E312GC Main Hydraulic Pump Assembly For CAT E312GC Excavator
High‑quality aftermarket E312GC hydraulic pump assembly, compatible with Cat same‑series excavators, core power component for construction machinery hydraulic maintenance.
Key Features
- OEM‑equivalent hydraulic pump assembly specially designed for CAT E312GC excavator
- Precision‑matched internal plunger, swash plate and valve plate, stable high‑pressure oil output
- Low noise, high efficiency and strong anti‑overload performance for long‑time continuous operation
- High‑strength alloy material, wear‑resistant and anti‑leakage, long service life
- Strict factory testing for pressure, flow rate and sealing performance before shipment
- Standard mounting interface, direct bolt‑on replacement without modification
- Optimized internal structure, reduce failure rate of hydraulic system
- Wide compatibility with multiple same‑brand CAT small‑medium excavator models
Product Information
| Item |
Specification |
| Product Name |
Main Hydraulic Pump Assembly |
| Main Excavator Model |
CAT E312GC |
| Type |
Variable Displacement Piston Pump |
| Material |
High‑Strength Alloy Steel, Wear‑Resistant Copper Alloy |
| Function |
Provide High‑Pressure Hydraulic Power For Excavator Working System |
| Application |
CAT Small‑Medium Excavator, Construction Machinery |
| Condition |
Brand New Aftermarket Replacement |
Related Products
| Category |
Replaceable Part Numbers / Compatible Models |
| General OEM Series |
566‑8642, 566‑8643, 566‑8644 |
| Compatible Engine & Excavator Models |
Suitable for E312GC, E313GC, E314GC, E315GC, E316GC, E318GC, 312E, 313E, 314E, 315E |
Fitment Application
- Suitable for Cat E312GC series small‑medium excavators, also compatible with other same‑brand GC‑series excavators, widely used in urban construction, municipal engineering, landscaping and general construction site maintenance.





FAQ
Q1: Which excavator is this hydraulic pump for?
A1: Specially for CAT E312GC excavator, also compatible with E313GC, E314GC and other same‑brand GC series models.
Q2: What type is this hydraulic pump?
A2: Variable displacement piston hydraulic pump, high pressure and high efficiency.
Q3: Does it need modification during installation?
A3: OEM‑standard dimension, direct replacement without modification.
Q4: Is it leak‑proof for long‑term use?
A4: High‑quality sealing components, stable anti‑leakage performance for construction site heavy‑load operation.
Q5: What working scenarios does it apply to?
A5: Municipal engineering, urban construction, landscaping and general construction site projects.