Trench backfilling requires proper compaction. Pipeline bedding needs stable support. Foundation work demands consistent density. Without the right equipment, achieving proper compaction slows down your entire operation. An excavator vibratory plate compactor solves this problem. This hydraulic attachment mounts directly to your excavator arm, turning your digging machine into a powerful compaction tool. Instead of bringing in a separate roller or jumping jack, you use the excavator you already own.
An excavator vibratory plate compactor is a hydraulic attachment that replaces your excavator’s bucket. It uses a heavy steel plate that vibrates at high frequency to compact soil, granular materials, and asphalt. The attachment connects to your excavator’s hydraulic system. Hydraulic flow drives a motor that spins eccentric weights inside the housing. These weights create the vibration force that transfers through the plate into the ground. The result is rapid, uniform compaction without the need for a dedicated compaction machine. One operator in one machine excavates, backfills, and compacts – all in one work cycle.
Excavator Vibratory Plate Compactor Parameter
| 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) | 900*550*750 | 1160*700*930 | 1350*900*1000 | 1350*900*1050 |
| Machine weight(KG) | 380 | 550 | 920 | 1050 |
| Hit area(mm) | 900*550 | 1160*700 | 1350*900 | 1350*900 |
Excavator Vibratory Plate Compactor Applications
- Trench Compaction for Utilities: Water lines, gas pipelines, fiber optic cables – they all require proper backfill compaction. An excavator compactor attachment reaches into narrow trenches where large rollers cannot fit. The compact plate size of the YG-32 (900×550mm) works perfectly in confined utility trenches.
- Pipeline Bedding and Backfilling: Pipeline projects demand consistent compaction around the pipe to prevent settling. A hydraulic vibratory plate compactor provides the controlled force needed to compact bedding material evenly without damaging the pipe. The excavator’s arm allows precise placement of compaction force exactly where needed.
- Foundation and Footing Work: Building foundations requires compacted subgrade before concrete placement. An excavator plate compactor prepares the subgrade efficiently, especially in tight foundation footprints where large rollers cannot maneuver.
- Road Base and Shoulder Compaction: Road construction projects use an excavator compactor attachment for shoulder compaction, base course preparation, and repair work. The larger YG-80 and YG-107 models with 110-150KN vibration force handle road base materials effectively.
- Landfill and Waste Compaction: Daily cover compaction in landfills requires rugged equipment. An excavator vibratory plate compactor handles the abrasive conditions while delivering consistent density.
- Slope and Embankment Compaction: Compacting slopes presents a challenge for wheeled rollers. An excavator on tracks with a hydraulic vibratory plate compactor reaches and compacts slopes safely and effectively.
Why Choose an Excavator Plate Compactor Over Other Compaction Methods?
- Compaction equipment choices include walk-behind plates, jumping jacks, smooth drum rollers, and sheepsfoot rollers. Here is why an excavator vibratory plate compactor often proves the better choice.
- Versus Walk-Behind Plate Compactors: Walk-behind plates require an operator on the ground. They work slowly and struggle in soft soil. An excavator-mounted compactor keeps the operator safely in the cab, works faster, and applies much greater compaction force.
- Versus Jumping Jacks: Jumping jacks are slow and only compact a small footprint. They cannot match the speed or coverage of a plate compactor.
- Versus Large Rollers: Large rollers cannot enter trenches or confined areas. They also require separate transport and an additional operator. An excavator vibratory plate compactor uses the machine you already have, reaches into tight spaces, and requires just one operator.
- Versus Excavator Bucket Compaction: Some operators try to compact soil by slamming the bucket down. This method is inefficient and damages the excavator. A hydraulic vibratory plate compactor provides controlled, consistent vibration that achieves proper density without equipment damage.
Features of the YG Excavator Vibratory Plate Compactor
1. High Excitation Frequency
The larger YG-80 and YG-107 models reach 2200 RPM. Higher frequency means more impacts per minute, which translates to faster compaction and deeper penetration. For granular soils and asphalt, high frequency delivers superior density in fewer passes.
2. Consistent Working Pressure
All YG models operate at 15 MPA working pressure. This consistency simplifies hydraulic system setup across different excavators. Your operator sets the pressure once and works across multiple models without adjustment.
3. Compact Plate Dimensions
The YG-32 measures just 900×550×750mm. This compact size fits into narrow trenches and confined spaces where larger compaction equipment cannot reach. The YG-107 offers a larger 1350×900mm plate for open-area work.
4. Compatibility with Multiple Excavator Sizes
The YG series covers excavators from 4 tons to 40 tons. The YG-32 fits 4-9 ton mini excavators. The YG-107 requires 30-40-ton excavators. This range means you can find the right attachment for your specific machine.
FAQ About Excavator Compactor Attachment
A: The YG series covers excavators from 4 tons to 40 tons. The YG-32 fits 4-9-ton excavators. The YG-107 fits 30-40 ton excavators. Check the suitable excavator range for your specific model.
A: Light trench backfill works well with 40-65KN. Road base and heavy clay require 110-150KN. Consider your material type and required compaction depth when selecting.
A: Yes. Vibratory plate compactors work effectively on asphalt for patching and repair work. The flat plate design provides smooth, consistent compaction without damaging the surrounding surface.
A: Compaction depth depends on material type, vibration force, and lift thickness. Typically, a vibratory plate compactor achieves effective compaction in 200- 400 mm lifts with proper passes and downforce.
A: Yes. The excavator’s stability on tracks, combined with precise arm control, allows effective compaction on slopes. The plate angle can be adjusted to match the slope face.
