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551 Track Feller Buncher

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

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SPECIFICATION SUMMARY
  • Gross Power 305.0 hp
  • Engine Model Cat® C9 ACERT™
  • Rated Power 282.0 hp
  • Displacement 537.0 in3

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Gross Power
    305.0 hp
  • Engine Model
    Cat® C9 ACERT™
  • Rated Power
    282.0 hp
  • Displacement
    537.0 in3
  • Gross Power
    305 HP
  • Engine Model
    Cat® C9 ACERT™
  • Rated Power
    282 HP
  • Displacement
    537 in³

Track

  • Track Length
    193.0 in
  • Ground Clearance
    35.0 in
  • Undercarriage Size
    345 HEX
  • Undercarriage Pitch
    8.5 in
  • Track Gauge
    2591-2870 mm (102-113 in)
  • Number of Rollers
    9 per side
  • Tractive Effort
    104000 lb
  • Track Length
    193 in
  • Ground Clearance
    35 in
  • Number of Rollers
    142 in

Service Refill Capacities

  • Fuel Tank
    312.0 gal
  • Cooling System
    16.1 gal
  • Engine Oil
    10.3 gal
  • Hydraulic Tank
    85.3 gal
  • Hydraulic System
    97.7 gal
  • Swing Drive
    2.64 gal
  • Fuel Tank
    312 gal (US)
  • Cooling System
    16.1 gal (US)
  • Engine Oil
    10.3 gal (US)
  • Hydraulic Tank
    85.3 gal (US)
  • Hydraulic System
    97.7 gal (US)
  • Swing Drive
    2.64 gal (US)

Dimensions

  • Height
    144.0 in
  • Shipping Length - With Attachment
    461 in
  • Shipping Length - Without Attachment
    371 in
  • Width 1
    131 in
  • Width 2
    142 in
  • Height
    144 in

Operating Specifications

  • Maximum Reach - With Attachment
    28.2 ft
  • Maximum Reach - With Attachment - Track Harvester Configuration
    37 ft
  • Maximum Drawbar Pull
    101540 lb
  • 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 - Track Harvester Configuration
    5000 kg (11,000 lb) @ 10.7 m (35 ft)
  • Bare Pin Lift at Maximum Reach - Without Attachment - Long Felling Linkage
    7400 kg (16,300 lb) @ 8.2 m (27 ft)

Weights

  • Operating Weight - Without Attachment
    68468 lb
  • Operating Weight - Without Attachment - Track Harvester Configuration
    69175 lb
  • Operating Weight - With Attachment - Track Harvester Configuration - Long Felling Linkage
    79339 lb

Hydraulic System

  • Pump Size - Travel Circuit
    110 gal/min
  • Pump Size - Boom, Implements
    110 gal/min
  • Pump Size - Saw Motor
    30 gal/min

Dimensions - Track Harvester Configuration

  • Shipping Length - Without Attachment
    536 in
  • Height - Without Attachment
    144 in
  • Width 1 - Without Attachment
    131 in
  • Width 2 - Without Attachment
    142 in

Powertrain

Hydraulic Packages

Operator Comfort

Leveling System

Undercarriage

Boom and Stick

Versatility

Owning and Operating Costs

Serviceability

Customer Focus

Standard Equipment:

  • Electrical
    • 24-volt electrical system
    • 2-12 volt maintenance free batteries
    • 95 Amp alternator
    • IQAN programmable controls
    • MDL large screen display
  • Guards
    • Twin hydraulically actuated hinged engine enclosure with warning alarm
    • Engine fan guard
    • Bottom guards
    • Isolation mounted cab and engine
    • Heavy duty radiator guard door
  • Operator Environment
    • OPS/FOPS/ROPS cab
    • Dual joystick control
    • Reverse slope windshield
    • Air ride seat
    • Skylight - alternate escape hatch
    • Top escape hatch
    • 3 inch retractable seat belt
    • Heater/air conditioner w/climate control
    • DIN mount radio ready with speakers
    • Operator sound suppression to standards
    • Travel alarm
    • Cup holders (2)
    • 2-12 volt and 1-24 volt power outlets
    • Front Window, 1.25 in Thick Margard
  • Powertrain
    • C9 ACERT engine meets Tier 2 emissions requirements
    • Infinitely variable travel speed
    • Under hood centrifugal precleaner and primary air filter
    • Heavy-duty cooling package
    • Electric fuel priming pump
  • Undercariage
    • Track roller guards with access holes
    • Hydraulic track adjusters
    • Double flange bottom rollers
    • Caterpillar® 330 HEX bolted, non-leveling carbody, variable gauge
    • Caterpillar 345 undercarriage bolted, variable gauge non-leveling carbody, GFT 110 final drives
  • Other Standard Equipment
    • Vandalism protection
    • Spare hose storage area
    • Storage area
    • Flexxaire™ Fan
    • Fuel water separator
    • 312 US gallon fuel tank
  • Hydraulics
    • Dedicated fixed displacement pilot pump
    • Dedicated variable displacement pumps for track and implement functions
    • 30 gpm variable displacement saw pump
    • Cat® 325C swing drive and swing motor
    • Electric hydraulic oil fill pump
    • 84 US gal hydraulic tank
  • Antifreeze
    • 50% concentration extended life coolant

Optional Equipment:

  • Track Systems
    • 24" SG pads, clipped corners, with mud/snow reliefs
    • 28" SG pads, clipped corners, with mud/snow reliefs
    • Star carrier Rollers
    • Standard Single Flange carrier Rollers
  • Other Equipment
    • Starting Aid, Cold Weather
    • Starting Aid, Arctic - Includes engine and hydraulic heaters
  • Field Installed Attachments
    • CD Player with AM/FM Stereo – remote capable
    • Skylight, peaked, removable
    • Loose Linkage Arrangements
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