Komatsu 398

Big, strong and robust

Komatsu 398

The Komatsu 398 is designed and built for large timber. Whether it is selective harvests, clear cuts working as a harvester, or processing pre-felled timber, the 398's well thought out design is based on tried-and-tested components and a strong main frame.




Komatsu 398
Max width

1,800 mm (71”)

Height incl. rotator

2,440 mm (97”)

Height to vertical knife

2,025 mm (80”)

Opening knives, upper

800 mm (32”)

Roller opening, max

750 mm (30”)


from 2,975 kg (6,140 lb)

Feed speed

Up to 5 m/s (16.4 ft/s)

Gross feed force

Up to 40 kN (9,000 lbf)

Feed wheel type


Delimbing knives, number

3 standard, 2 additional optional knives


3/4'' pitch, 91 cm (36'') bar with 40 cc/rev saw motor

Fell/Cut diam. theor. max

780 mm (31'')

Max hydraulic flow

400 L/min (106 gpm)

Max hydraulic pressure

300 Bar (4,350 psi)

General information

Standard and extra equipment are market-dependent and vary between countries. The specification describes possible equipment, not that which is standard or optional. Stated weights are based on standard equipment. Specifications and designs are subject to change without notice.

Our customers