Charge Pump Gear Pump for Yanmar 20 with 9teeth construction machinery hydraulic pump
Charge Pump Gear Pump for Yanmar 20 with 9teeth construction machinery hydraulic pump
This charge‑pilot gear pump is purpose‑matched for AP2D09 main piston pump fitted on Yanmar VIO20 mini‑excavators. It replenishes hydraulic oil for main pump circuit and supplies stable pilot pressure for control valves. Precision 9‑tooth internal spline guarantees reliable power transmission. Optimized gear pairs reduce internal leakage. OEM‑identical mounting allows direct replacement to shorten on‑site maintenance time for compact digging machines.
Product Parameters
| Pump Type | Pilot / Charge Gear Pump |
| Internal Spline | 9‑tooth |
| Pilot Displacement | 3.8 cc/rev |
| Charge Pressure | 2.3‑2.7 MPa |
| Pilot Pressure | 4.9 MPa |
| Max Pressure | 25 MPa |
| Weight | 2.6 kg |
| Application | Yanmar VIO20‑3 / VIO20‑6 mini excavator |
Yanmar 20 Pilot Pump Application
Designed exclusively for Yanmar VIO20‑3 and VIO20‑6 mini‑excavators. It delivers stable charge flow and pilot pressure during trenching, grading and narrow‑site construction. Perfect interchangeability supports fast field replacement. It maintains smooth control performance amid dusty working conditions and cuts equipment downtime.
Company Profile
Runhe Hydraulics focuses on manufacturing robust hydraulic spare parts for excavators. Our hydraulic cylinders, motors and pumps boast stable operation and precise stroke execution. A complete product range ensures seamless substitution for mainstream original component standards. We accommodate OEM customization, offer global delivery and professional after‑sales care to serve heavy‑machinery clients across the globe with trustworthy hydraulic system solutions.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.