XCMG Main Hydraulic Pump Assembly 803078351 – Product Details
The XCMG Main Hydraulic Pump 803078351 is a high-performance replacement pump assembly designed for XCMG 20-27 ton excavator models. This hydraulic pump serves as the core hydraulic power generation unit in the excavator, converting mechanical energy into hydraulic energy to power boom, arm, bucket, and travel functions for reliable operation in demanding construction and mining applications.
This pump is a direct replacement for compatible XCMG excavator applications and is manufactured to meet or exceed original equipment specifications. It is identified by pump model code K3V112DT-1X7R-9NC9-14AV and is designed specifically for XCMG 20-27 ton class excavators.
Product Specifications
The hydraulic main pump is the heart of the excavator's hydraulic system. It supplies pressurised hydraulic oil to the excavator's working systems, powering:
- Boom – Lifting and lowering the main arm
- Arm – Extension and retraction operations
- Bucket – Digging, loading, and dumping functions
- Travel – Track drive motors for machine mobility
- Swing – Cab rotation and positioning
This is a piston-type hydraulic pump from the K3V series, featuring a displacement volume of 112 cm³, designed to withstand high operating pressures and deliver consistent hydraulic power across varying load conditions.
Compatible Models
This hydraulic pump is compatible with the following XCMG excavator models (20-27 ton class):
| Part Number | English Product Name | Equipment / Application |
|---|
| 803078351 | Main Hydraulic Pump / K3V112DT-1X7R-9NC9-14AV Piston Pump | XCMG 20-27T Excavators (XE215C, XE215CLL, XE260CLL) |
| 803082858 | Main Pump | XCMG XE215D Hydraulic Excavator |
| 803007180 | Main Pump | XCMG XE80 Hydraulic Excavator |
| 803082856 | Main Pump | XCMG XE370D Hydraulic Excavator |
| PSVD2-27E | Main Hydraulic Pump Assembly | XCMG XE65 Excavator (also fits LG906, SWE70) |
| A10VO72 | Main Hydraulic Pump | XCMG XE60 Mini Excavator |
| 860106313 | Gear Pump (Main Hydraulic) | XCMG GR Series Motor Graders (GR135, GR165, GR180, GR215, GR260, GR300, GR350, GR2003) |
| 803089387 | Dual-Stage Gear Pump | XCMG GR Series Motor Graders (GR2153, GR200, GR180, GR3005, GR3505) |