PC78MR-6 708-3T-00220 Hydraulic Pump Assembly Description
The YNF18642 708-3T-00220 708-3T-00151 hydraulic pump assembly is a main hydraulic power component designed for compatible Komatsu PC78MR-6 excavators. The hydraulic pump converts mechanical power into hydraulic energy, providing pressurized oil flow for key machine functions such as boom, arm, bucket, swing, and travel operations. The 708-3T-00220 and related 708-3T series pump numbers are used in PC78MR-6 hydraulic pump applications.
Manufactured with durable materials and precision processing technology, this hydraulic pump assembly provides stable pressure output, reliable operation, and consistent performance in demanding construction environments. The pump structure is designed to support efficient hydraulic transmission and smooth machine movement.
The PC78MR-6 hydraulic pump replacement is suitable for hydraulic system repair, maintenance, and pump replacement projects. It helps replace worn or damaged main pumps and supports the restoration of excavator hydraulic performance.
708-3T-00220 708-3T-00151 PC78MR-6 Hydraulic Pump Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18642 |
| OEM Part Number |
708-3T-00220 / 708-3T-00151 |
| Machine Model |
PC78MR-6 |
| Product Name |
Hydraulic Pump Assembly |
| Alternative Name |
Main Hydraulic Pump / Piston Pump Assembly |
| Product Type |
Excavator Hydraulic Component |
| Pump Type |
Hydraulic Piston Pump |
| Function |
Hydraulic Oil Flow and Pressure Generation |
| Installation Position |
Main Hydraulic Pump System |
| Application |
Komatsu Excavator Hydraulic System |
| Material |
High-Strength Metal Components |
| Manufacturing Process |
Precision Machining |
| Quality Type |
Aftermarket Replacement |
| Condition |
New |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Shipping Method |
Air, Sea, Express |
| Payment Terms |
T/T, PayPal, Western Union |
PC78MR-6 Hydraulic Pump Applications
| Application |
Description |
| Komatsu PC78MR-6 Excavator |
Main hydraulic pump replacement |
| 708-3T-00220 Hydraulic System |
Hydraulic power supply component |
| 708-3T-00151 Pump Application |
Replacement hydraulic pump solution |
| Excavator Repair Service |
Used for hydraulic system restoration |
| Hydraulic Pump Overhaul |
Replaces failed or worn pump assembly |
| Construction Machinery Maintenance |
Supports reliable hydraulic operation |
708-3T-00220 PC78MR-6 Hydraulic Pump Detail Display
The PC78MR-6 Hydraulic Pump Assembly is the main hydraulic power component responsible for generating oil flow and pressure for excavator functions.
A damaged hydraulic pump may cause slow movement, weak operation, abnormal noise, or reduced working efficiency. Replacing the pump assembly helps restore stable hydraulic performance.
FAQ
Q: Which excavator is this hydraulic pump used for?
A: It is designed for compatible Komatsu PC78MR-6 hydraulic systems.
Q: What are the replacement part numbers?
A: The related part numbers include 708-3T-00220 and 708-3T-00151.
Q: Is this a complete hydraulic pump assembly?
A: Yes. It is a complete aftermarket hydraulic pump replacement unit.
