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East Diamond supplies high-performance Small Plate Hydraulic Pumps compatible with CAT P/N 531-9885, 531-9886, 329-5735, 543-3692, and 543-3689, designed to fit Caterpillar models 320GC, 320GX, and M320/M316-322 excavators.
Engineered for efficient hydraulic flow, smooth operation, and long service life, this pump ensures reliable performance in demanding construction and earthmoving applications.
We supply across the United Arab Emirates, GCC, Middle East, and Africa, delivering dependable hydraulic solutions with fast and professional support.
Compact and high-performance hydraulic pump for 20–22 ton excavators
The Caterpillar small plate hydraulic pump is designed to deliver efficient and stable hydraulic power for Caterpillar 320GC excavators. With its open-circuit design and compact build, this pump offers excellent flow, reliability, and control for mid-size digging, trenching, and earthmoving tasks. It is an ideal replacement for contractors looking to maintain productivity with OEM-level performance.
Why choose East Diamond?
Professional support for Caterpillar 320GC hydraulic systems
All pumps are tested using a 110kW hydraulic bench
Competitive pricing and fast dispatch UAE-wide
OEM-compatible spare parts and expert repair service
| Brand | Caterpillar |
|---|---|
| Color | Yellow |
| Displacement | 130×2 ml/r |
| Excavator Capacity | 20–22 Ton |
| Control Type | Open Circuit |
| Rated Speed | ~2000 r/min |
| Input Pressure | 0.1–0.34 MPa |
| Max Pressure | 34.3 MPa |
| Rated Pressure | 32 MPa |
| Teeth | 14 |
| Direction | R (Right-hand) |
| Weight | 96 kg |
| Dimensions | 61×19×29 cm |
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