HTH622C 4X4 Harvester Head | Waratah Skip to main content
HTH622C 4X4 Harvester Head

HTH622C 4X4

Harvester Head

Net Weight icon
2760 kg / 6,085 lb.
Net Weight
Max Hydraulic Pressure icon
35 MPa / 5,076 psi
Max Hydraulic Pressure
Max Delimb Opening icon
650 mm / 26 in.
Max Delimb Opening
Max Feed Roller Opening icon
780 mm / 31 in.
Max Feed Roller Opening
Max Sawing Capacity icon
750 mm / 30 in.
Max Sawing Capacity
Carrier Size icon
25-35 metric ton
Carrier Size

Available in North America/Canada only; coming to other global markets soon.

Where to buy

Innovative and engineered for the toughest applications, the HTH622C 4x4 provides peak performance, productivity, and uptime — helping keep you in the green.

Engineered for the toughest conditions, the new four-roller Waratah HTH622C 4x4 multistem processing head delivers the performance and proven innovation you expect from the industry leader:

  • Four-roller design, for single harvesting/processing or multi-stem processing applications.
  • Automatic dual stem and end alignment, for fast processing and minimal waste.
  • New dual diameter- and length-measuring innovation, for extreme accuracy.
  • New high-flow hydraulic valve, for faster feeding and improved saw performance.
  • On-demand synchronized four-wheel drive with responsive proportional control, for positive traction.
  • Standard auto-tension (3/4 in.)-pitch main saw with 65-cm (26 in.) cutting capacity, for extra efficiency, longer chain life, and fewer service intervals.
  • New 360-deg. continuous rotation, for improved log handling, reduced carrier-to-head hose failures, and lower operating costs.
  • Smart new maintenance features, for shorter servicing time, improved access, and maximum operator productivity.

Technical Data

Dimensions: Maximum feed-roller opening 78 cm 31 in
Width (maximum) 170 cm 67 in
Weight: Excluding links and some options 2760 kg 6,085 lb
Butt Saw: Saw type Waratah 3/4
Maximum cutting diameter 750 mm 30 in
Bar and chain type 900 mm 35 in
Saw limiting Optional
Oil tank capacity 22 L 4.8 gal
Top Saw: Saw type 0.404
Maximum cutting diameter 40 cm 16 in
Bar and chain type 59 cm 23 in
Lubrication Bar oil from tank
Feed System: 4 feed rollers with on-demand hydraulic synchro-drive Various feed-wheel options available
Feed motors (drive arm motor/fixed drive motor) 702 cc/400 cc
Feed speed — maximum flow 6.5 m/s @ 360 l/min
21.3 ft./sec. @ 95 gpm
Delimbing: Top knives 1 fixed, 2 moving
Maximum delimb opening 650 mm 26 in
Control and Measuring System Options: TimberRite H-16

Optional Configurations

Color-Marking System

Carrier Requirements

Carrier Size Range: 25-35 tonne
Hydraulic Requirements: Maximum pressure 35 MPa 5,076 psi
Useable pressure 32 MPa 4,641 psi
Maximum flow 320–360 l/min 85–95 US gal./min
Optimum flow @ pressure 360 l/min. @ 15 MPa 95 gpm @ 2,175 psi

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    Not all models available in all countries. Service and support may also vary by region. Please contact a dealer for more information.

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