1. Product Overview
What is this product?This is a TonHydro fully assembled, high-performance hydraulic main pump (Part Number: 416-5057) specifically engineered as a direct replacement for the Caterpillar 304E 4-ton mini excavator, featuring reliable aftermarket quality.
What quality standards does it meet?Manufactured to precise specifications using durable materials, this TonHydro pump delivers performance that meets or exceeds original equipment standards, with premium aftermarket quality offering excellent reliability at a competitive price.
Who should consider this pump?This TonHydro pump is ideal for CAT 304E owners, equipment maintenance professionals, repair shops, and rental companies seeking a dependable, cost-effective aftermarket replacement solution.
2. Specifications & Compatibility
Which excavator model is this pump for?This TonHydro pump (Part No: 416-5057) is specifically compatible with the Caterpillar 304E 4-ton mini excavator. Verify your exact machine model and serial number before ordering.
What are the complete specifications?- Brand: TonHydro
- Part Number: 416-5057
- Compatibility: Caterpillar 304E (4-ton model)
- Condition: New, fully assembled
- Package Weight: 35 kg
- Package Dimensions: 40 × 33 × 30 cm
- Type: Hydraulic main pump replacement (aftermarket quality)
How difficult is installation?The TonHydro pump comes completely assembled and ready for installation, designed as a direct bolt-on replacement that requires no modifications, making installation straightforward for qualified technicians.
3. Performance & Reliability
What performance can I expect?This TonHydro pump is engineered to restore your excavator's original hydraulic performance characteristics, including proper flow rates, pressure settings, and system responsiveness for all digging and lifting operations—backed by consistent aftermarket quality.
How durable is this pump?Constructed with industrial-grade components and precision manufacturing, this TonHydro pump (416-5057) is built to withstand the operational demands of regular excavator use with proper maintenance, ensuring long-lasting performance from its aftermarket design.
Will it fit my machine properly?Yes, as a direct replacement part (416-5057) from TonHydro, all mounting points, port configurations, and connection interfaces are designed to match the original pump specifications exactly, ensuring proper fit and function without modifications.
4. Warranty & Shipping
What warranty protection is included?This TonHydro product is protected by a 12-month (1-year) warranty covering manufacturing defects and premature failures under normal operating conditions, a testament to our confidence in its aftermarket quality.