Speed, power and efficiency join forces in this latest addition to Komatsu’s big dozer lineup
Rolling Meadows, Ill., April 7, 2015 - Komatsu
America Corp., a leading global heavy equipment
manufacturer, today introduced the new D85-18 dozer.
With a 264 HP, Komatsu SAA6D125E-7, variable geometry, turbo charged (KVGT) and after cooled, Tier 4 Final
certified engine, this new dozer leverages Komatsu’s nearly 20 years of experience and innovative leadership in
emissions technology to deliver a high-performance, more environmentally-friendly engine that burns up to 5%
less fuel and costs less to operate.
A standard EX track model and a low ground pressure PX track model are available to offer customers flotation
and weight distribution options that best match their needs.
“For anyone looking for a large construction or small mining size dozer, the D85-18 hits the sweet spot,” said
Chuck Murawski, Komatsu America product manager. “Whether you’re dozing, leveling or spreading, it has the
speed and power to get the job done and it saves you fuel in the bargain,” Murawski said.
The crawler dozers are equipped with the latest KOMTRAX® technology. Data such as fuel levels, DEF levels,
operating hours, location, cautions and maintenance alerts are relayed to the web application for analysis. A
new Operator Identification System reports key operating information for multiple operators and a new Auto Idle
Shutdown function helps reduce idle time as well as operating costs.
Special features of these new crawler dozers include:
Komatsu EPA Tier 4 Final Emission Certified Engine – Productive, Dependable, Efficient
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Komatsu has built upon its strengths using a proven Tier 4 Interim foundation to integrate Selective
Catalyst Reduction (SCR) that further reduces NOx emissions using Diesel Exhaust Fluid (DEF). The
Komatsu EPA Tier 4 Final engine uses an advanced electronic control system to manage the air-flow
rate, fuel injection, combustion parameters, and after treatment functions to optimize performance,
reduce emissions, and provide advanced diagnostic capability. The result is lower fuel consumption
with no loss of performance. Komatsu continues to use a Komatsu Variable Geometry Turbocharger
(KVGT) and Exhaust Gas Recirculation (EGR) valve with hydraulic actuator for more precise
temperature and air management control as well as longer component life.
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To ensure product reliability and durability in demanding conditions, Komatsu developed the entire
system, including the control software, which is critical to the effective operation of the after-treatment
system. This control system is also integrated into the machine’s on-board diagnostics systems and
KOMTRAX®, Komatsu’s standard telematics system.
Innovative SIGMADOZER blade for unsurpassed productivity
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The D85EX-18 is equipped with a 9.4 yd³ SIGMADOZER® blade which gives the machine a
high blade capacity. The SIGMADOZER with standard power pitch dramatically improves dozing
performance and increases productivity by up to 15% over a conventional Semi-U blade. The blade
features a frontal design concept adopted for digging and rolling material at the center of the blade.
The unique blade shape increases soil-holding capacity. Digging resistance is reduced for a smoother
flow of material so larger amounts of soil can be dozed with less power.
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The protruding cutting edge of the SIGMADOZER resembles a spade nose shovel whereas the
straight cutting edge of a conventional Semi-U blade resembles a flat shovel. The SIGMADOZER
works similarly to a spade nose shovel because it is easier to push through the soil and requires less
energy.
Automatic shift transmission significantly improves fuel economy
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The D85-18 has a new automatic transmission that reduces fuel consumption by up to 5% and offers
greater power train efficiency. Two gearshift modes – automatic or manual – can be easily selected
to fit the appropriate application: automatic for all general dozing and manual for dozing and ripping
rough ground.
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E- and P-Modes help match machine performance to the application. E-Mode is chosen for all general
dozing, leveling and spreading applications providing adequate speed and power while saving up to
10% fuel usage. P-Mode is chosen for heavier applications where engine power has priority over fuel
consumption.
Ease of operation
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Komatsu’s Palm Command Control System (PCCS) gives operators maximum control, offering a
relaxed posture and superb fine control to minimize operator fatigue.
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Powerful turns under various work conditions are achieved with the Hydrostatic Steering System
(HSS) to transmit power to both tracks without interruption. Counter-rotation is available in neutral for
minimum turning radius, providing excellent maneuverability.
Integrated cab design creates optimal operator environment
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The new crawler dozer’s more comfortable working environment allows the operator to concentrate on
the work at hand for increased productivity. A high capacity air suspension seat with heat is standard.
The large cab is integrated with the ROPS (Roll-Over Protection Structure) for excellent side visibility.
The dozer’s cab mounts reduce shocks and vibration, even in adverse conditions, creating an interior
cab noise level that’s noticeably quieter.
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A new high-resolution large color 7” LCD monitor with pull-down menus enables quick machine
adjustments and at-a-glance service diagnostics. A new rear view monitoring system is standard and
can be set to synchronize with reverse operation. Also, rear hydraulics are standard on both the EX ad
PX versions.
Convenient maintenance and reduced operation costs.
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Komatsu has designed the D85-18 with easy, routine maintenance in mind. Daily engine checks are
grouped at the left hand side of the engine compartment. A manually-reversing hydraulically-driven
cooling fan allows for quick cleaning of the radiator.
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All Komatsu Tier 4 Final construction machines come with KomatsuCARE® complimentary scheduled
maintenance for 3 years / 2000 hours whichever occurs first. KomatsuCARE work is performed by
a skilled Komatsu certified technician and includes a 50-point inspection at each service and two
complimentary KDPF exchanges and DEF tank flushes within the first five years. Additional SCR
related items are included as an additional benefit to customers.
*SIGMADOZER®, Komatsu®, Komtrax®, and KomatsuCare® are registered trademarks of Komatsu Ltd., Japan. All other trademarks
and service marks used herein are the property of Komatsu Ltd., Komatsu America Corp. or their respective owners or Licensees.
Komatsu America Corp. is a U.S. subsidiary of Komatsu Ltd., the world’s second largest manufacturer and
supplier of construction, mining and compact construction equipment. Komatsu America also serves forklift and
forestry markets. Through its distributor network, Komatsu offers a state-of-the-art parts and service program to
support the equipment. Komatsu has proudly been providing high-quality reliable products for nearly a century. Visit the website at www.komatsuamerica.com for more information.
