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The GRAECUS KBT20EC is a professional petrol-powered wood chipper with an intelligent hydraulic feed system, designed for demanding chipping operations involving branches, pruning waste, woody residues, and land-clearing materials in estates, agricultural areas, municipalities, landscaping companies, forestry operations, and professional applications.
It is an ideal choice for users looking for a powerful petrol-powered wood chipper and shredder with a large chipping capacity and an automated feeding system.
The machine is equipped with a Loncin LC2V90FD EFI V-Twin engine, with a displacement of 999 cc, a maximum power output of 36 hp / 26 kW at 3600 rpm, and a maximum torque of 73 Nm at 2600–2800 rpm. The 4-stroke, OHV, V-Twin engine features Electronic Fuel Injection (EFI), delivering smooth operation, immediate throttle response, strong torque, and more efficient combustion compared to conventional carbureted engines.
The intelligent hydraulic feed system monitors engine speed and automatically controls the feed roller to reduce engine strain and improve chipping efficiency. When processing more demanding materials, the system helps maintain consistent feeding and reduces the risk of blockages.
With a maximum chipping capacity of 203 mm, approximately 20 cm in diameter, the KBT20EC delivers powerful performance when processing thick branches and woody materials. The hydraulic feed system automatically pulls material towards the rotor, reducing operator fatigue and increasing productivity.
The feed roller features a reverse control lever, allowing the operator to quickly change the feeding direction to remove jammed material. The feed control lever enables immediate feeding interruption and smooth restarting, providing improved operational safety and convenience during continuous use.
The feed hopper is foldable and can be raised when not in use, making transportation, storage, and parking in confined spaces easier.
The KBT20EC features an approximately 109 mm color LCD display, allowing real-time monitoring of essential machine functions, including operating status, operating time, engine speed, and automatic control functions. This provides useful operating information and helps simplify maintenance and machine monitoring.
For enhanced safety, the machine features two red emergency STOP buttons positioned on both sides of the upper feed hopper, allowing immediate shutdown of the machine and engine in an emergency. The safety system also includes a lower feed stop bar and a three-position feed control lever with forward, stop, and reverse functions.
The machine features a wheeled, towable design with Ø594 × 165 R13 tires, an approximately 1397 mm wheel track, rear lights, and a 7-pin electrical connector for synchronized turn signals during towing. It is a powerful solution for professionals requiring high performance, intelligent feeding, large chipping capacity, and convenient transportation.
Technical Specifications:
| Engine | Loncin LC2V90FD EFI V-Twin |
| Engine Displacement | 999 cc |
| Maximum Power | 36 hp / 26kW at 3600 rpm |
| Maximum Torque | 73 Nm at 2600-2800 rpm |
| Engine Type | V-Twin, 4-χρονος, OHV |
| Fuel Delivery System | EFI Electronic Fuel Injection |
| Starting System | Electric starter |
| Fuel Tank Capacity (Petrol) | 18 L |
| Air Filter | Dual-stage filtration |
| Oil Filter | Spin-on type |
| Alternator | 25A / 300W |
| Length with Feed Table Folded / Extended | 3429 mm / 3937 mm |
| Width | 1397 mm |
| Height with Discharge Chute Up / Down | 2007 mm / 2337 mm |
| Weight | 850 Kg |
| Tow Hitch Weight | 90Kg |
| Feed Roller Pressure Force | 156 Kg |
| Feed Roller Pressure Mechanism | Spring and roller weight |
| Feed Roller Dimensions | Φ305 x 279 mm |
| Feed Roller Assembly Weight | 56Kg |
| ΤFeed Speed | 16.5 m/min |
| Feed Table Dimensions (L × W × H) | 610 / 1041 / 559 mm |
| Feed Opening | 305 x 203 mm |
| Emergency Stop | Manual |
| Maximum Chipping Diameter | 203 mm |
| Rotor Diameter | 762 mm |
| Rotor Thickness | 17.8 mm |
| Rotor Speed | 1800 rpm |
| Rotor Weight Including Shaft | 102 Kg |
| Blades | 4 double-edged blades |
| Counter Blades | 2 vertical + 2 horizontal |
| Bearings | SKF spherical bearings |
| Bearing Static / Dynamic Load Rating | 27 / 23,2 kN |
| Discharge Chute Rotation | 360° (manual with locking mechanism) |
| Hydraulic Oil Tank Capacity | 28 L |
| Pump Flow at Maximum Engine Speed | 15,9 L/min |
| Maximum Hydraulic Pressure | 145 bar |
| System Voltage | 12 V |
| Battery | 12 V /48 Ah |
| Tires | Φ594 x 165 R13 |
| Wheel Track | 1397 mm |
