CAT 307.5 308.5 308 CR SR 309 CR 310 Main Hydraulic Pump

1. Basic Info

• Item: Main hydraulic piston pump
• PN:487-6229, 564-7829, 564-7830, 4876229, 5647829, 5647830
• Pump model: Rexroth A10VO72 (A10V072 is alternate writing form)
• Fit Model: CAT 307.5, 308.5, 308 CR SR, 309 CR, 310 mini excavator
• Grade: OEM genuine
• Warranty:12 months

2. Core Advantages

• OEM installation dimensions are fully consistent with original equipment for direct bolt-on replacement without modification
• Rexroth load-sensing variable structure matches CAT power matching logic and delivers stable output under heavy-load excavation conditions
• FKM high-temperature sealing components lower leakage risk under frequent pressure fluctuation
• Every unit undergoes bench tests of pressure, flow rate and noise before shipment

3. Technical Data

• Structure: Swashplate variable displacement axial piston pump
• Displacement:72 cc/rev
• Nominal working pressure:25 MPa
• Max peak pressure:31.5 MPa
• Rated rotational speed:2600 rpm
• Control mode: load sensing pressure-flow combined control
• Seal material: fluororubber (FKM)
• Rotation direction: factory specified clockwise rotation
• Function: provide hydraulic power for travel, swing, boom/arm/bucket working circuits

4. Cross Reference

• Interchange codes:487-6229 corresponds to 4876229; 564-7829 corresponds to 5647829; 564-7830 corresponds to 5647830; all part numbers match Rexroth A10VO72

5. Service

• Adequate stock supports global sea & air shipment; professional installation guidance and after-sales technical support are available

6. FAQ

   
   

   ① Are part numbers with hyphens and pure numeric part numbers interchangeable?

   
   

   Yes, the two expression formats refer to the same component and can replace each other directly.

   
   

   ② Can this pump be adapted to all five listed CAT excavator models?

   
   

   Yes, it is specially calibrated for 307.5, 308.5, 308 CR SR, 309 CR and 310 units.

   
   

   ③ Which scenarios are excluded from warranty coverage?

   
   

   Damage caused by improper installation, contaminated hydraulic oil and overload operation is not covered by warranty.

   
   

   ④ Is installation guidance accessible after placing orders?

   
   

   We provide operation notes and continuous technical support after order confirmation.