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31cc Brush Cutter & 4-Stroke Grass Trimmer | XH-139
Description
XH-139 is a professional-grade 4-stroke gasoline brush cutter engineered for reliable performance in lawn care, landscaping, and heavy-duty vegetation management. Unlike common 2-stroke models, this 31cc brush cutter features a 139F engine that offers superior fuel economy and reduced emissions.
Built with a durable 1650mm operating rod and an ergonomic U-handle, the XH-139 delivers efficient cutting power while ensuring maximum user comfort during extended operation in both residential and agricultural settings.
Core Selling Points
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4-Stroke Engine Efficiency: Better fuel economy, lower noise, and significantly reduced emissions compared to 2-stroke alternatives.
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High Torque Performance: Reaches up to 8500rpm to efficiently cut through thick grass, weeds, and small branches.
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Large 1200ml Tank: Extends working time between refuels, making it ideal for large-scale landscaping projects.
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Reliable Startup: The pump-film carburetor ensures easy starting and stable fuel delivery at any operating angle.
Technical Specifications
| Item | Specification |
| Product Model | XH-139 |
| Engine Model / Type | 139F / 4-stroke, Air-cooled, Single Cylinder |
| Displacement | 31cc |
| Rated Power | 0.9KW (1.2HP) |
| Max No-load Speed | 8500rpm ±500 |
| Carburetor Type | Pump-film type |
| Operating Rod Length | 1650 mm |
| Fuel Tank Capacity | 1200 ml |
| N.W. / G.W. | 8kg / 10kg |
| Packing Quantity | 2PCS / Carton |
Spare Parts & Location
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BLADE: High-strength circular blade engineered for grass, weed, and dense brush cutting. Note: Full safety gear including harness, metal shield, and U-handles are mandatory for blade operation.
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DRIVE SHAFT ASSEMBLY: Features a precision-engineered internal liner and a high-durability flexible drive shaft for smooth power transmission.
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THROTTLE TRIGGER: Spring-loaded mechanism that automatically returns to idle. For optimal performance and engine longevity, press the trigger gradually during acceleration. Crucial: Do not hold the trigger during startup.
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IGNITION SWITCH: An intuitive "slide switch" integrated into the throttle housing. Slide FORWARD to the "Run" position and BACK to "STOP" the engine instantly.
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SAFETY LEVER: A critical security feature; this lever must be fully compressed before the throttle can be engaged for acceleration.
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U-HANDLE: Ergonomically designed handle that can be adjusted to the operator’s preferred angle for maximum comfort and control.
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HARNESS ASS'Y: A load-distributing suspension system that secures the machine to the operator. Features adjustable straps to balance weight and reduce fatigue.
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AIR CLEANER COVER: Protects the internal engine components; houses a high-efficiency, replaceable felt filtration element.
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FUEL TANK LID: Precision-threaded cap ensuring a leak-proof seal for the fuel system.
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FUEL TANK: High-capacity reservoir equipped with an integrated fuel filter to ensure clean fuel delivery to the engine.
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PURGE BULB: A manual priming pump. Depress 7 to 10 times before starting to evacuate air and stale fuel, ensuring fresh fuel reaches the carburetor for a quick start.
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CHOKE: Conveniently located on top of the filter cover to regulate the air-fuel mixture during cold starts.
Safety Warnings & Operation
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Danger Zone: Maintain a 15-meter radius clear zone; only the operator is allowed within this area.
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Protective Gear: Operators must wear eye, ear, face, foot, and body protection. Avoid loose clothing or jewelry.
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Footwear: Use non-slip safety shoes to improve footing on slippery surfaces; do not operate barefoot or with open-toed shoes.
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Starting: Do not hold the trigger while starting. Adjust the choke on top of the filter cover as needed.
Application
XH-139 4-stroke system is designed for high-efficiency multi-scenario use:
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Urban & Road Snow Blowing: When fitted with specialized attachments, its high-torque engine helps clear light frost from public walkways.
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Forest Fire Suppression: Effectively clears dry leaves and combustible debris to create firebreaks and suppress wildfire spread.
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Road Cleaning & Pathway Clearance: Removes stubborn weeds, dust, and gravel from municipal roads and pedestrian paths.
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Construction Site Dust & Gravel Removal: Clears thick vegetation around work perimeters to maintain clean and safe construction sites.
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Leaf Cleaning & Removal: A powerful tool for autumn leaf management on private estates and extensive park properties.
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Lawn Debris & Trash Cleaning: Easily clears grass clippings and organic waste from golf courses, sports fields, and public parks.
