RED Technology

RED Technology from Exmark

Exmark RED Technology
2016 Exmark Logo Cmyk

Exmark had rising fuel prices in mind when it developed the 2013 Lazer Z X-Series with Kohler EFI power and Exmark’s exclusive RED technology. The new technology significantly reduces fuel consumption while delivering improved engine response and performance in demanding mowing conditions, Exmark says.

At the heart of the engine’s responsiveness is an electronic governor, which offers a significant reduction in governor droop, and helps maintain more consistent blade tip speed in varying conditions. The end result is a superior finished cut quality, according to John Swanson, Exmark product manager.

“When compared head to head, a spring-operated mechanical governor is much slower to respond to loading than an electronic governor. By using an electronic governor in tandem with our RED on-board intelligence on EFI-equipped models, we’re able to deliver the fuel efficiency landscape professionals desire without compromising power or performance in the field.

“Our testing reveals a substantial increase in engine responsiveness, especially in heavy, wet cutting conditions on RED-equipped mowers," Swanson continues. "Customers will of course enjoy the added fuel efficiency as well, and with user-selectable performance modes, they can choose the right mix of performance and efficiency for any conditions.”

3 performance modes. The RED system includes defined performance modes that allow the operator to choose an appropriate level of performance for the task at-hand. This allows contractors to achieve maximum efficiency when conditions allow, such as in transport, or to maximize power when the conditions require. Performance modes are defined by user selection of a three-position rocker switch, combined with the position of the PTO switch.

Selecting Max mode gives the operator maximum power and performance, ideal for demanding cutting conditions. Efficient mode delivers increased fuel efficiency with excellent overall performance. This mode also delivers reduced emissions, noise and overall machine wear. Low mode is for wet conditions and is designed to reduce deck packing.

Enhanced safety and durability. The RED system includes a clutch saver feature, which extends clutch life by engaging at 2,750 RPM and disengaging at 2,500 RPM, regardless of throttle position. It also facilitates improved operator efficiency by allowing on-the-fly PTO engagement and disengagement. The system also monitors vital system components such as the engine temperature, oil pressure and clutch status, and places the machine in “safe transport” mode (clutch disengaged, 2,500 RPM) when critical thresholds are exceeded. This prevents permanent damage to the machine and allows safe return for service.

 

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