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Caterpillar 551 Feller Buncher

The Caterpillar 551 Feller Buncher is a robust and powerful machine designed for efficiently clearing and harvesting trees. With a maximum reach of 28.3 feet and a bare pin lift capacity of over 11,000 pounds at max reach, this machine is capable of handling large and heavy loads with ease. The Cat C9 ACERT engine provides a gross power of 305 horsepower, ensuring reliable performance in challenging forestry environments. With a range of operating specifications and service refill capacities, this Feller Buncher is designed to tackle tough forestry tasks with precision and efficiency.


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Boom

Bare Pin Lift at Max Reach11,023.20 lbs (5,000.05 kg)
Lift Capacity at Max Reach11,023.20 lbs (5,000.05 kg)
Max Reach w/ Head37.10 ft (11.31 m)

Dimensions

Ground Clearance3.00 in (7.62 cm)
Height12.00 ft (3.66 m)
Height - Top of Cab12.10 ft (3.69 m)
Max Reach28.30 ft (8.63 m)
Overall Length31.00 ft (9.45 m)
Overall Width11.00 ft (3.35 m)
Shipping Length - non tilt44.70 ft (13.62 m)
Shipping Length - With Attachment461.00 in (1,170.94 cm)
Shipping Length - Without Attachment371.00 in (942.34 cm)
Width 1131.00 in (332.74 cm)
Width 2142.00 in (360.68 cm)

Dimensions - Track Harvester Configuration

Height - Without Attachment144.00 in (365.76 cm)
Shipping Length - Without Attachment536.00 in (1,361.44 cm)
Width 1 - Without Attachment131.00 in (332.74 cm)
Width 2 - Without Attachment142.00 in (360.68 cm)

Engine

Displacement537.10 cu in (8,801.51 cu cm)
Engine ModelCat C9 ACERT
Gross Power305.00 hp (227.44 kw)
Net Power282.00 hp (210.29 kw)
Power Measured @2100 rpm
Rated Power282.00 hp (210.29 kw)

Hydraulic System

Pump Size - Boom, Implements110.00 cu in (1,802.58 cu cm)
Pump Size - Saw Motor30.00 cu in (491.61 cu cm)
Pump Size - Travel Circuit110.00 cu in (1,802.58 cu cm)

Operating Specifications

Alternator Supplied Amperage95 amps
Bare Pin Lift at Maximum Reach - Without Attachment9400 kg (21800 lb) @ 6.6 m (21.5 ft)
Bare Pin Lift at Maximum Reach - Without Attachment - Long Felling Linkage7400 kg (16300 lb) @ 8.2 m (27 ft)
Bare Pin Lift at Maximum Reach - Without Attachment - Track Harvester Configuration5000 kg (11000 lb) @ 10.7 m (35 ft)
Cooling System Fluid Capacity16.20 gal (61.32 l)
Engine Oil Capacity10.40 gal (39.36 l)
Fuel Capacity312.00 gal (1,180.92 l)
Hydraulic System Fluid Capacity97.80 gal (370.17 l)
Maximum Drawbar Pull101,540.00 lbs (46,057.83 kg)
Maximum Reach - With Attachment28.20 ft (8.60 m)
Maximum Reach - With Attachment - Track Harvester Configuration37.00 ft (11.28 m)
Operating Voltage24 volts
Operating Weight69,174.50 lbs (31,377.06 kg)
Operating Weight w/o Attachment68,469.00 lbs (31,057.05 kg)

Service Refill Capacities

Cooling System16.10 gal (60.94 l)
Engine Oil10.30 gal (38.99 l)
Fuel Tank312.00 gal (1,180.92 l)
Hydraulic System97.70 gal (369.79 l)
Hydraulic Tank85.30 gal (322.86 l)
Swing Drive2.70 gal (10.22 l)

Track

Ground Clearance35.00 in (88.90 cm)
Number of Rollers9 per side
Track Length193.00 in (490.22 cm)
Tractive Effort104,000.00 lbs (47,173.67 kg)
Undercarriage Pitch8.50 in (21.59 cm)
Undercarriage Size345 HEX

Undercarriage

Shoe Size28.00 in (71.12 cm)
Track Gauge8.60 ft (2.62 m)
Track Length15.80 ft (4.82 m)
Track Pitch8.50 in (21.59 cm)
Tractive Effort104,000.90 lbs (47,174.07 kg)

Weights

Operating Weight - With Attachment - Track Harvester Configuration - Long Felling Linkage79,339.00 lbs (35,987.61 kg)
Operating Weight - Without Attachment68,468.00 lbs (31,056.60 kg)
Operating Weight - Without Attachment - Track Harvester Configuration69,175.00 lbs (31,377.29 kg)
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