Logset TH55

For thinning operations and small-sized clearfells

Product content

Logset TH55

Logset TH55 is a light, compact and highly productive harvester head designed especially for thinning and clear felling of midsized timber. 

The lightweight Logset TH55 is an excellent choice for midsized harvesters with long out-reach cranes. The three-roller synchronized feed ­system ­ensures a powerful and precise feeding in all ­conditions.

The harvester head performs perfectly on bent timber because of its long front knives equipped with parallel rod, its large tilt angle and short frame. The diameter of the timber is measured from the front knives with two sensors, which guarantees a reliable diameter measurement. The fully hydraulic length-measuring wheel, with a possibility to adjust the pressure, together with a wide range of different measuring wheel ­options ensure a precise length measurement in all conditions.

The head can be equipped with custom knives, feeding wheels and software for efficient bunch processing.

Technical data


Width, head open, mm1420 (56 in)
Width, head closed, mm1200 (47 in)
Height to top knife, mm1300 (51 in)
Height with rotator and link, mm1820 (72 in)
Weight with rotator and link, kg1000 (2 200 lbs)


Max. felling/cutting diameter, mm650 (26 in)
Saw bar, mm750 (30 in)
Saw unitSuperCut 100
Saw motorParker F11-19, Bucher 20/25
Saw chain tensioningHydraulic
Chain oil tank volume, liter8 (2 gal)

Hydraulic system

Max. pressure, bar280 (4 061 psi)
Flow required for optional prod. l/min240 (63 gal/min)
Valve block: purpose built hydraulic manifold 


Hydraulic motors, feeding arms, cm³400/500
Hydraulic motors, chassis, cm³250/315
Number of hydraulic motors, pcs4
Feeding speed (300 l/min, 79 gal/min), m/s6,0/4,7 (20/15 ft/s)
Max opening, feed wheels, mm630 (25 in)


Max. opening, upper knives, mm680 (27 in)
Delimbing diameter tip to tip, mm450 (18 in)
Number of static knives, pcs1
Number of movable knives, pcs3


Indexator AV 12-17/H122-182, Black Bruin BBR 15-16 

Measuring system

Logset TOC-MD 2 

Recommended base machine size

Wheeled base, from14-18 t. (31 000-40 000 lbs)
Tracked base, from16-20 t. (35 000-44 000 lbs)

Optional equipments

Contact your local dealer for more information about options 
Logset TH55 studio picture