Improvements over J-Series include Tier 4-Interim engines, plus serviceability and control enhancements
John Deere Power Systems’ diesels power John Deere’s eight K-Series backhoe loaders, ranging from the 88-horsepower 310K to the 130-horsepower 710K.
The full series includes the 310K EP, 310K, 310SK, 310SK TC, 315SK, 410K, 410K TC, and 710K backhoes, as well as two tractor loader models, the 210K EP and 210K.
The T4-I certified PowerTech engines are paired with five-speed transmissions with top speeds of 25 mph. An optional AutoShift transmission reduces the number of times the Transmission Control Lever needs to be actuated during operation. A single loader lever with integrated electro-hydraulic auxiliary loader control eliminates the need for a second lever when using a multipurpose bucket.
An electronically controlled, variable-speed cooling fan, controlled by an electronic clutch, reduces horsepower draw on the engine for quieter operation and improved fuel economy, according to Deere.
Deere has also made enhancements to its Total Machine Control (TMC) backhoes.
Updates include a joystick redesign that the company says gives operators even easier operation with equal lever efforts in all directions, for smooth and productive operation as well as improved swing control that allows for more precise trench work with less backhoe wag.
A stalwart version of the 310 and 410 models in the previous J-Series, TMC is the way the Deere has chosen to implement electro-hydraulics on its construction equipment. It provides for more intuitive controls and enables automation of functions that operators previously had to do manually. Armrest-mounted joystick controls turn with the seat and eliminate pilot towers, resulting in enhanced visibility and reduced heat in the cab, due to the absence of hydraulic oil used in other control systems.
The TMC system also eliminates extra foot pedals or levers to control the stabilizers, extendable dipperstick and front/rear auxiliary hydraulics—all are controlled within fingertip reach of the joystick. Operators can use the mini-joystick on the right-hand controller to move the backhoe and loader simultaneously, and maneuver the machine around obstacles.
K-Series’ serviceability improvements include better engine access and a cooling package design that allows each of the coolers to be separated for easy cleaning. To protect the machine on the job site, backhoe loaders with a Sealed Switch Module (SSM) come standard with machine security. To prevent potential damage from the rear differential lock being engaged at too high of speeds, Differential Lock Protection can be enabled through the monitor.
Auto idle, auto shutdown and keyless start come standard on all machines equipped with SSM.
The new K-Series also features a multi-plate clutch engagement that allows for on-the-fly Mechanical Front Wheel Drive engagement, a deluxe lighting package that includes 10 adjustable work lights, a multi-language digital monitor for on-board diagnostics, calibrations and machine information, and same-side ground-level daily service for maintenance checks.
Deere’s K backhoes come standard with a three-year subscription to the manufacturer’s JDLink telematics system, which continuously collects and transmits machine data for machine management. The system enables preventive maintenance and remote diagnostics, as well as the coordination of machines working on multiple job sites.
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