The unit is rated to chip branches up to 4 inches (approximately 100 mm) in diameter, consistent with the product name. For best results feed branches gradually and avoid forcing oversized limbs.
It uses a 4-stroke gasoline engine (7 HP). Use fresh unleaded petrol and the appropriate 4-stroke engine oil — follow the engine manufacturer's recommendations for oil grade and fuel/oil procedures.
Overall dimensions are 1666 × 554 × 1082.6 mm and the machine weight is 88 kg.
It uses a twin blade drum system equipped with double-edge reversible hardened steel cutting blades (150 mm blade length) for efficient chipping and extended blade life.
The machine uses a direct-drive clutch mechanism with power transmitted via a dual V-belt drive to the cutting drum.
At 88 kg the chipper is designed to be portable, but it may require two people or a small vehicle/trolley for safe transportation. Check accessory options (wheels or trailer kit) with the seller if you need easier mobility.
The chipper can be supplied with several engine brands including Rato, Loncin, Briggs & Stratton (B&S), Kohler, or Honda. Confirm the installed engine model with your supplier.
Feed hopper size is 443 × 383 mm and the infeed throat opening is 154 × 137 mm. Always feed material according to the 4-inch (100 mm) recommendation and the safety guidance in the manual.
Wear eye protection, hearing protection, gloves, and sturdy footwear. Never place hands or limbs into the hopper; use a push stick or branch pusher. Feed branches butt-first, keep bystanders clear, and shut the engine off before clearing jams or performing maintenance.
Stop the engine, remove the ignition key, and wait for all moving parts to stop. Only then clear the blockage with a suitable tool—never use your hands. Inspect blades and feed for damage before restarting.
Blade life depends on use and material. The double-edge hardened blades are reversible to extend time between replacements. Inspect blades regularly for nicks or wear; sharpen or flip them as needed and replace if damaged. Follow the service instructions in the manual for safe removal and installation.
Regular maintenance includes checking and changing engine oil, inspecting and tensioning belts, sharpening or replacing blades, clearing debris, checking fasteners, and following the engine manufacturer's service schedule. Refer to the owner manual for detailed intervals and procedures.
Warranty terms vary by seller and the optional engine brand. For warranty details, spare blades, belts, and replacement parts availability, contact the supplier or authorized dealer where you purchased the machine.
This 7 HP chipper is suitable for both homeowner and light professional use such as yard clean-up, small landscaping jobs, storm debris clearance, and preparing mulch. For heavy commercial daily use, consider a larger industrial model.
Clean out chips and debris, run the engine dry of fuel or add fuel stabilizer, change or top up engine oil, protect from moisture by storing in a dry covered area, and disconnect the battery if applicable. Follow the engine maker’s winterization steps for best results.
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