Harvester Head: HTH618C Series-III - Waratah Skip to main content
HTH618C Series-III

HTH618C Series-III

Harvester Head

Net Weight icon
Net Weight
2300 kg / 5,071 lb.
Max Hydraulic Requirements icon
Max Hydraulic Requirements
35 MPa / 5,076 psi
Max Delimb Opening icon
Max Delimb Opening
660 mm / 26 in.
Max Feed Roller Opening icon
Max Feed Roller Opening
680 mm / 27 in.
Max Sawing Capacity icon
Max Sawing Capacity
550 mm / 22 in.
Carrier Size icon
Carrier Size
22-30 metric tons
Where to buy

If you’re after an agile yet heavy-duty thinning head aptly suited for delimbing or debarking – versatility is the one thing that makes the Waratah HTH618C Series-III so attractive.

The HTH618C Series-III head's short, robust chassis leverages durability with a new, high-performance valve providing fast processing and responsive control of the twin bottom knives for superior delimbing or debarking.

Having broad capabilities and a large selection of options including topsaw, feed motors, wheels and guarding, this head is your best bet for productivity variability in applications.

Technical Data

Dimensions Width, head open (mm/in) 1600 / 63
Weight Base weight standard rotator, excluding link and some options (kg/lb.) 2300 / 5,071
Rotation 360 continuous
Delimbing Delimbing knives 1 fixed front, 4 moving, 1 fixed rear
  Maximum delimb opening processing knives (mm/in.) 660 / 26
  Maximum delimb opening harvesting knives (mm/in.) 685 / 27
Drive Quantity drive rollers 3
  Motor cc - option 1 (drive, fixed) (500, 315)
  Maximum feed speed - option 1 (m/s, ft/s) 8.3 / 27
  Motor cc - option 2 (drive, fixed) (630, 400)
  Maximum feed speed - option 2 (m/s, ft/s) 6.6 / 21.6
  Motor cc - option 3 (drive, fixed) (800, 500)
  Maximum feed speed - option 3 (m/s, ft/s) 5.2 / 17.0
  Maximum roller opening (mm/in.) 680 / 27
  Minimum feed arm diameter (mm/in.) 50 / 2
Top Saw Maximum cut diameter (mm/in.) 320 / 13
  Length of saw bar (mm/in.) 420 / 17
  Chain type (in.) 0.404
  Top saw motor displacement 10 cc
Butt/Felling Saw Standard Saw Waratah AT 3/4"
Maximum cut diameter (mm/in.) 550 / 22
Length of saw bar (mm/in.) 750 / 29
Chain type (in.) 3/4"
Saw Motor 45 cc
Oil tank capacity (L/gal.) 15 / 4
Hydraulic System Maximum operating pressure (MPa/psi) 35 / 5,076
Maximum pump capacity (L/min.,gal./min.) 320-360 / 85-95
Carrier Size Range Tracked (metric tons) 22-30
Control and Measuring System TimberRite H-16

Optional Configurations

Optional Butt Saw - SC100
Maximum cut diameter (mm/in.) 550 / 22
Length of saw bar (mm/in.) 750 / 29
Feed rollers: steel thumbnail, debarking
No top saw Continuous 360-degree rotation
Color marking (SED or LED) Stump spray
Cast processing upper delimb arms Cast harvesting (CTL) upper delimb arms
Alpine outer feed wheels Second diameter sensor
Find end sensor Harvesting guarding
Snow hole guarding Pressure sensors (M, CD, T)

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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