Category : Feller Bunchers ➔ Manufacturer : Caterpillar ➔ Model : 551 ➔
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.
Boom
Caterpillar 551 Feller Buncher Boom specifications
Bare Pin Lift At Max Reach
11,023.12 lbs (5,000.01 kg)
Dimensions
Caterpillar 551 Feller Buncher Dimensions specifications
Ground Clearance
2.92 in (7.42 cm)
Height
12.00 ft (3.66 m)
Height To Top Of Cab
12.01 ft (3.66 m)
Max Reach
28.22 ft (8.60 m)
Overall Length
30.92 ft (9.42 m)
Overall Width
10.92 ft (3.33 m)
Shipping Length - With Attachment
461.00 in (1,170.94 cm)
Shipping Length - Without Attachment
371.00 in (942.34 cm)
Width 1
131.00 in (332.74 cm)
Width 2
142.00 in (360.68 cm)
Dimensions - Track Harvester Configuration
Caterpillar 551 Feller Buncher Dimensions - Track Harvester Configuration specifications
Height - Without Attachment
144.00 in (365.76 cm)
Shipping Length - Without Attachment
536.00 in (1,361.44 cm)
Width 1 - Without Attachment
131.00 in (332.74 cm)
Width 2 - Without Attachment
142.00 in (360.68 cm)
Engine
Caterpillar 551 Feller Buncher Engine specifications
Displacement
537.10 cu in (8,801.51 cu cm)
Engine Make
2236
Engine Model
C9 ACERT
Gross Power
305.00 hp (227.44 kw)
Net Power
282.00 hp (210.29 kw)
Power Measured @
2100 rpm
Rated Power
282.00 hp (210.29 kw)
Hydraulic System
Caterpillar 551 Feller Buncher Hydraulic System specifications
Pump Size - Boom, Implements
110.00 cu in (1,802.58 cu cm)
Pump Size - Saw Motor
30.00 cu in (491.61 cu cm)
Pump Size - Travel Circuit
110.00 cu in (1,802.58 cu cm)
Operating Specifications
Caterpillar 551 Feller Buncher Operating Specifications specifications
Bare Pin Lift At Maximum Reach - Without Attachment
9400 kg (21,800 lb) @ 6.6 m (21.5 ft)
Bare Pin Lift At Maximum Reach - Without Attachment - Long Felling Linkage
7400 kg (16,300 lb) @ 8.2 m (27 ft)
Bare Pin Lift At Maximum Reach - Without Attachment - Track Harvester Configuration
5000 kg (11,000 lb) @ 10.7 m (35 ft)
Maximum Drawbar Pull
101,540.00 lbs (46,057.83 kg)
Maximum Reach - With Attachment
28.20 ft (8.60 m)
Maximum Reach - With Attachment - Track Harvester Configuration
37.00 ft (11.28 m)
Operational
Caterpillar 551 Feller Buncher Operational specifications
Alternator Supplied Amperage
95 amps
Cooling System Fluid Capacity
16.20 gal (61.32 l)
Engine Oil Capacity
10.40 gal (39.36 l)
Fuel Capacity
312.00 gal (1,180.92 l)
Hydraulic System Fluid Capacity
97.80 gal (370.17 l)
Operating Voltage
24 V
Operating Weight W/O Attachment
68,469.00 lbs (31,057.05 kg)
Service Refill Capacities
Caterpillar 551 Feller Buncher Service Refill Capacities specifications
Cooling System
16.10 gal (60.94 l)
Engine Oil
10.30 gal (38.99 l)
Fuel Tank
312.00 gal (1,180.92 l)
Hydraulic System
97.70 gal (369.79 l)
Hydraulic Tank
85.30 gal (322.86 l)
Swing Drive
2.70 gal (10.22 l)
Track
Caterpillar 551 Feller Buncher Track specifications
Ground Clearance
35.00 in (88.90 cm)
Number Of Rollers
9 per side
Track Length
193.00 in (490.22 cm)
Tractive Effort
104,000.00 lbs (47,173.67 kg)
Undercarriage Pitch
8.50 in (21.59 cm)
Undercarriage Size
345 HEX
Undercarriage
Caterpillar 551 Feller Buncher Undercarriage specifications
Shoe Size
28.00 in (71.12 cm)
Track Gauge
8.51 ft (2.59 m)
Track Pitch
8.50 in (21.59 cm)
Tractive Effort
104,000.88 lbs (47,174.06 kg)
Weights
Caterpillar 551 Feller Buncher Weights specifications
Operating Weight - With Attachment - Track Harvester Configuration - Long Felling Linkage
79,339.00 lbs (35,987.61 kg)
Operating Weight - Without Attachment
68,468.00 lbs (31,056.60 kg)
Operating Weight - Without Attachment - Track Harvester Configuration
69,175.00 lbs (31,377.29 kg)
