John Deere emphasizes drivetrain electrification for mining, construction

  • 15-Nov-2016 12:28 EST
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John Deere's integrated electric powertrain solution for off-highway applications.

John Deere has invested in the integration of its engines, drivetrain components and power electronics into complete electric powertrain solutions for mobile off-highway machines that the company believes will be of benefit to mining equipment manufacturers.

John Deere Power Systems and John Deere Electronic Solutions featured several electric drivetrain products at MINExpo International in Las Vegas, designed for the rugged demands of mining and construction applications.

One of these highlights was the John Deere Electronic Solutions (JDES) family of inverters, which is based on a modular concept and includes power stage, bus capacitor and optional brake chopper with a common control module.

Also featured was the PD400 dual inverter, with configurations rated from 150 to 300 kVA. The dual inverter is an all-in-one solution from JDES that eliminates the need for multiple interfaces, allowing system designers the ability to improve machine performance in extreme conditions.

In addition, the John Deere electric generator drive is specifically designed to provide the electric power necessary for heavy-duty off-highway traction drive applications. With a power range of 155 kW (210 hp) for the size 3 model and 400 kW (536 hp) for the size 5 model, the electric generator drive is said to increase productivity, improve uptime and lower daily operating costs.

Designed to efficiently convert electric power to tractive effort, John Deere's three-speed transmission was showcased with its power rating of 145 kW (195 hp) and provides torque and speed ranges like conventional off-highway transmissions. According to Deere, the transmission also provides exceptional vehicle controllability and full hydraulic power under any operating condition resulting in a higher vehicle/operator productivity combination.

Additionally, John Deere Power Systems displayed the CanmetMINING-certified PowerTech E 4.5-L Tier 3 engine with a power range of 63 to 104 kW (85 to 140 hp). The 4.5-L engine has full-authority electronic controls, 2-valve cylinder heads, a high-pressure common-rail fuel system with electronic fuel injection, and a fixed-geometry turbocharger in turbocharged or air-to-air aftercooled aspiration systems.

"John Deere is dedicated to providing power solutions for the mining industry," said Darrin Treptow, manager, worldwide marketing for JDPS. "The Tier 3 4.5-L engine is well suited for the extreme working conditions of underground mining applications."

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