Komatsu America Unveils Two Tier 4 Hydraulic Excavators

SOURCE: Komatsu | May 13, 2019

Komatsu America has launched two hydraulic excavators which it says feature increased power, improved production and a single ‘Power +’ operating mode that does not compromise fuel consumption.

The PC1250SP-11and  PC1250LC-11Tier 4 final emissions certified hydraulic excavators provide improved operator comfort levels, the company adds.

Kurt Moncini, Sr. product manager, tracked equipment, Komatsu America, says: “The PC1250 offers exceptional customer value across a broad range of applications, including sewer and water, general construction, mass excavation, as well as mining, quarry, sand and gravel.”

Both models have SAA6D170E-7 engines with two Komatsu Diesel Particulate Filters that do not require Diesel Exhaust Fluid (DEF) or a Selective Catalyst Reduction (SCR) system.

According to Komatsu, the PC1250LC-11 operating weights vary between 269,300 lbs. (122 409 kg) and 275,240 lbs. (125 109 kg). The PC1250SP-11 operating weights vary between 259,960 lbs. (118 164 kg) and 265,900 lbs. (120 864 kg).

New features of the PC1250SP-11/PC1250LC-11 include:

  • A Komatsu 23.15-liter SAA6D170E-6 diesel engine with 758 HP/565 kW) is EPA Tier 4 final emissions certified and requires no DEF or an SCR. The engine has 13% more horsepower than the previous models and uses the following technologies to meet EPA Tier 4 Final emission requirements:
  • New Power plus work mode with enhanced engine/hydraulic pump control efficiency helps increase productivity up to 8% without negatively impacting fuel consumption compared to the previous models.
  • Upgraded operator cab is 3.5” (90mm) wider than the current Dash 11 excavator cabs and is OPG Level 1 (ISO 12117-2) compliant with standard OPG Level 2 (ISO 10262) top guard. Sounds levels are also 2 dB(A) lower than the previous models.
  • Upgraded, high-resolution, 7” LCD colour monitor panel that incorporates a new updated default split-display mode showing KomVision camera display and key gauges.
  • Standard KomVision 4 camera system provides a bird’s-eye view of the surrounding area for improved operator situational awareness.
  • Auxiliary jack to connect MP3 players or other digital devices for playback through the standard stereo speakers.
  • Operator ID system-records KOMTRAX machine operation and application data for up to 100 individual ID codes.
  • Auto Idle and Auto Idle Shutdown – help reduce fuel consumption by limiting extended idle time.
  • Komtrax Plus Version 2 enables expanded fleet monitoring via satellite and wireless LAN. Users can analyse “machine health” and performance from a remote location, on a near-real time basis.
  • Tie off anchor points are integrated into the booms and arms for use with service technician restraint harnesses.
  • New, optional, hydraulically-powered ladder provides easier access to machine cab and left side walkway. This option will also be available as a field installation kit.

Standard Features Include:

  • A high-back and heated air suspension seat, with new adjustable armrests that easily adjusts to different heights without tools.
  • Two 12-volt power ports provide convenient power for recharging and powering personal electronics.
  • Electric grease pump equipped with a greasing gun on a hose reel to reach all grease points for easier lubrication of work equipment.
  • Sliding front window and large skylight with sun shade.

Designed for Easy Maintenance:

  • High resolution, 7” LCD colour monitor panel displays information and incorporates new Tier 4 Final technology that helps improve, simplify and manage maintenance.
  • Engine air/oil/fuel/KCCV filters are grouped together in the front of the hood for easy maintenance access.
  • Electric fuel priming pump.
  • Reversible hydraulic fan to clean out debris from the coolers.
  • New battery master disconnect switch with lock out/tag out provision.
  • New hinged A/C and fuel cooler swing open for improved access to hydraulic oil cooler core.
  • Rear facing maintenance walkway light illuminates rear of machine for maintenance at night.
  • New hydraulic filter sensors monitor restriction and trigger warning indicator in the monitor. Hydraulic filter restriction data is also monitored by Komtrax.

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