Besides machine reliability and performance, Nick Moth has the expectation for significant fuel savings with these latest products. The EC220Ds for instance, benefit from the use of Volvo’s Stage IIIB D6 engine, delivering 175hp (129kW) of power and 849Nm of torque, coupled to an improved hydraulic system with larger pumps, which in turn significantly improves hourly fuel consumption with shorter cycle times. The larger EC250E excavators are equipped with Stage IV final Volvo eight litre engines developing 215hp. Operators can select the best work mode for the task at hand, ensuring optimum performance and fuel efficiency. Modes include:
I-idle, F-fine, G-general, H-heavy or P-power, with the machine automatically setting the appropriate engine speed for the work mode and ECO mode is a new feature that works in G to H (or P) mode. Pump flow is controlled for combined digging and swinging operations to reduce the flow loss through the overload relief valves, while maintaining digging power and maximum swing torque. Eco mode provides better fuel efficiency without loss of performance in most operating conditions.
Similarly the new Volvo L150H wheeled loader is exceptionally productive and fuel efficient. It features a Volvo Stage IV 13 litre engine which is subsequently enhanced by the perfectly-matched Volvo power- train and intelligent hydraulics, which supply power only on demand. The load-sensing hydraulics ensure a fast response for outstanding control over the load, as well as shorter cycle times.
To further reduce fuel consumption and cycle times, the Automatic Power Shift (APS) and Fully Auto- matic Power Shift (FAPS) functions automatically adjust the machine gears in line with engine speed and travel speed. Another intelligent feature, the Reverse-By-Braking (RBB) function, automatically reduces the engine rpm and applies the service brakes when the operator changes the direction of the machine. This not only conserves fuel but also reduces stress on the drivetrain, thereby extending component life. Meanwhile, Volvo’s Optishift technology combines the RBB function with a lock-up torque converter to create a direct drive between the engine and the transmission, eliminating power losses in the torque convertor and reducing fuel consumption by up to 18%. The Eco pedal further reduces fuel consumption thanks to a mechanical push-back force, which encourages the operator to ease off the throttle when the engine rpm is about to exceed the optimum operating range.
The Raymond Brown Group has been operating as a successful independent company in the aggregates, waste recycling and construction sectors for over sixty years. The company operates other Volvo equipment in a fleet of over 40 excavators and 300 items of plant in total. The new package of machines join a Volvo L60F and L90F purchased four years ago for the Group’s recycling facilities at Nursling and Romsey.
THE VOICE PAGE 43
ASSOCIATED WITH
VOLVO EQUIPMENT
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