Komatsu America’s new WA320-7 wheel loader—replacing the WA320-6 and WA320PZ-6 models—is powered by a SAA6D107E-2 165-hp (123 kW) engine that is EPA Tier 4 Interim and EU Stage IIIB emission certified.
Komatsu says the 33,731-lb (15,300-kg) loader features improved efficiency, lower fuel consumption, more operator comfort, and enhanced serviceability to maximize productivity while lowering operating costs. It uses the company’s Parallel Z-bar (PZ) loader linkage to provide the benefits of parallel lifting for pallet moving and high tilt forces to handle large attachments. The PZ linkage also offers large break-out forces to make bucket filling easy and quick. Its lift force is increased by up to 10% compared with the WA320PZ-6 for improved digging performance. Automatic SmartLoader Logic helps save fuel by automatically decreasing engine torque when the loader isn’t working hard, such as when it is driving with an empty bucket. An electronically controlled HST drivetrain features the Komatsu Traction Control System, which enhances operation on soft or slippery ground. The machine is equipped with the exclusive Komatsu EMMS (Equipment Management Monitoring System), which provides enhanced diagnostic features that give the operator and technicians greater monitoring and troubleshooting capabilities. EMMS also continuously monitors all critical systems, as well as the planned maintenance schedule, and provides troubleshooting assistance to minimize diagnosis and repair time.
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