Komatsu Europe International Launches New HM400-3 Articulated Truck

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Vilvoorde February 2012Komatsu Europe International introduces the HM400-3 articulated truck. With a unique and completely redesigned traction control system, automatic retarder and Komatsu’s new engine emission technology, combined with an optimized cabin layout and increased durability, the HM400-3 is a comfortable, highly productive and low cost production unit.

 

The HM400-3 features a gross vehicle weight of 73,740 kg with a payload of 40 tonnes at its maximum ground speed of 55.9 km/h. With a flywheel horsepower of 473 hp (353 kW), the HM400-3 is powered by a Komatsu SAA6D140 engine that is EU Stage IIIB and EPA Tier 4 Interim emission certified. Built upon a proven EU Stage IIIA engine platform, Komatsu has leveraged its leadership in technology and innovation to design an environmentally friendly dump truck with more power and lower fuel consumption.

 

Special features:


• EU Stage IIIB  / EPA Tier 4 Interim Emission Certified Engine

Built upon proven Komatsu EU Stage IIIA technology, the SAA6D140 engine provides increased horsepower while lowering fuel consumption and emissions. As a leader in hydraulic technology, Komatsu has developed a hydraulically actuated Komatsu Variable Geometry Turbocharger (KVGT) and an Exhaust Gas Recirculation (EGR) valve, resulting in better precision and air management as well as longer component life. The Komatsu Diesel Particulate Filter (KDPF) has an integrated design that will not interfere with daily operation but keeps the operator aware of its status.

 

• Greatly improved traction system

The HM400-3 features the new Komatsu Traction Control System (K-TCS). The K-TCS automatically provides optimum traction on any type of ground. As ground conditions worsen and tire slippage is detected by speed sensors located on four wheels, automatic application of the inter-axle differential lock occurs. If tire slippage continues to be detected then four independent brakes automatically apply to slipping wheels to regain traction and reduce tyre wear.

 

The HM400-3 is enhanced with K-ATOMiCS—Komatsu Advanced Transmission with Optimum Modulation Control System. K-ATOMiCS offers a six-speed Forward and 2 speed Reverse, fully-automatic transmission that uses an advanced electronic system to eliminate shift shock and torque cut-off to improve operation and power train efficiency. It automatically selects the ideal gear based on vehicle speed, engine rpm and the shift position chosen, which results in a powerful acceleration, smooth down shifting and synchronized engine speed when climbing slopes. This ultimately minimizes operator fatigue, keeps the load in the body and increases productivity.

 

A large automatic retarder system allows the operator to select the optimum operating speed on downhill travel under full load, allowing a save operation under a wide scope of working conditions.

 

• Increased payloads

Through body design optimization, the HM400-3 features increased body capacity and payload. The low 3164 mm loading height easily matches with 30-tonnes to 60-tonnes hydraulic excavators or 3,8 m³ to 5.7 m³ wheel loaders. In addition, the two single-staged body lift cylinders provide a 70-degee dump angle for easy unloading.

 

Thanks to Komatsu’s standard hydro-pneumatic suspension system on the front and rear axles, an optional payload system is available to optimise productivity and reduce repair costs caused by possible overload. This payload system offers on-the-spot data on the monitor panel, and is also transferred through KOMTRAX™, Komatsu’s wireless monitoring system. A follow-up of the truck’s efficiency is quick and easy, with no loss of time.

 

• Enhanced operator environment

The new cab design provides a comfortable and quiet work environment so operators can maximize their productivity. The ROPS/FOPS Level 2 certified cab features a new rounded front dash panel with easy to reach switches. The new comfortable high back, heated air ride seat with a 3 point seat belt improves operator comfort and all-round visibility. An auxiliary input was added to connect an MP3 player or other devices along with two 12-volt ports that have been incorporated into the cab.

 

A new high resolution 7” LCD monitor features enhanced capabilities and displays information in 25 languages for global support. With the monitor, the operator can easily modify settings for items such as the auto-reversing fan; check operational records, such as driving history or fuel consumption; monitor the KDPF or check the time remaining before the next required maintenance. The monitor also offers the option of using the ECO Guidance function, which provides operational tips to reduce fuel consumption. A separate high resolution back-up colour camera is standard with every machine and is mounted on the right hand side of the console for operator convenience.

 

• Convenient Maintenance and Serviceability

The HM400-3 provides easy service access to reduce costly downtime. It has a redesigned engine hood with an optimized narrow shape for better visibility, and to allow easy access to all major maintenance points.

The new dump truck has as standard hydraulically driven auto-reversing fan to help keep the radiator and charge air cooler clean –and to further lower fuel consumption.

The machine is equipped with the exclusive Komatsu EMMS (Equipment Management Monitoring System), which has enhanced diagnostic features that give the operator and technicians greater monitoring and troubleshooting capabilities. EMMS also continuously monitors all critical systems, preventative maintenance, and provides troubleshooting assistance to minimize diagnosis and repair time.

 

KOMTRAX™: an easy follow-up system

The new HM400-3 is equipped with the latest KOMTRAX™ technology which provides daily machine information through a secure website utilizing wireless technology. New features include energy saving reports with tips for a more fuel efficient operation, location, cautions, load ratio, and maintenance alerts and a follow-up of the KDPF status. All data is relayed to the web application for analysis. The KOMTRAX™ fleet monitoring system increases machine availability, reduces the risk of machine theft, allows for remote diagnosis by the distributor, and provides a wealth of other information to drive business efficiency and productivity.

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