Komatsu has introduced two new Dash 11 wheel loaders packed with state-of-the-art technology.
The new WA475-11 and WA485-11 are designed to boost performance, efficiency, and operator comfort.
At the heart of new Dash 11 generation wheel loaders is a new Komatsu diesel engine that delivers high torque in the low-speed range. The engine is combined with a Komatsu-designed hydro-mechanical-transmission (HMT), to increase performance, power reserves, fuel efficiency and ease of operation for all transport and loading tasks.
The WA475-11 demonstrates a 14 per cent improvement in fuel efficiency over its Dash 10 predecessor, while the WA485-11 achieves a 29 per cent increase in fuel efficiency compared to its predecessor WA480-8.
Thanks to a constant variable gear ratio, the engine stays in an efficient fuel zone. As well, variable speed control makes it possible to individually adapt the machine’s maximum speed to the requirements of the job site. The adjustable variable traction control effectively limits wheel spin in difficult ground conditions.
Payload upgrade
Compared to its predecessor, the WA485-11 has experienced a significant upgrade in payload and bucket capacity. All machine components have been adapted to a permanent payload of 8,800 kg and can even be increased to 9,300 kg in an aggregate handling configuration to reduce the number of loading cycles required depending on the vehicle size.
Another new feature is the variable power control, which enables the lifting speed to be controlled independently of the accelerator pedal, ensuring the operator finds the right balance between traction and lifting power.
The optimized Z-bar linkage offers up to 20 per cent more lifting power and a higher production rate of tons per hour. The loaders deliver impressive lifting speed and machine stability help to increase productivity, especially in tight V-shaped loading applications. In addition, the hydraulic response time and the tipping or lifting speed can be adjusted to specific application requirements.
Reduced emissions
Komatsu’s proven exhaust system includes a diesel particulate filter (KDPF) and, together with the Selective Catalyst Reduction (SCR) system, further reduces NOx emissions using AdBlue. These technologies, in conjunction with the particularly low-emission combustion, allows the diesel particulate filter to be replaced only every 8,000 hours; this interval can be extended even further by using low-ash engine oils.
Komatsu tech
The automatic bucket filling and other assistance functions help the operator maintain productivity.
A fully digital, high-resolution driver information system provides important machine measurements, including KDPF status and data on AdBlue levels and fuel consumption.
Messages from the eco control system are displayed in real time during operation and on the exit screen when the ignition is turned off. The eco control menu allows the operator to check operating logs and fuel consumption. These records are useful for reducing overall fuel consumption and can be saved and sorted by the operator.
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Another key innovation is the new Angle-Feedback-Joystick-Steering (AFJS), which gives the driver feedback on the steering angle already achieved at any time via the position of the steering lever and is intuitive to use. Another benefit of this system is the elimination of the steering column, which helps to improve visibility of the work platform and space.
The programmable engine management system automatically switches the engine off when idling or lets the engine run to cool down after leaving the cab and then switches off automatically later.
Ergonomic cab
The new, operator-friendly and spacious cab offers generous all-round glazing and has an interior noise level of 70 dBA. The heated rear window is angled, which effectively prevents dirt from sticking on the rear screen. The lever console has a new command control switch and is adjustable on a five-way axis for each operator. The increased internal air pressure prevents dust and other particles from entering the cab. For easy and safe entry and exit, both machines are equipped with a rear-hinged door, angled steps and large handrails.
As well, Komatsu has equipped the cab with a new air-suspended seat that dampens vibrations, and ensures a more comfortable driving experience.
The seat-mounted electronic pilot control levers with a new ergonomic design improve operating comfort and reduce operator fatigue.
Minimal maintenance
For maintenance, the radiator fan swings out and an automatic reversing function is standard. An electrically tilting hood provides full access to the engine compartment, while additional side doors allow quick and convenient access for daily checks and maintenance. Maintenance costs are significantly reduced, resulting in lower life cycle costs. Full rear fenders are standard, and an indicator on the AdBlue filler cap minimizes overfilling.
KOMTRAX telematics and the Komatsu Care customer maintenance program provide fleet management and support, protecting the machine from misuse and ensuring maximum efficiency and uptime.
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