1. Product Overview
What is this product?This is a TonHydro fully assembled, high-performance aftermarket hydraulic main pump specifically designed as a direct replacement for the Caterpillar 303.5D 4-ton excavator.
What quality standards does it meet?Manufactured to precise engineering specifications using premium materials, this TonHydro aftermarket hydraulic main pump delivers performance that meets or exceeds OEM standards while offering excellent value and reliability.
Who should purchase this pump?Ideal for CAT 303.5D owners, equipment maintenance technicians, repair facilities, and rental companies seeking a dependable, cost-effective TonHydro aftermarket replacement solution.
2. Specifications & Compatibility
Which excavator is this pump compatible with?This TonHydro aftermarket hydraulic main pump is specifically engineered for the Caterpillar 303.5D 4-ton mini excavator. Always verify your exact machine model and serial number before purchase.
What are the technical specifications?- Brand: TonHydro
- Compatibility: Caterpillar 303.5D (4-ton model)
- Condition: New, fully assembled
- Package Weight: 35 kg
- Package Dimensions: 40 × 33 × 30 cm
- Type: Aftermarket hydraulic main pump replacement
How complex is installation?The TonHydro pump is supplied completely assembled and ready for installation, designed as a direct bolt-on replacement requiring no modifications, making the process straightforward for qualified technicians.
3. Performance & Reliability
What performance level can I expect?This TonHydro aftermarket hydraulic main pump is engineered to restore your excavator's original hydraulic performance, including proper flow rates, pressure settings, and system responsiveness for all operational functions.
How durable is this construction?Built with industrial-grade components and precision manufacturing processes, this TonHydro aftermarket pump is designed to withstand the demanding conditions of regular excavator operation with appropriate maintenance.
Will installation require modifications?No modifications are necessary. All mounting points, port configurations, and connection interfaces of this TonHydro aftermarket pump are designed to match the original pump specifications precisely, ensuring proper fit and function.
4. Warranty & Shipping
What warranty coverage is provided?This TonHydro aftermarket hydraulic main pump includes a 12-month (1-year) warranty against manufacturing defects and premature failures under normal operating conditions.
