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 521 Track Feller Buncher Zero Tail Swing 

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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 ZTS models are available with optimal horsepower, track size, and hydraulic configurations to fit your application needs

 

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.


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Specifications
Engine
Gross Power211.8 kW284 hp
Engine ModelCat® C9 ACERT™
Rated Power196.1 kW263 hp
Displacement8.8 L537 in3
 
Operating Specifications
Max Reach w/ Attachment8.1 m26.5 ft
Maximum Drawbar Pull30118.5 kg66400 lb
Bare Pin Lift at Max Reach w/o Attachment7100 kg (15,600 lb) @ 6.1 m (20 ft)
 
Track
Undercarriage SizeD6H HD/203.2 mm (8 in)
Track Length4801 mm189 in
Number of Rollers9 per side
 
Hydraulic System
Pump Size - Travel Circuit180 cm311 in3
Pump Size - Boom, Implements170 cm310.4 in3
Pump Size - Saw Motor55 cm33.4 in3
 
Service Refill Capacities
Fuel Tank530 L140 gal
Pony Fuel Tank (Optional)341 L90 gal
Cooling System61 L16.1 gal
Engine Oil39 L10.3 gal
Hydraulic Tank262 L69.2 gal
Hydraulic System300 L79.3 gal
Swing Drive10 L2.6 gal
 
Weights
Operating Weight w/o Attachment27084 kg59710 lb
Est. Operating Weight27084 kg59710 lb

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