Deere's New Crawler Dozers
The new John Deere 550K, 650K and 700K Crawler Dozers meet Final Tier 4 emissions standards and incorporate features such as Eco mode and an updated electro-hydraulic (EH) control system. The K-Series dozers are a Final Tier 4 product that affords higher productivity, increased uptime and lower daily operating costs in earth moving and grading applications.
The 550K and 650K incorporate a PowerTech 4.5L Final Tier 4 diesel engine with 92 hp and 104 hp respectively. The 700K has a PowerTech 6.8L Final Tier 4 diesel engine with 130 hp, a five horsepower increase over its IT4 predecessor.
All three models incorporate John Deere’s new Eco Mode feature that optimizes fuel economy while maintaining ground speed by automatically adjusting engine speed and transmission settings based on load. This new feature has the potential to save customers upwards of 20 percent in fuel with no loss in productivity in many applications. A new push button throttle controls engine RPM, as opposed to a rotary dial. Speed increase and decrease buttons will cause engine RPM to either go to wide open throttle or to low idle. Pushing and holding the button will allow the operator to find the desired speed range.
Operators don’t have to worry about diesel particulate filter (DPF) cleaning. It occurs automatically with no impact to machine operation. Extensive testing allowed John Deere’s DPF to go up to 15,000 hours before ash removal. Additionally, all models feature excellent total fluid economy (diesel fuel and DEF).
The new crawler models use hydrostatic transmissions, have an updated electronic control system for improved response and controllability,with motors upgraded from a two-speed design to variable displacement design to optimize pushing power and drawbar pull.
A larger hydraulic pump is now available as standard equipment with the 550K and 650K for both mechanical controls and the updated electro-hydraulic system. The EH system on the 550K, 650K as well as the 700K is more responsive to operator inputs and the machine will significantly grade better when equipped with a grade control system.
The new blade shake feature with EH controls helps make every operator more productive. At the push of a button, blade shake causes the blade to shake in a quick, repeated motion that helps shed material from the blade. This is particularly useful in sticky soil conditions where the operator would otherwise have to repeatedly manually shake the blade to clean it.
Click here for more information.
PRO CONTRACTOR RENTALS MAGAZINE
Pro Contractor Rentals provides information of value to rental centers who focus time, resources and attention on meeting the demands of construction contractors and other equipment rental customers.
