Products

521 Track Feller Buncher

A robust undercarriage utilizes proven components, customized for demanding forestry conditions. The unique boom design provides industry leading lift capacity throughout full reach range, a benefit in large timber. Four models are available with just the right horsepower, track size and hydraulic configurations to fit your application needs.


 


 


 



 


 


































































































































Engine

Units:  US 


Gross Power


284 hp


211.8 kW



Engine Model


Cat® C9 ACERT


Cat® C9 ACERT



Rated Power


263 hp


196.1 kW



Displacement


537 in3


8.8 L




Operating Specifications



Max Reach w/ Head


26.5 ft


8.1 m



Maximum Drawbar Pull


66400 lb


30118.5 kg



Ground Clearance


33 in


838 mm




Service Refill Capacities



Hydraulic System


79.3 gal


300 L



Fuel Tank


140 gal


530 L



Cooling System


16.1 gal


61 L



Engine Oil


10.3 gal


39 L



Hydraulic Tank


69.2 gal


262 L



Swing Drive


2.6 gal


10 L




Undercarriage



Undercarriage (size/pitch)


D6H HD/203.2 mm (8 in)


D6H HD/203.2 mm (8 in)



Track Length


189 in


4801 mm



Track Gauge


2591 mm to 2870 mm (102 in to 113 in)


2591 mm to 2870 mm (102 in to 113 in)



Number of Rollers


9 per side

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