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Komatsu intros GD655-7 motor grader with improved cab, controls

Komatsu Motor Grader

Komatsu has introduced a new motor grader with improvements that are centered around improving operator comfort.

The new cab of this machine is “hexangular,” Komatsu says, with a rear side pillar layout and blade linkage positioning that together provide an “unobstructed view of the moldboard and front tires.”

The cab also features a smaller, “right-sized” steering wheel that provides a bit more visibility and room in the cab.

Komatsu GD655-7 Motor Grader Cabin

Komatsu has placed a new steering lever in this machine that allows operators to forego the steering wheel and keep their hands on the low-effort, work equipment levers while making small steering adjustments.

Komatsu Motor Grader Controls

The cab also features multi-position, adjustable arm rests; a new high-capacity, air-suspension seat and an operator presence monitoring system which alerts the operator when they leave the seat with the controls not locked out properly.

Komatsu Motor Grader Control Seat

 

The new GD655-7 is powered by a Tier 4 Final Komatsu SAA6D107E-3 engine, providing 218 horsepower. The machine also features a two-mode, three-stage variable horsepower control (VHPC), which allows the operator to select between economy and power modes in order to save fuel when needed.

Komatsu GD655-7 Motor Grader Power Mode Selection Toggle Controls

The VHPC power mode selection toggle on the GD655-7.

The GD655-7 also features a new transmission shift lever with a forward-neutral-reverse (FNR) switch. The dual-mode transmission (eight forward, four reverse) is designed specifically for graders and provides on-the-go, full-power shifting as well as inching capacity and automatic shifting in the higher ranges, Komatsu says.

The machine also features an inching pedal and a full locking differential.

Profile of the Komatsu GD655-7 Motor Grader

Below is a quick rundown of the rest of this machine’s features. You can read the full brochure on the GD655-7 by clicking here.

Other standard features:

  • Grade control, TOPCON 3DMC plug-and-play ready, with no aftermarket valve required
  • Two, five-section hydraulic control valves are standard enabling the addition of attachments and is strategically located to improve forward visibility
  • Closed-center Load Sensing (CLSS) hydraulic system, with variable displacement pump, supplies flow and pressure only when required, resulting in less heat and lower fuel consumption
  • Blade lift accumulators absorb shocks when the moldboard hits immovable objects
  • Circle slip clutch, for accidental contact with hidden objects with the moldboard
  • Greaseless circle wear plates for long life
  • Independent blade lift float
  • AM/FM radio with auxiliary input jack and two 12-volt ports
  • Seven-inch, full color, high resolution monitor with Ecology Guidance
  • Separate, full color, rearview monitoring system
  • Pioneering KOMTRAX telematics system and monitor, providing machine metrics, including KDPF status and DEF-level data, fuel consumption, plus performance information collected and sorted by operator ID
  • Komatsu Auto Idle Shutdown to reduce idle time and save fuel
  • Reversible, variable speed hydraulic fan
  • Completely sealed and adjustment-free hydraulically actuated, wet, disc brakes
  • Ground level access to fuel and DEF
  • Easily accessible engine and hydraulic oil, and coolant drains
  • Komatsu CARE: 2,000 hours or three years of scheduled factory maintenance, including a 50-point inspection at each service and two complimentary DPF exchanges in the first five years.

 



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