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Room and pillar

12CM27

Continuous miners

  • Maximum cutting height (in) 147 - 197
  • Maximum cutting height (mm) 3725 - 5000
  • Minimum cutting height (in) 83 - 95
  • Minimum cutting height (mm) 2100 - 2415
  • Total power (HP) 1,052 HP @ 3,300 V 50 H
  • Total power (kW) 707 kW @ 950 V 50 Hz

Engineered for performance, proven underground

Designed for narrow entry and mid to high‑seam mining applications, the 12CM27 combines increased mass with immense cutting power to deliver reliable performance in demanding underground operations. Its solid Mega Head cutting system, paired with a wide 965‑mm (38‑in) conveyor, provides a robust platform for consistent, high‑availability production.

  • Driven by technology, designed for endurance, and built to keep your operation moving forward
  • Delivering consistent production, low cost per tonne, and the confidence to mine smarter and safer
  • Delivering maximum tonnage, optimal uptime, and operator confidence, shift after shift
  • More power, more precision, and more uptime—built to cut harder and last longer

Features and benefits

Streamline ramp-up to full production

Streamline ramp-up to full production

Achieve production goals with best-in-class data analytics, life cycle management and application engineering.

Enjoy seamless operation with intuitive controls

Enjoy seamless operation with intuitive controls

One touch shear automation and two-way remotes make the machine easier and simpler to operate and monitor.

Enhance productivity and safety through monitoring

Enhance productivity and safety through monitoring

Outbye communications and optional proximity detection system help to boost productivity and strengthen safety culture.

Build your success on a solid foundation

Build your success on a solid foundation

With a 100+ year legacy in the underground mining industry and steadfast commitment to Australia's sustinable future, Komatsu fosters long-term relationships offering equipment expertise and a proven product lineup to help customers reach their goals.

Reach world-class productivity with top-tier tech

Reach world-class productivity with top-tier tech

Unlock your productivity potential with cutting-edge automation, advanced digitization and performance insights. Propel your operations into the future using Komatsu's best-in-class tech to maximize equipment utilization, find efficiencies and enhance safety.

Discover unparalleled direct service

Discover unparalleled direct service

Our local team, supported by a worldwide network, brings global best practices and resources to you. Our local presence helps us understand and solve your unique challenges and provide high-quality direct service, including maintenance, repairs and rebuilds.


Specifications

Metric Imperial (US)
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  • Cutter head design: Solid head
  • Cutter head diameter (in): 54
  • Cutter head diameter (mm): 1 367
  • Nominal machine mass (t): 85
  • Ground pressure (kPa): 241
  • Ground pressure (psi): 35
  • Ground clearance (in): 12.6
  • Ground clearance (mm): 320
  • Conveyor width (in): 38
  • Conveyor width (mm): 965
  • Tram speed (m/min): First - 4.6, Second - 9.1, Third - 19.8, Third (optional, turbo) - 25.9
  • Tram speed (ft/min): First - 15, Second - 30, Third - 65, Third (optional, turbo) - 85
  • Machine input voltage: 950V +/-10% voltage rating @ 50Hz
  • Dust collector (kW): 22
  • Dust collector (HP): 30
  • Cutter (HP): 2 x 280
  • Cutter (kW): 2 x 210
  • Pump (HP): 74
  • Pump (kW): 55
  • Gathering head (kW): 2 x 45
  • Gathering head (HP): 2 x 60
  • Traction (HP): 2 x 80
  • Traction (kW): 2 x 60

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