Trunk grip and effective feed are key features of this new harvester head.
 2013/Komatsu S92 harvester head thinning and clearfell(1).jpg)
The head has two feed rollers that allow even crooked trees to twist in the head. Three of the four delimbing knives are movable and one is fixed. The delimbing knife controller adjusts knife pressure throughout the feed cycle with minimal friction on the head but without affecting delimbing quality. The saw unit can be equipped with either manual or automatic chain tensioning. It can also be equipped with a multi-tree accumulator. Key specifications can be found in the table below.
The head has two feed rollers that allow even crooked trees to twist in the head. Three of the four delimbing knives are movable and one is fixed. The delimbing knife controller adjusts knife pressure throughout the feed cycle with minimal friction on the head but without affecting delimbing quality. The saw unit can be equipped with either manual or automatic chain tensioning. It can also be equipped with a multi-tree accumulator. Key specifications can be found in the table below.
| Feed roller opening | 519 mm (20.4 in) |
| Feed force | 21.2 kN |
| Feed speed | 4.1 m/s (13.5 ft/s) |
| Knife opening | 536 mm (22.1 in) |
| Bar | 64 cm (25.3 in) Optional: 75 cm (29.5 in) |
| Cutting diameter | 630 mm (24.8 in) |
| Weight | From 959 kg (2,114 lb) |
Source: http://www.komatsuforest.com/default.aspx?id=94924&mode=specs&rootID=1475