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550 Standard Equipment

  • C7 ACERT Tier 3, 147 kW/197 HP @ 1800 rpm

  • Heavy duty house leveling system; 17° forward, 15° each side, 3° backwards
  • Heavy duty engine house and center oscillation bearing, 15° each way
  • Cast steel articulation knuckle, 40° each way

  • 27’ (8.23 m) reach telescoping harvester boom

Drive Train
  • Hydrostatic drive with two speed drop box (0-19 km/hr)

  • Gear drive front bogie with differential lock and wet disc brakes
  • Straight rear axle with wet disc brakes and differential locks

  • 700 / 50 x 26.5 front tires and 28 L x 26 rear tires

  • Service brake: hydrostatic-dynamic braking plus pedal operated front and rear wet disc brakes
  • Parking brake on front bogie

Hydraulic System
  • Pump: 140 cc implement pump; load sensing; variable displacement
  • 100 gal. / 378.43 L hydraulic tank with filtering of all return oil
  • Electric refill pump

Cab Controls
  • High visibility cab with front entry cab door; 360° lighting package
  • Reverse slope windshield/Side window escape hatches
  • A/C heater
  • AM/FM cassette
  • IQAN MDL control system with full function graphics display

550 Optional Equipment

10.1 m reach telescoping parallel boom

Bogie tracks

Proheat warm up system


The 550 Wheel Harvester features engineered versatility that provides solid footing and level working conditions in extreme forestry conditions.


Gross Power 197.0 hp 147.0 kW Less
Engine Model Cat C7 ACERT™ Cat C7 ACERT™ Less


Transmission - type Hydrostatic, 2-speed drop box Hydrostatic, 2-speed drop box Less

Hydraulic System

Pump Size - Boom, Implements 8.54 in3 140.0 cm3 Less

Operating Specifications

Cast Steel Articulation Knuckle - +/- 40.0 Degrees 40.0 Degrees Less
Engine House and Center Oscillation Bearing - +/- 15.0 Degrees 15.0 Degrees Less
Ground Clearance 22.0 in 0.56 mm Less
House Leveling System - Backwards 3.0 Degrees 3.0 Degrees Less
House Leveling System - Each Side 15.0 Degrees 15.0 Degrees Less
House Leveling System - Forward 17.0 Degrees 17.0 Degrees Less
Reach w/ Head - Max 27.8 ft 8.47 m Less

Boom and Stick

Reach - max 27.0 ft 8.23 m Less


Ground Clearance 22.0 in 0.56 mm Less
Height 139.0 in 3520.0 mm Less
Length 299.0 in 7600.0 mm Less
Wheelbase - Duals 164.0 in 4160.0 mm Less
Width 118.0 in 3000.0 mm Less


Operating Weight - Est 47040.0 lb 21319.0 kg Less
Operating Weight w/ Attachment 47000.0 lb 21319.0 kg Less

Service Refill Capacities

Fuel Tank 120.0 gal 454.0 L Less
Hydraulic Tank 100.0 gal 378.4 L Less

Power Train

  • Cat C7 ACERT Tier III
  • 147 kW (197 HP)
  • Side by Side Engine, Air & Hyd. Cooling
  • Under Hood Exhaust System
  • Under Hood Air Intake
  • 24 Volt 85 Amp Alternator
  • NAF Gear Drive Bogie
  • Differential Lock
  • Wet Disc Brakes
  • Hydrostatic – Drive With Two Speed Drop Box
  • Straight Axle

Leveling System

  • Two Cylinder Tilt Mechanism
  • 17 Degrees Forward Tilt
  • 15 Degrees Side Tilt (Each Way)
  • 3 Degrees Rear Tilt
  • Auto Leveling
  • Taper Lock Pins


  • Telescoping “V” Bottom (5-sided) Harvester Boom
  • 8.23 m (27’) Reach To Tree
  • Optional 10.1m (33’) reach telescoping parallel boom
  • Steel Tube Hydraulic Lines
  • Cylinders Protected Under Boom

Operator Station

  • Front Entry Door
  • Spacious Cab Area
  • High Visibility Over Entire Work Area
  • 360 Degree Lighting Package
  • IQAN MDL Control System
  • IQAN Full Function Graphics Display


  • 140 cc Implement Pump
  • 379 L (100 gal) Hydraulic Tank
  • Filtering of All Return Oil
  • Electric Refill Pump
  • Optional Warm Up System


  • Upper House
  • Front Frame
  • Rear Frame
  • Center Joint
  • Articulation

Work Tools

  • PD-46 Harvesting Head with Three Pillar Tower Design
  • Load-sense Valves To Carrier Hyd. Pump
  • 11H High Speed Bar System
  • Auto Tension System
  • Power Down Ability In Bail Design
  • Large Pins and Bushings
  • Standard “auto-seek” processing head computer cuts at operator-specified length
  • Optional volume calculator/printer
  • Optional PE-41, PE-42, PE-44, and PE-50 Processing heads with DASA Optimization Computers

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