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Komatsu America Corp.

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Komatsu America Corp.

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Komatsu America Corp. is a subsidiary of Japan's Komatsu Ltd. (the world's second largest construction equipment manufacturer) with responsibility for the manufacture and sales of Komatsu construction and mining equipment throughout the Western Hemisphere. The corporation's primary business includes the manufacture and sale of construction and mining equipment, utilities, forest machines and industrial machinery. As of March 31, 2011, the corporation reported that 24% of its global sales came from North and Latin America.

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D61i-23 Dozer

Product From Komatsu America Corp.

Komatsu's D61i-23 is the company's first intelligent Machine Control dozer for the North American market. The dozer features fully automatic blade control monitors blade load when rough dozing and adjusts the blade elevation to minimize track slip. The blade control adjusts accordingly to provide finish grade performance with precision. Komatsu says improvement in combination rough dozing efficiency is up to 13% higher compared to add-on machine control systems.

WA270-7 Wheel Loader

Product From Komatsu America Corp.

The Komatsu WA270-7 wheel loader replaces the WA250-6 and WA250PZ-6 wheel loaders and features a decrease in fuel consumption by up to 10% compared to the WA250-6.

  • 149-hp Komatsu SAA6D107E-2 Tier 4 Interim/EU Stage 3B certified engine

WA320-7 Wheel Loader

Product From Komatsu America Corp.

The WA320-7 wheel loader, which replaces the WA320-6 and WA320PZ-6, utilizes the Parallel Z-bar loader linkage for parallel lift and high tilt forces for handling large attachments. The WA320-7 also features a 10% lift force increase compared to the WA320PZ-6.

PC138USLC-10 Excavator

Product From Komatsu America Corp.

Komatsu's PC138USLC-10 tight tailswing hydraulic excavator has an operating weight range of 31,791 to 32,628 lbs.

  • 93.5-net-hp SAA4D95LE-6 Tier 4 Interim-certified engine
  • Closed-center, load-sensing hydraulic system with variable speed matching and low speed matching technology

D37-23 and D39-23 Crawler Dozers

Product From Komatsu America Corp.

Komatsu's Tier 4 Interim SAA4D95LE-6 engine provides the same power ratings for the 89-hp D37-23 and 105-hp D39-23 crawler dozers, while reducing fuel consumption up to 10 percent compared to the previous models. A new variable-flow turbocharger and exhaust gas recirculation (EGR) eliminate the need for a

WA470-7 Wheel Loader

Product From Komatsu America Corp.

The 52,007-lb. WA470-7 is powered by a 272-net-hp Komatsu SAA6D125E-6 engine certified to Tier 4 Interim emissions. The engine increases the 52,000-lb. loader's power while decreasing fuel consumption by approximately 8% compared to the WA470-6.

Komatsu D61-23 Crawler Dozer

Product From Komatsu America Corp.

Using its D51-22 as a design starting point, Komatsu refined the new D61-23 crawler dozer to meet EPA Tier 4 Interim emissions regulations. The SAA6D107E-2 engine generates the same 168 hp as its predecessor, the D61-15, but combining it with new hydrostatic transmission controls reduces fuel use up to 10% in P (power) mode and 20% in E (efficiency) mode. 

PC210LC-10 Excavator

Product From Komatsu America Corp.

Komatsu expects its PC210LC-10 excavator to deliver increased power while reducing fuel consumption. The 52,000-lb. excavator is powered by a 158-hp Komatsu SAA6D107E-2 engine certified to EPA Tier 4 Interim and EU Stage 3B emissions levels with exhaust-gas recirculation and a Komatsu Diesel Particulate Filter (KDPF) that does not interfere with daily operation. Komatsu's integrated design (the company designs and builds all of its own components, including engine, hydraulic pumps, motors and valves) is said to take hydraulic efficiency to the next level by utilizing both variable speed matching and low speed matching. Variable speed matching adjusts engine speed based on hydraulic pump output for both light and heavy-duty applications, while low speed matching utilizes larger pumps capable of greater output at lower engine speeds.

WA500-7 Wheel Loader

Product From Komatsu America Corp.

The WA500-7 offers enhanced operating performance, lower fuel consumption, improved operator comfort and easier serviceability.

  • Operating weight of 76,611 lbs. with 7.3-cu.-yd. general-purpose bucket
  • Maximum speed of 22.1 mph

WA380-7 Wheel Loader

Product From Komatsu America Corp.

Komatsu held horsepower of the 40,000-lb. WA380-7 wheel loader the same as the -6 model it replaced at 191, but claims the new Tier-4-Interim-certified diesel can decrease fuel consumption by 10%. The Komatsu Diesel Particulate Filter has an integrated design that will not interfere with daily operation but will keep the operator aware of its status.