Product Introduction
The self propelled hand guided trenching machine is a compact self-driving digging device designed for small-scale agricultural and residential construction projects. Unlike tractor-attached large trenchers, this independent unit requires no supporting farm machinery, operated solely by one person via ergonomic control handles. It works as a flexible small ditching machine for narrow farm plots and backyard landscaping, and also serves as a portable hand held micro trencher for shallow cable and pipeline laying tasks. This self propelled hand guided trenching machine integrates a 195 air-cooled diesel engine with electric one-button startup, paired with alloy steel chain cutters and side spiral soil discharge blades. Its narrow body design enables smooth movement through tight orchard rows, residential courtyards and greenhouses, making it the ideal excavation solution for jobs inaccessible to heavy industrial trenching equipment.
Complete Technical Parameter Table
|
Specification Item |
Single Chain Model |
Double Chain Model |
|
Power Unit |
195 air-cooled diesel engine, 9.2KW rated output |
195 air-cooled diesel engine, 9.2KW rated output |
|
Starting System |
12V 20A battery electric start |
12V 20A battery electric start |
|
Walking Gear Shifts |
2 forward, neutral, 2 reverse gears |
2 forward, neutral, 2 reverse gears |
|
Net Machine Weight |
280kg |
300kg |
|
Cutter Blade Material |
Wear-resistant alloy steel, single tooth replaceable |
Wear-resistant alloy steel, single tooth replaceable |
|
Clutch Design |
Belt tension clutch with fully sealed gearbox |
Belt tension clutch with fully sealed gearbox |
|
Trench Dimension Range |
10–20cm width, max depth 0.8–1.2m |
25–40cm width, max depth 0.5–0.6m |
Wide Application Fields
Orchard Management: Dig deep fertilizer furrows, drainage ditches and cold-proof trenches for fruit trees without damaging root systems.
Small Farm Cultivation: Build irrigation channels and yam planting troughs for scattered small farmland plots.
Civil Residential Engineering: Bury optical fiber cables, water supply and gas pipelines in communities, villas and courtyard gardens.
Greenhouse Cultivation: Excavate ventilation ditches, planting slots and edge drainage trenches inside agricultural greenhouses.
Municipal Mini Projects: Photovoltaic cable slotting and low-voltage weak current line laying for small rural infrastructure.
Common Faults & Practical Troubleshooting Solutions
1.Weak walking power of the self propelled hand guided trenching machine Solution: Check belt tension and engine fuel filter; tighten loose drive belts and clean blocked fuel filters to restore full power output.
2.Alloy cutting teeth wear quickly or break frequently Solution: Replace standard alloy blades; avoid direct collision with large hard stones, and regularly lubricate chain joints to reduce friction loss.
3.Soil clogs the chain and fails to discharge smoothly Solution: Clean tangled mud and debris from spiral soil throwing blades, adjust blade installation angle to improve side soil separation performance.
4.Engine fails to start after long idle storage Solution: Inspect the 12V battery power level, replace deteriorated diesel fuel, and clean carbon deposits in the engine combustion chamber.
5.Gearbox emits abnormal loud noise during operation Solution: Refill high-viscosity dedicated gear oil, check for worn internal gears, and tighten all gearbox fixing bolts to eliminate vibration noise.
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