Contractors World

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Contractors World UK & Ireland
2012 Vol 2 No 2
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The HM300-3 features the new Komatsu Traction Control System (K-TCS). Another ADT gets an upgrade

One of the smallest articulated dump truck in the Komatsu line up, the HM300-2 is now being replaced by the HM300-3 and all the benefits the latest models bring as a result of redesigning around the latest engine technology.
The HM300-3 articulated truck, with a flywheel horsepower of 325 hp (242 kW), is powered by a Komatsu SAA6D125E-6 engine that is EU Stage IIIB and EPA Tier 4 Interim emission certified.

As with all latest engines, they are capable of delivering more power with lower fuel consumption. The latest truck has a gross vehicle weight 52,230 kg with a payload of 28.1 tonnes at its maximum ground speed of 58.6 km/h. A completely redesigned traction control system combined with an optimized cabin layout and increased durability makes for a comfortable, productive and low cost production unit.

The HM300-3 features the new Komatsu Traction Control System (K-TCS). Greatly improved traction system

The HM300-3 features the new Komatsu Traction Control System (K-TCS). The system automatically provides optimum traction when operating in soft ground conditions. As ground conditions worsen and tyre slippage is detected by speed sensors located on four wheels, automatic application of the inter-axle differential lock occurs.

It also features K-ATOMiCS—Komatsu Advanced Transmission with Optimum Modulation Control System. This offers a six-speed, fully-automatic transmission that uses an advanced electronic system to eliminate shift shock and torque cutoff to improve operator 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.

Increased payloads

The body has been designed across the new -3 series to enable greater heaped and payload capacity. The HM-300-3 has low 2820 mm loading height easily matches with 30 ton to 60 ton hydraulic excavators or 3.82 m³ (5 yd³) to 5.73 m³ (7.5 yd³) wheel loaders. In addition, the two single-staged body lift cylinders provide a 70° dump angle for easy unloading.

The HM300-3 has a gross vehicle weight 52,230 kg with a payload of 28.1 tonnes at its maximum ground speed of 58.6 km/h.

The new cab design provides a comfortable and quiet work environment so operators can maximize their productivity. Operator sitting safe and comfortable

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 2 - 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.

With the new high resolution 7” LCD monitor, the operator can easily modify settings for items such as the Auto Idle Shutdown or 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.

Click here for more information
>>> Komatsu PC360LC/NLC-10 Excavator
>>> Komatsu HM-300-3 ADT


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Page updated: February 2012



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