Today's Shipment: Aftermarket Caterpillar 398-7471 (3987471) Hydraulic Piston Pumps

Today's Shipment: Aftermarket Caterpillar 398-7471 (3987471) Hydraulic Piston Pumps

NINGBO, China – August 27, 2026 — PHPFluid officially completed quality inspection, export packaging and full shipment of aftermarket Caterpillar 398-7471 (3987471) hydraulic piston pumps. The batch is delivered to a professional heavy equipment repair and distribution client in North America, supporting local CAT backhoe loader fleet maintenance and aftermarket replacement demands.

This CAT 398-7471 hydraulic pump is a direct OEM replacement axial piston pump, perfectly compatible with Caterpillar backhoe loader models 427F2, 428F2, 434F2 and 427E. All units are 1:1 matched with original mounting size, port position and installation parameters, requiring no modification during replacement, which greatly improves maintenance efficiency for North American construction equipment fleets.

Full Product Technical Specifications (CAT 398-7471)

• Part Number: 398-7471 / 3987471

• Pump Type: Axial Piston Variable Displacement Hydraulic Pump, Closed-Center System

• Rated System Working Pressure: 250 Bar (3626 PSI) for loader & backhoe hydraulic system

• Standard Flow Capacity: 42.3 GPM (160 L/min) @ 2200 RPM rated speed

• Applicable Equipment: Caterpillar Backhoe Loader 427E, 427F2, 428F2, 434F2

• Sealing Material: High-temperature resistant NBR composite seal, adapting to North American outdoor high and low temperature working conditions

• Working Temperature Range: -20°C to +71°C (-4°F to +160°F)

• Processing Standard: ISO-certified precision machining, consistent with original equipment assembly tolerance

Quality & Shipment Details

Before shipment, the two CAT 398-7471 hydraulic piston pumps passed strict factory bench tests, including pressure resistance testing, flow stability testing, no-load and load operation testing to ensure zero leakage and consistent hydraulic performance. Each pump is equipped with complete accessories and inspection reports to meet North American aftermarket equipment maintenance standards.

For transoceanic transportation, we adopted professional export-grade packaging with moisture-proof film, shockproof foam and reinforced wooden box packaging, effectively avoiding vibration, moisture and collision damage during long-distance sea freight, ensuring intact delivery to North American ports.

• Performance Feature: Stable variable flow output, low noise, strong anti-pollution ability, suitable for long-term heavy-duty construction operation

• Aftermarket Advantage: Plug-and-play replacement, same performance as OEM parts with more competitive cost and shorter delivery cycle

Market Significance

North America is one of PHPFluid’s core strategic markets. Local equipment distributors and repair workshops have long-term demand for high-cost-performance CAT aftermarket hydraulic parts. This batch of 398-7471 pump delivery further enriches our on-demand delivery capacity for CAT backhoe loader hydraulic accessories, helping North American clients effectively reduce equipment downtime and overall maintenance costs.

PHPFluid keeps sufficient inventory of CAT series hydraulic pumps, John Deere piston pumps, Denison vane pump cartridge kits and other mainstream hydraulic replacement parts, supporting fast delivery and customized aftermarket solutions for global customers, especially North American regional partners.

About PHPFluid

Ningbo PHP Hydraulics Co., Ltd. (PHPFluid) focuses on aftermarket hydraulic replacement parts for construction machinery. We supply high‑quality piston pumps, vane pump cartridge kits, hydraulic motors and related spare parts for heavy‑equipment distributors and service partners across North America, Latin America and global markets, balancing dependable quality and competitive total‑cost‑of‑ownership for end‑users.

As a professional global supplier of aftermarket hydraulic components, focuses on offering high-quality replacement pumps, motors and spare parts for mainstream brands including Rexroth, Danfoss, Vickers, Caterpillar, Volvo, Kawasaki, Komatsu, and other major brands.

Inquiry CTA

For inquiries and customized quotations of Caterpillar series hydraulic piston pumps and other aftermarket hydraulic spare parts, please feel free to contact our professional sales team.

Pls contact us directly by：

Tel./WhatsApp/WeChat: +86 138 6780 9523

Email: wfu@phpfluid.com

we can discuss the details, thanks.

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