Product Description
345687 Dynapac Hydraulic Pump – New Replacement Hydraulic Pump
The 345687 hydraulic pump is a high-quality new replacement hydraulic pump designed for Dynapac compaction and road construction equipment. Built to meet or exceed OEM specifications, this pump is engineered to deliver dependable hydraulic flow, consistent pressure, and long-lasting performance in demanding jobsite conditions.
This replacement pump helps restore proper hydraulic operation in Dynapac equipment where strong hydraulic response is needed for steering, vibration, travel support, and other hydraulic system functions. Whether you are replacing a worn original pump or servicing older equipment, this unit offers a dependable replacement solution.
Product Features
- New replacement hydraulic pump
- Designed for Dynapac equipment applications
- Built to meet or exceed OEM specifications
- Helps restore proper hydraulic pressure and flow
- Heavy-duty construction for construction and compaction equipment
- Supports reliable hydraulic system performance
- In stock and ready to ship
Specifications
| Part Number | 345687 |
| Brand Application | Dynapac |
| Condition | New Replacement Unit |
| Component Type | Hydraulic Pump |
Interchange & Cross Reference
345687
Dynapac 345687
Dynapac Equipment Applications
This hydraulic pump fits various models of Dynapac compaction and road construction equipment. Dynapac machines often rely on hydraulic pumps to supply oil flow for steering circuits, vibration systems, travel-related hydraulic functions, and auxiliary hydraulic operation.
Because Dynapac equipment can vary by model, serial number range, production year, and hydraulic configuration, it is important to verify your original part number and machine application before placing your order. Matching the pump by part number is the best way to confirm proper fitment.
Common Signs of Hydraulic Pump Wear
- Slow or weak hydraulic response
- Loss of hydraulic pressure during operation
- Unusual whining or cavitation noise
- Erratic steering or vibration function
- Hydraulic fluid overheating
- Reduced machine performance under load
- Metal contamination in the hydraulic system
Installation Recommendations
- Inspect hydraulic hoses, fittings, and seals before installation
- Replace hydraulic filters during pump replacement
- Use clean manufacturer-approved hydraulic fluid
- Check suction lines for restrictions, cracking, or air leaks
- Flush the hydraulic system if contamination is present
- Inspect related valves and hydraulic components for wear
Technical Notes
Hydraulic pump failure is often caused by contaminated oil, clogged filters, restricted suction lines, overheating, or internal wear elsewhere in the hydraulic system. Proper maintenance during installation can help extend pump life and improve overall hydraulic system reliability.
Important Verification Information
Please verify your original part number, equipment model, and serial number before ordering to ensure correct fitment. Hydraulic pumps can vary by machine configuration, and visual appearance alone should not be used as the only confirmation.
Ace Motor Parts supplies replacement hydraulic pumps and heavy equipment components for compaction, construction, industrial, and road-building equipment. If you need help confirming compatibility for your Dynapac machine, our team will be happy to assist you.