Description

Here are the Komatsu PC55 Excavator Specifications (English version) — commonly referring to the Komatsu PC55MR-3:

Komatsu PC55 Specifications

General Information

  • Machine Type: Mini Hydraulic Excavator
  • Operating Weight: 5,160 – 5,280 kg
  • Bucket Capacity: 0.055 – 0.18 m³
  • Tail Type: Short Tail Swing (Compact Radius)

Engine

  • Engine Model: Komatsu 4D88E-6
  • Engine Power: 28.5 kW (39 HP) @ 2,400 rpm
  • Engine Type: 4-cylinder diesel
  • Fuel Tank Capacity: 65 L

Performance

  • Max Digging Depth: 3,800 – 4,160 mm
  • Max Digging Reach: approx. 6,070 – 6,220 mm
  • Max Dumping Height: approx. 4,230 mm
  • Bucket Digging Force: approx. 35 – 39 kN
  • Arm Digging Force: approx. 22 – 25 kN

Hydraulic System

  • Pump Type: Variable displacement piston pumps
  • Main Pump Flow: approx. 140 L/min
  • System Pressure: approx. 26.5 MPa

Travel & Mobility

  • Travel Speed:
    • Low: 2.6 km/h
    • High: 4.6 – 4.7 km/h
  • Swing Speed: 9 rpm
  • Gradeability: 30°

Dimensions

  • Overall Length: approx. 5,550 mm
  • Overall Width: approx. 1,960 mm
  • Overall Height: approx. 2,550 mm
  • Ground Clearance: approx. 300 mm
  • Track Shoe Width: 400 mm

Features

  • Compact short-tail design for confined spaces
  • Powerful and fuel-efficient Komatsu engine
  • Smooth hydraulic control system
  • Excellent stability and digging force
  • Suitable for breaker, auger, grapple and quick coupler attachments

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