Komatsu's New PC78 Compact Excavators Built for Tight Sites

Komatsu has introduced the PC78US-11 which features a tight tailswing design and greater raising angle for optimal digging in crowded spaces.

PC78US-11

Performance Features

  • 2.4-liter, 68 horsepower Tier 4 Final engine with 6 working modes (power, eco, lifting, breaker, attachment-power, and attachment-economy)
  • 13% improvement in fuel burn
  • Swing radius of 4-feet 7-inches with only 9-inches of cab overhang
  • 12-foot 2-inch boom with greater raise angle
  • 6-foot 9-inch implement swing radius
  • 9% improvement in productivity due to faster boom and swing speeds
  • Grading blade with new moldboard-style profile
  • Auxiliary circuit max flow of 36.5 gpm / 3,830 psi (2-way) and 21.1 gpm / 2,490 psi (1-way)
  • Operating weight of 17,747 lbs
The PC78's tight tailswing allows for work and travel on constrained jobsites.

Comfort Features

  • Reduced in-cab noise levels (71 decibels) and reduced vibration
  • Air suspension seat with deep side supports and adjustable backrest
  • AM/FM radio with USB and Bluetooth
  • Pattern changer standard
  • Sliding cab door for easy access in confined spaces
  • 7-inch LCD display with standard rearview camera
  • LED lights

Service Features

  • Ground-level access to all service points
  • Heavy duty, high pressure common rail fuel injection system with cooled exhaust gas recirculation achieves near complete combustion for reduced emissions
  • 100% passive regeneration without a DPF
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