Komatsu has launched the HM460-6 articulated haul truck, a next-generation machine engineered for quarry, development, large-scale web site improvement, mining and infrastructure operations the place variable terrain, tender floor and haul highway situations restrict productiveness.
The HM460-6 replaces the HM400-5 and provides a rated payload capability of 46.3 tons, up from the earlier mannequin’s 44.2-ton capability. Komatsu says the elevated payload, mixed with improved gas effectivity, is designed to ship a decrease price per ton whereas sustaining steady, predictable operation all through the haul cycle.
On the core of the machine is the brand new proprietary Komatsu DBA127 engine, outfitted with a two-stage turbocharger system. The engine delivers 518 gross horsepower at 1,700rpm, offering elevated torque at decrease engine speeds to help acceleration, hill-climb functionality and energy supply below load. The design eliminates the complexity of an exhaust gasoline recirculation (EGR) system, makes use of much less gas and extends service intervals. The engine meets US EPA Tier 4 Last and EU Stage V emissions requirements. Paired with a brand new nine-speed Komatsu transmission and clever gear management, the powertrain is designed to steadiness efficiency and gas effectivity throughout a variety of situations.
Traction efficiency is a central focus of the HM460-6’s design. The Komatsu Traction Management System repeatedly screens wheel velocity and slip, mechanically making use of brake power to particular person wheels when traction loss is detected. This works along side an inter-axle differential lock and a manually activated cross-axle differential lock, offering a number of layers of traction help based mostly on floor situations. A hydro-pneumatic suspension system is engineered to steadiness experience consolation and stability throughout difficult terrain.
The redesigned cab encompasses a four-pillar design that will increase glass space by 16% and reduces blind spots by 43% in comparison with the HM400-5. Management layouts had been revised to group high-use features inside straightforward attain, and a high-resolution 8-inch machine monitor paired with a 10-inch sub-monitor gives entry to payload information, machine info and rearview digital camera feeds.
Customary operator-assist options embody cruise management, automated retard velocity management for constant downhill speeds, and hill begin help to forestall rollback on steep grades. A rollover prevention system screens car velocity and rear body angle, offering alerts and limiting machine features when thresholds are approached.
Upkeep entry has additionally been addressed, with a powered tilting engine hood, ground-level service factors and prolonged service intervals meant to cut back downtime and simplify routine inspections. The truck is supplied with telematics information monitoring expertise, enabling fleet managers to entry machine well being and working information to help proactive upkeep and utilisation planning.
“In engineering the HM460-6, the main target is on delivering assured efficiency in real-world situations the place traction, torque and management make the distinction — with additional payload,” says Bruce Boebel, director, merchandise and repair at Komatsu. “The brand new DBA127 engine and superior traction methods had been designed to assist operators keep productive on difficult and versatile terrain, whereas the redesigned cab and repair options mirror how intently we listened to buyer suggestions.”
Picture: Komatsu
