汽油链锯
      
      HR4518H
    
    
      
        
        
          
            
	              
                     | Model | HR4518H | HR5020H | 
| Displacement | 45cc | 49.3cc | 
| Bore&stroke | 43*31mm | 45*31mm | 
| Rated Power | 1.7kw/2.3Hp | 2.0kw/2.7Hp | 
| Iding speed | 3000rpm | 3000rpm | 
| Oil/Fuel Ratio | 1:30 | 1:30 | 
| Fuel Tank | 550ml | 550ml | 
| Engine Oil Tank | 260ml | 260ml | 
| Weight(w/o chain/bar) | 5.3kg | 5.3kg | 
| Bar length | 18“ | 18-20“ |