Trench backfill, road base preparation, and foundation work require compaction in areas that rollers cannot easily reach. An excavator vibrating plate compactor uses excavator hydraulics to compact soil, gravel, and backfill. Contractors use this attachment for utility trenches, road edges, foundation backfill, and confined construction areas.
YG Machinery offers four models for excavators weighing 4–40 tons. Buyers searching for an excavator vibrating plate compactor for sale need to check hydraulic flow, working pressure, mounting dimensions, and soil conditions before ordering.
Excavator Vibrating Plate Compactor Specifications
| Model | YG-32 | YG-50 | YG-80 | YG-107 |
| Vibration force(KN) | 40 | 65 | 110 | 150 |
| Excitation frequency(RPM) | ≥2000 | ≥2000 | ≥2200 | ≥2200 |
| Working pressure(MPA) | 15 | 15 | 15 | 15 |
| Maximum flow(L/min) | 60 | 100 | 160 | 160 |
| Suitable excavators(T) | 4-9 | 10-18 | 20-27 | 30-40 |
| Length/width/height(mm) | 900550750 | 1160700930 | 13509001000 | 13509001050 |
| Machine weight(KG) | 380 | 550 | 920 | 1050 |
| Hit area(mm) | 900*550 | 1160*700 | 1350*900 | 1350*900 |
How to Choose an Excavator Compactor Attachment
Selecting an excavator compactor attachment requires more than matching excavator tonnage.
- Hydraulic output: Match auxiliary flow and pressure to attachment specifications.
- Mounting interface: Verify pin diameter, pin spacing, and bracket dimensions.
- Plate width: Check available clearance inside trenches and around structures.
- Soil conditions: Sand and granular fill generally respond well to vibration. Wet or highly plastic clay requires careful moisture control and a suitable compaction method.
Will It Fit CAT, Kubota, or Komatsu Excavators?
Compatibility depends on the exact excavator model, hydraulic circuit, and mounting arrangement. Buyers searching for an excavator vibrating plate compactor for CAT 305 should provide hydraulic specifications and attachment dimensions. Apply the same checks to Kubota and Komatsu machines. Brand name or excavator weight alone does not establish compatibility.
Hydraulic Requirements and Installation
YG models specify a working pressure of 15 MPa, with maximum hydraulic flow ranging from 60 to 160 L/min. Check actual auxiliary circuit output before connecting the attachment.
Common installation mistakes include mismatched mounting pins, incorrect hose connections, restricted return lines, and unsuitable hydraulic settings. Confirm whether the selected attachment requires a dedicated case drain. Never block a required drain line or exceed specified hydraulic limits.
If hydraulic flow falls below requirements, vibration performance may decrease. Inspect flow, pressure, couplers, and hoses before resuming work. If the attachment stops vibrating despite a suitable hydraulic supply, arrange a technical inspection.
Soil Applications and Compaction Depth
An excavator hydraulic plate compactor suits sand, gravel, crushed aggregate, and suitable backfill. Cohesive clay requires more care because moisture content and soil plasticity affect compaction. For some confined clay applications, a rammer compactor may suit the material better.
Compaction depth varies with soil conditions, plate dimensions, vibration force, and lift thickness. Place backfill in controlled layers and follow project density requirements. A firm surface does not prove that deeper material has reached the required density.
An excavator may also use a mini excavator screening bucket to separate soil, gravel, and other loose materials before reuse. Screening separates material by size; a vibrating plate compactor densifies placed fill. These attachments perform different tasks within the same earthmoving project.
Compared with a rammer compactor, an excavator-mounted plate offers reach and mobility along longer trench runs. However, narrow utility trenches may require a smaller plate. Standalone compactors may suit isolated areas where excavator access is limited.
Why Is an Excavator Plate Compactor Not Vibrating?
Common causes include insufficient hydraulic flow, incorrect hose connections, blocked filters, restricted return lines, or internal mechanical faults.
Stop work if abnormal noise, hydraulic leaks, or excessive heat develops. Lower the attachment safely, shut down the equipment, and follow the manufacturer’s isolation procedure before inspection. Never loosen pressurized hydraulic fittings. Contact a qualified technician if basic checks do not identify the fault.
Excavator Vibrating Plate Compactor Price
The excavator vibrating plate compactor price depends on model size, vibration force, mounting requirements, and delivery destination.
For a formal quotation, provide:
- Excavator make and model
- Auxiliary hydraulic flow and working pressure
- Mounting dimensions
- Intended application and soil type
- Delivery country and destination port
Share these details, and we can quickly confirm fit and work out accurate freight. When comparing quotations, review mounting components, technical documentation, warranty terms, and shipping conditions.
YG Machinery sells compaction attachments rather than assuming rental availability. Buyers seeking rental equipment need to contact local rental providers.
FAQ
Can I install a compactor on a mini excavator?
Yes, if excavator weight, hydraulic output, attachment weight, and mounting dimensions meet the selected model’s requirements.
Can I replace a worn compaction plate?
Replacement depends on attachment design. Provide the model number and plate dimensions to identify a compatible replacement part.
How do I prevent hydraulic overheating?
Check hydraulic flow settings, return-line restrictions, hose condition, and oil temperature. Operate within the specified hydraulic limits and follow the manufacturer’s maintenance instructions.
Excavator Vibrating Plate Compactor Manufacturer–YG Machinery
YG Machinery provides a standard warranty for all compactor attachments. Lead time depends on order quantity and destination port. Send your excavator specifications now, and our engineering team will check compatibility and provide a formal quotation promptly.
