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Trench Backfill Compaction

Backfilling municipal pipelines, gas and ducting runs demands deep densification in narrow trenches — tamping rammers deliver it with long-stroke impact, compacting layer by layer over pipe crowns and around manholes. A purpose-shaped base plate works tight to walls, and anti-vibration handles cut operator fatigue on long shifts.

Worker compacting trench backfill with a tamping rammer
Backfilling municipal pipelines, gas and ducting runs demands deep densification in narrow trenches — tamping rammers deliver it with long-stroke impact, compacting layer by layer over pipe crowns and around manholes. A purpose-shaped base plate works tight to walls, and anti-vibration handles cut operator fatigue on long shifts.
NT25

NT25 Crawler Excavator

2.5-ton crawler excavator with Changcai 390 engine and 2752mm max digging depth, balancing productivity and transportability.

Operating Weight
2.5 t
Bucket Capacity
0.07 m³
Rated Power
20 kW
Travel Speed
3.4 km/h
Max Digging Depth
2752 mm
NT20

NT20 Crawler Excavator

2-ton class mini crawler excavator with Laidong 385 engine and 2100mm max digging depth, ideal for landscaping and municipal narrow jobsites…

Operating Weight
2 t
Bucket Capacity
0.06 m³
Rated Power
18.5 kW
Travel Speed
2.5 km/h
Max Digging Depth
2100 mm

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