593-3840 30R-0465 E374 E395 E374GC E395GC Rotary Hydraulic Pump E395GC hydraulic pump for Caterpillar Excavator Swing Drive Motors

We are proud to introduce the New 593-3840 (also cross-referenced as 30R-0465) Rotary Hydraulic Pump, specifically designed for the next generation of Caterpillar large excavators. This high-pressure rotary pump is the heart of the Swing Drive Motor assembly, ensuring smooth, powerful, and precise rotation for your E374 and E395 series machines.

As a New Arrival in our inventory, this pump meets the rigorous demands of heavy-duty mining and construction applications where uptime is critical.

Part Number: 593-3840 / 5933840

Alternative Part Number: 30R-0465 / 30R0465

Application: Swing Drive Motor / Rotary Group

Machine Compatibility: Caterpillar (CAT) Excavators

Applicable Models: E374, E374GC, E395, E395GC

Condition: 100% Brand New Aftermarket / OEM Quality

Material: High-strength forged steel and wear-resistant alloy

Direct OEM Replacement: Seamlessly replaces original CAT part numbers 593-3840 and 30R-0465 without any modifications.

Optimized for "GC" Series: Specially tested for E374GC and E395GC models to maintain consistent hydraulic flow and pressure.

Enhanced Durability: Features advanced surface treatment on the rotary group to resist cavitation and heat buildup during continuous swing operations.

Cost-Effective Solution: Provides the same reliability as original Caterpillar parts at a significantly more competitive price point.

The swing system is under constant stress. If your E395 or E374 is experiencing sluggish rotation, unusual noise during swinging, or hydraulic oil overheating, it’s time to replace the rotary pump. Installing our new 593-3840 will restore your machine's cycle times and prevent further damage to the swing gearbox.

Guangzhou Tieqi Engineering Machinery Co., Ltd. ("IRON CAVALRY") is strategically located in Guangzhou's Huangpu District, approximately one hour from Baiyun International Airport. With nearly 15 years of specialization in engineering machinery hydraulics, we have built a reputation for excellence and reliability.

Driven by our core values of "Pragmatism and Progress," we are committed to delivering practical solutions and upholding our responsibilities. This principle-driven approach defines all our operations and client partnerships.

In China's excavator hydraulic assembly sector, our efficient execution and rigorous manufacturing approach ensure that every product meets over 95% of original performance specifications, building widespread trust among our clients.

For large items, we use sturdy plywood crates secured with metal fasteners for added stability. Inside, products are cushioned with bubble wrap and secured with wooden braces, with special attention given to protecting vulnerable parts. Externally, crates are reinforced with high-strength PET plastic strapping and wrapped in highly waterproof black film.

• Comprehensive one-stop solutions for all hydraulic needs
• High-quality products at competitive prices
• Exceptional customer service that makes you feel valued
• Large inventory, short delivery times, and long warranty periods
• Professional expertise with accurate part number identification for excavator components