2354109 Main Hydraulic Pump for CAT 420D, 432D & 442D Backhoe Loaders | 235-4109 Replacement Unit

High-efficiency replacement main hydraulic pump engineered for CAT 420D, 432D, and 442D backhoe loaders. This 235-4109 (2354109) unit delivers the precise high-pressure oil flow necessary for heavy-duty digging, loading, and steering operations in challenging construction environments.

Restore Your Machine’s Hydraulic Precision Is your CAT loader showing signs of slow cycle times or reduced breakout force? A worn main pump is often the root cause of lost productivity. Our 2354109 replacement pump is engineered to bring your equipment back to its factory-specified speed and power, ensuring zero compromise on the job site.

Why Choose Our Replacement Pump?

• Direct Bolt-On Fit: Precision-matched to original CAT 235-4109 specifications, allowing for a fast installation without custom modifications.
• Extreme Durability: Constructed with a high-strength, anti-wear cast iron housing to withstand continuous operation at 350+ Bar pressures.
• Reliable Performance: Every unit is factory-tested under load to guarantee leak-free operation and long-term service life in harsh conditions.

•    Q: Which CAT models use the 2354109 hydraulic pump? 
•     A: The 2354109 (235-4109) pump is the primary main pump for CAT 420D, 432D, and 442D backhoe loaders. It is critical for all major hydraulic functions.
•    Q: How does the 235-4109 pump improve hydraulic efficiency? 
•    A: By utilizing optimized variable axial piston technology, the 2354109 pump delivers exact oil flow based on the load requirement, reducing wasted energy and heat buildup.
•    Q: What is the recommended fluid maintenance for a new 2354109 pump?
•    A: To protect your investment, always flush the system and install new hydraulic filters when replacing a pump. Use high-grade CAT-standard ISO hydraulic oil for optimal lubrication.

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 specialized experience in engineering machinery hydraulics, we have established ourselves as industry leaders in heavy equipment components.

• Ready inventory of over 500 assembly types, providing access to more than 6,000 different parts
• Core products include hydraulic pumps, control valves, travel, and swing assemblies
• Specialization in large mining excavator components and hard-to-find items
• 4,000-square-meter factory equipped for professional manufacturing, precision assembly, and rigorous testing
• Integrated supply chain providing cost-effective, convenient one-stop solutions

For large items, we use sturdy plywood crates secured with metal fasteners. Products are carefully cushioned with bubble wrap and secured with wooden braces. External crate reinforcement includes high-strength PET plastic strapping and waterproof black film to ensure safe transit and delivery.

• One-stop solution for all your hydraulic needs
• High-quality products at competitive prices
• Exceptional customer service that makes you feel at home
• Large inventory with short delivery times and long warranty periods
• Professional expertise with accurate data for excavator part number inquiries
• Ability to source parts for nearly all your equipment needs

For detailed specifications, pricing information, or technical consultation, please contact our sales team for personalized assistance.