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O&K - GRADERS


O&K F 206

TECHNICAL DATA AND PHOTOS

Class: Three Axle Motor Grader

Type: O&K F 206

Manufacturer: O&K, Germany


CAB

Rear-frame mounted cab.
Elastically mounted, noise-insulated ROPS/FOPS cab with two sliding doors locking into place.
Either-side access, two rear sliding tinted side windows.
Heater/defroster nozzles.
Ventilation options: recirculation/outside air, filter unit.


ENGINE

Model: Deutz BF 6 L 913 C
Type: Air cooled, four-stroke diesel engine with turbocharger.
Combustion System: direct injection
Number of cylinders: 6
Displacement: 6128 cm3
Bore: 102 mm
Stroke: 125 mm
Power, ISO 9249: 134 kW (182 hp) at 2300 rpm
Torque: 696 Nm at 1600 rpm
Emissions: COM 1 and TIER 1


FLUID CAPACITIES

Engine oil: 19 L
Transmission/torque converter: 22 L
Axle drive: 16 L
Wheel hub gears 5,5 L: 24 L
Tandem, articulating mount 2 x 261 + 2 x 81: 70 L
Hydraulic tank: 80 L
Hydraulic oil, total: 170 L
Fuel tank: 228 L


ELECTRICAL SYSTEM

Voltage: 24 V
Batteries: 2 x 12 V / 92 Ah
Alternator: 980 W, 35 A
Starter 4.8 kW


HYDRAULIC SYSTEM

Closed system with pressurized tank.
Pressure relief valve.
Load sensing with variable displacement pump.
Power savings by pump swash-back, zero oil delivery under no-function conditions.

Hydraulic pump: Swashplate, variable displacement.
Maximum pressure: 200 bar
Pressure relief setting: 215 bar
Maximum output: 163 L/min


TRANSMISSION

Full powershift transmission, 6 forward and 3 reverse speeds, shifting-on-the-go.
Electric single-lever shifting, with reverse lock in gears 3 to 6.

Forward:
Speeds - Crowding forces
1st: 5.0 km/h - 98 kN
2nd: 8.0 km/h - 90 kN
3rd: 13.0 km/h - 55 kN
4th: 20.0 km/h - 35 kN
5th: 28.0 km/h - 24 kN
6th: 38.0 km/h - 15 kN


Reverse:
Speeds - Crowding forces
1st: 5.0 km/h - 98 kN
2rd: 13.0 km/h - 55 kN
3th: 29.0 km/h - 24 kN


REAR AXLES, TANDEM DRIVE

O&K grader axle drive with automatic no-spin differential.
Oscillating tandem with power transfer through heavy-duty roller chains.
Planetary gear reduction at the wheel hubs.

Articulation: +/- 15°

Dimensions tandem box:
Width: 184 mm
Height: 512 mm
Wall thickness: 22 mm
Chain pitch: 38 mm
Tandem wheelbase: 1582 mm


BRAKES

Four encapsulated, oil-cooled disc brakes acting on the tandem wheels.

Parking brake: drum-type, acting on the transmission.


STEERING

Operated from the adjustable steering and control console.
Front wheel spindle steering, all-hydraulic, volume control.

Steering wheel lock, left/right: 45°

Articulation frame, hydraulically actuated with 2 double-flow steering cylinders
Articulation angle: +/- 28°

Minimum turning radius:
Across tyres: 7700 mm
Across front blade: 8600 mm


MOULDBOARD

Wear-resistant high-grade steel with hardened guides.
Replaceable, split main and side blades.

Length: 3970 mm
Height: 610 mm
Thickness 20 mm

Blade height: 150 mm
Blade thickness: 20 mm

Bolt diameter: 16 mm


MOULDBOARD MOUNT

Rugged welded sectional design in A shape.
L shape with 140 x 140 x 10 mm cross-section.


MOULDBOARD SETTINGS

Shifting to the right: 755 mm
Shifting to the left: 645 mm

Reach across tyres without artic. steering:
Right, horizontal: 2530 mm
Left, horizontal: 1950 mm

Reach across tyres with artic. steering:
Right, horizontal: 3300 mm
Left, horizontal: 2620 mm

Maximum slope angle:
Right: 100°
Left: 112°

Maximum lifting height above ground: 540 mm
Maximum scraping depth: 440 mm
Cutting angle adjustment, hydr.: 50°


MOULDBOARD CONTROL

Control levers for precision metering of adjustment speed.
Load-sensing for maximum function controllability.
Pressure compensation in each of the control valve units permits parallel mouldboard lifting or simultaneous operation of two other functions, with no disruptive interaction.
Unlockable check valves maintain lift/cutting angles and wheel lean cylinders constant.
A pedal allows the operator to switch to maximum output for faster functioning (high-speedmode).


SLEWING RING

Driven by oil motor and mouldboard mechanism.
Internal gearing, sealed, roller-mounted, backlash-free, selfadjusting.

Action radius 360°
Diameter 1455 mm


FRAME

Front frame: stiff, welded section from high-strength fine-grain steel.
Cross-section 300 x 300 mm
Wall thickness 20 mm

Rear frame stiff, unitized frame.
Cross-section 260 x 90 mm


DIMENSIONS
With standard tyres 20,5 – 25 EM

Length of base machine: 8680 mm
Length with front blade and rear ripper: 10 117 mm
Front axle to mid tandem: 6246 mm
Mid tandem to rear ripper: 2330 mm
Front axle to moldboard: 2681 mm
Height to top of cab: 3409 mm
Track: 2230 mm
Across tyres: 2750 mm


TYRES

Tyre size, standard: 20.5-25 EM, 12 PR, L–2

Tyre sizes, optional:
20.5 R25 EM, L–3
22/70–24 EM, L–2
22/70 R24 EM, L–3
17.5–25 EM, L–2
17.5 R25 EM, L–3
14.00 – 24 TG


LAYOUT

Number of axles: 3
Number of tyres: 6
Layout: 6x4


WEIGHTS
weights includes all lubricants, full tank, standard tyres, and operator.

Total weight: 15 400 kg
Front axle: 4 600 kg
Rear axle: 10 800 kg

Additions:
Front blade: + 960 kg
Ballast, front: + 760 kg
Mouldboard ripper (6 teeth): + 100 kg
Rear ripper (3 teeth): 910 kg
Rear ripper (5 teeth): + 960 kg
Ballast, rear: + 900 kg
Gross vehicle weight rating: 18 700 kg


O&K F 206 three axle motor grader
O&K F 206 three axle motor grader.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1117 x 673 pixels, 776 kB
Author of the photo: © Oto Zapletal


O&K F 206 grader working in the mud. Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
O&K F 206 grader working in the mud.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1636 x 1044 pixels, 1.66 MB
Author of the photo: © Oto Zapletal


O&K F 206 grader
O&K F 206 grader.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1159 x 751 pixels, 898 kB
Author of the photo: © Oto Zapletal


O&K F 206 grader working on a construction site. Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
O&K F 206 grader working on a construction site.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1632 x 1044 pixels, 1.63 MB
Author of the photo: © Oto Zapletal


O&K F206 grader
O&K F 206 grader.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1205 x 690 pixels, 873 kB
Author of the photo: © Oto Zapletal


O&K F 206 grader of HYDROSTAV
O&K F 206 grader of HYDROSTAV.
Construction of the D1 Motorway, section Hybe - Važec, Slovakia.
Taken on: 6 December 1997
Size of the photo: 1632 x 1044 pixels, 1.71 MB
Author of the photo: © Oto Zapletal




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