ensures smooth and consistent liquid flow.
Built for Compatibility
Fits engines with 4-bolt face plates (bolts not included; reuse existing hardware). Includes chemical injector port for detergent application.
Engine Mount Specifications:
- Shaft: 1" (25.4mm) hollow shaft
- Bore Diameter: 14mm (.551")
- Stroke: 11.4mm (.449")
- Engine Power Required: 14 HP
- RPM: 3400
- Crankcase Oil Capacity: 18 oz.
Operating Temperature:
- Max water temperature: 140°F
Note:
This unit does not include an unloader, thermal relief valve, or bypass valve. Be sure to measure your shaft and bolt holes accurately before ordering.