Wheeled forestry harvester 931-4

Product overview

• The Komatsu 931-4 is a forest harvester designed for late thinning and final felling, combining compact 6WD mobility with a high-capacity 240H boom.
• 6WD configuration improves manoeuvrability in confined and uneven terrain.
• 240H boom available with 8.7 / 10 / 11 m reach to suit different stands and operating profiles.
• Multiple factory and dealer options allow configuration for operator comfort and site productivity.

Highlights

• Engine power: 214 kW @ 1 850 rpm (EU Stage V / Tier 4F / MAR-1)
• Gross lifting torque: 241 kNm
• Max tractive effort: 193 kN
• Operating weight: From 20 382 kg

Specifications
Dimensions
A. Width with 600/55x26.5 tyres: 2 726 mm (8'11")
B. Total length: 7 530 mm
C. Front axle to middle joint: 1 930 mm (6'4")
D. Middle joint to rear axle: 1 800 mm (5'11")
E. Transport height (straight cab): 3 930–3 995 mm (depending on options). Transport position example: 3 910 mm
F. Ground clearance at steering joint: 675 mm
Note: Dimensions are nominal and may vary with equipment and production tolerances.

Weight

• Approximate weight: From 20 382 kg

Engine

• Type: AGCO Power 75FSTN-D5, 6-cylinder diesel with turbo and intercooler
• Displacement: 7.5 l
• Power: 214 kW @ 1 850 rpm (EU Stage V / Tier 4F / MAR-1)
• Torque: 1 280 Nm @ 1 850 rpm
• Fuel tank: 405 l

Boom

• Model/reach: 240H — 8.7 / 10 / 11 m
• Gross lifting torque: 241 kNm
• Gross slewing torque: 47.5 kNm

Heads

• Compatible harvester heads: S92, C93, C124, S132, C144, 370E, S162E

Hydraulic system

• Flow: 485 l/min @ 1 470 rpm
• System pressure: 280 bar

Electrical system

• Voltage: 24 V
• Battery: 2 x 185 Ah
• Alternator: 200 A

Transmission

• Driving speed: 0–25 km/h
• Maximum tractive force: 193 kN

Notes
Specifications describe possible equipment and do not distinguish between standard and optional items. Equipment and weights vary by country and configuration. Specifications are subject to change without prior notice.

Technical characteristics

• Model: 931-4
• Brand: Komatsu
• Power: 214 kW @ 1 850 rpm
• Engine type: AGCO Power 75FSTN-D5, 6-cylinder diesel, turbocharged and intercooled
• Torque: 1 280 Nm @ 1 850 rpm
• Fuel tank capacity: 405 l
• Boom: 240H with 8.7 / 10 / 11 m reach
• Gross lifting torque: 241 kNm
• Gross slewing torque: 47.5 kNm
• Hydraulic flow: 485 l/min @ 1 470 rpm
• Hydraulic pressure: 280 bar
• Available harvester heads: S92, C93, C124, S132, C144, 370E, S162E
• Driving speed: 0–25 km/h
• Max tractive effort: 193 kN
• Approx. weight: From 20 382 kg
• Dimensions example: Width with 600/55x26.5 tyres 2 726 mm; Total length 7 530 mm; Transport height straight cab 3 930–3 995 mm; Ground clearance at steering joint 675 mm
• Electrical: 24 V, 2 x 185 Ah batteries, 200 A alternator