Komatsu Excavator PC490HRD-11 | 55 ton

Description

Komatsu Excavator PC490HRD-11 | 55 ton

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The Komatsu PC490HRD-11 is a heavy-duty crawler excavator purpose-built for demanding high-reach demolition applications. Depending on the chosen boom arrangement and configuration, its operating weight ranges from 55.2 to 75.8 tonnes (approx. 128,199 to 167,176 lbs).

Engine Specifications

• Model: Komatsu SAA6D125E-7 (EU Stage V / Tier 4 Final compliant)

• Type: Common rail direct injection, water-cooled, emissionised, turbocharged, after-cooled diesel

• Engine Power: 362 HP (270 kW) @ 1,900 rpm

• Number of Cylinders: 6 cylinders

Working Reach & Attachment Weights

The machine can be configured in six different working arrangements via the K100 quick boom change system, allowing operators to swap setups in minutes from inside the cab:

• Extended High-Reach Demolition: Reaches a maximum height of 31.8 m (105 ft); supports a maximum tool/attachment weight of 2,500 kg (5,512 lbs).

• High-Reach Demolition: Maximum reach height of 28 m (92 ft); supports up to 3,350 kg (7,385 lbs) attachment weight.

• Medium-Reach Demolition: Reaches up to 17.4 m (57 ft) from ground level; supports heavy demolition tools up to 5,000 kg (11,023 lbs).

Hydraulic & Undercarriage System

• Hydraulic System: HydrauMind closed-centre system with load sensing and pressure compensation valves.

• Main Pump: 2 variable displacement piston pumps with a maximum flow rate of 2 x 345 L/min (2 x 91.1 gpm).

• Undercarriage: Hydraulically extendable undercarriage (HWG type) extending from a narrow track gauge of 2,280 mm for transport up to 3,280 mm for maximum working stability.

Key Operational Features

• Tilting Demolition Cab: Operates via joystick buttons to tilt up to 45 degrees, giving the operator excellent upward visibility.

• Safety SpaceCab: Robust design providing top-tier FOPS Level 2 impact protection.

• KomVision: Standard 360-degree networked camera system providing a real-time bird’s-eye view on the widescreen cab monitor.

• Working Range Indicator: High-resolution color graphic display that tracks the machine’s live stability limits and provides pre-alerts.