Robust and reliable


For many years well proven thinning- and final cut harvester head W52 with excellent reliability.

Max. grapple opening 108 cm
Delimbing parameter 7 - 50 cm
Feed force 30 kN
Weight 1.170 kg ¹)

Worldwide proven- worldwide appreciated

The extremely robust design promises a long lifetime for many years. Big diameter feeding wheels of the 2-wheel drive generate maximum traction by separate control.

Parallel to the constructive layout ot the delimbing unit is an outstanding delimbing result of crooked trees and hardwood possible. The patented frame geometry with tiltable feeding unit as well as endless rotation with KONRAD rotator are only two of many innovations which convince customers for years.




Technical data

General information

Weight 1170 kg ¹) / 1230 kg ²)
Recommended engine power 88 kW (120 PS)
Operating pressure 320 - 350 bar
Oil requirement 150 - 200 l/min
Rotator Integrated KONRAD endless rotator
Operating voltage 24 V
Control system KTC 1.0 (MCS)

Saw unit

  Main saw opt. Top saw
Chain tensioner system manualmanual
Chain speed 40 m/s40 m/s
Length of saw guide bar 750 mm420 mm
Max. cutting diameter 550 mm320 mm
Chain pitch .404".404"
Number of drive links 8855

Feed unit

Feed 2 feed rollers
Max. feed force 30 kN
Feed speed 0 - 4 m/s
Max. feed roller opening 520 mm

Grapple unit

Delimbing tools 4x flexible, 1x static
Delimbing diameter 70 - 500 mm
Max. grapple opening 1080 mm

1) Weight Incl. Rotator; hydraulic oil filled
2) With optional top saw

Optional equipment: In addition to the standard equipment, a broad range of optional equipment is also available. Further information on standard and optional equipment can be obtained from your KONRAD distributor.

The manufacturer reserves the right to make technical modifications and improvements.