Forestry forwarder 855-4

Overview
The Komatsu 855-4 is a versatile forwarder engineered for thinning and final felling operations. Compact yet powerful, it delivers productive timber handling across varied terrain and working conditions.

Key features

• Multiple configuration options: two load-space sizes, tiltable crane pillar and XT transmission for demanding terrain
• Crane options: Komatsu 130F (8 m or 10 m) or optional 145F (8.5 m or 10 m)
• Wheel and tyre choices: 26.5" wheels with tyre widths 600 / 710 / 800 mm

Highlights

• Approx. weight (8WD): 18 570 kg
• Gross load options: 14 000 kg or 15 000 kg
• Engine power: 190 kW @ 1900 rpm (EU Stage V / Tier 4F)
• Max tractive effort: 210 kN / 232 kN

Dimensions
A. Width: With 600/55x26.5 tyres: 2 730 mm
B. Total length: 130F: 10 200 mm; 145F: 10 380 mm (shortest rear frame)
C. Front axle to middle joint: 1 900 mm
D. Middle joint to rear axle: 130F: 3 300 mm; 145F: 3 480 mm (shortest rear frame)
E. Transport height (hoses & tyre compression): 130F: 3 920 mm; 130F with crane tilt: 3 880 mm; 145F: 3 930 mm
F. Ground clearance at steering joint: 710 mm

Engine
Type: AGCO Power 75FSTN-D5, 6-cylinder diesel with turbo and intercooler
Displacement: 7.5 l
Power: 190 kW @ 1900 rpm (EU Stage V / Tier 4F)
Torque: 1 130 Nm @ 1 500 rpm
Fuel tank: 210 l

Bunk area
Gross load: 14 000 / 15 000 kg
Bunk area: 4.4 - 5.9 m²

Crane and grapple
Crane: Komatsu 130F or Komatsu 145F
Reach: 130F: 8 m / 10 m; 145F: 8.5 m / 10 m
Gross lifting torque: 130F: 127 kNm; 145F: 145 kNm
Gross slewing torque: 130F: 28.7 kNm; 145F: 38 kNm
Rotator: G121 / GT151
Grapples: wide selection available for different assortments

Hydraulic system
Max hydraulic flow: 370 l/min at 1 950 rpm

Electrical system
Voltage: 24 V
Battery capacity: 2 x 185 Ah
Generator: 200 A

Transmission
Driving speed: 0 - approx. 24.5 km/h
Tractive force: 210 kN / 232 kN

Notes
Specifications describe possible equipment and may vary by market and country. Standard and optional equipment differ; weights are based on the basic specification. Specifications and designs are subject to change without prior notice.

Technical specifications

• Model: 855-4
• Brand: Komatsu Forest
• Engine power: 190 kW @ 1900 rpm
• Engine type: AGCO Power 75FSTN-D5, 6-cylinder diesel with turbo and intercooler
• Torque: 1 130 Nm @ 1 500 rpm
• Fuel tank: 210 l
• Approx. weight (8WD): 18 570 kg
• Gross load options: 14 000 kg or 15 000 kg
• Bunk area: 4.4 - 5.9 m²
• Crane options: Komatsu 130F, Komatsu 145F
• Reach: up to 10 m
• Max hydraulic flow: 370 l/min
• Voltage: 24 V
• Battery: 2 x 185 Ah
• Driving speed: up to approx. 24.5 km/h