SPECS SUMMARY

Gross Power303 HP (226 kW)
Maximum Reach - With Head32.5 ft (9.9 m)
Operating Weight - Without Head59450 lb (26966 kg)
The new B Series track feller bunchers feature smoother hydraulic performance, increased engine HP, a more comfortable operator station and better right side operator visibility. The Cat 521B Series are zero tail swing machines designed for medium to high production clear cut and or select cut on rough terrain. These machines perform in a variety of small through larger tree size applications. 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.


Specifications

-Gross Power303 HP (226 kW)
-Maximum Reach - With Head32.5 ft (9.9 m)
-Operating Weight - Without Head59450 lb (26966 kg)
-Engine Oil10.3 gal (US) (39 l)
-Swing Drive2.6 gal (US) (10 l)
-Hydraulic System118 gal (US) (448 l)
-Cooling System10.8 gal (US) (41 l)
-Track Harvester Configuration - Lift Over Front of Tracks: Maximum Reach - With head32.5 ft (9.9 m)
-Track Harvester Configuration - Lift Over Front of Tracks: Bare Pin Lift at Maximum Reach - Without Head4000 kg @ 9.8 m (8,800 lb @ 32 ft 5 in)
-Rated Power - 2,100 rpm282 HP (210.3 kW)
-521B70500 lb (31978 kg)
-Ground Clearance35 in (889 mm)
-Gross Power - 1,800 rpm303 HP (226 kW)
-Track Length191.1 in (4855 mm)
-521B102 in (2591 mm)
-Track Harvester Configuration - 521B59450 lb (26966 kg)
-Pitch8.5 in (215.9 mm)
-Pumps (3)Electric hydraulic oil fill pump
-Pumps (2)Dedicated variable displacement pump for boom and implement functions - 200 cc
-Pumps (1)Dedicated variable displacement pump for travel circuit - 200 cc
-Fuel Capacity226 gal (US) (856 l)
-CabCab meets FOPS/OPS/ROPS/WCB/OR-OSHA requirements
-Engine ModelCat® C9 ACERT™
-Displacement537 in³ (8.8 l)
-Size330 EX (D7)
-Gross Power303 HP (226 kW)

Benefits and Features

Standard Equipment

  • ELECTRICAL
  • GUARDS
  • OPERATOR ENVIRONMENT
  • POWER TRAIN
  • UNDERCARRIAGE
  • HYDRAULICS
  • ANTIFREEZE
  • OTHER STANDARD EQUIPMENT

Optional Equipment

  • LINKAGES
  • HYDRAULICS
  • TRACK SYSTEMS
  • OTHER EQUIPMENT
  • FIELD INSTALLED ATTACHMENTS

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