120K

120K

The K Series Motor Grader is the machine you can count on when you need to get work done. Cat motor graders help you make the most of your investment by delivering maximum productivity and durability. The Cat C7 engine, direct-drive power shift transmission and load sensing hydraulics work together to ensure the power and precision you need to work in demanding conditions. And Cat motor graders are backed by the world-class Cat dealer network to keep you up and running.

Description

Base Power (1st Gear) – Net 93 kW
Gross Vehicle Weight – Typically Equipped 13843 kg
Blade Width 3.7 m
Engine Model Cat® C7 ACERT™
Gross Vehicle Weight – Base – Total 12133 kg
Operating Weight – Typically Equipped 30519 kg
VHP – Gears 1-2, Net 93 kW
VHP – Gear 3, Net 101 kW
VHP – Gears 4-8, Net 108 kW
VHP – Gears 1-2, Gross 103 kW
VHP – Gear 3, Gross 110 kW
VHP – Gears 4-8, Gross 118 kW
Displacement 7.2 l
Bore 105 mm
Stroke 127 mm
Speed at Rated Power 2000 r/min
Number of Cylinders 6
Derating Altitude 3048 m
High – Ambient Capability 50 °C
Forward/Reverse Gears 8 forward/6 reverse
Transmission Direct drive, Powershift
Brakes – Service Air actuated, multiple oil-disc
Brakes – Service – Surface Area 18606 cm²
Brakes – Parking Air actuated, multiple oil-disc
Brakes – Secondary Dual Circuit
Top Speed – Forward 47.5 km/h
Top Speed – Reverse 37.5 km/h
Turning Radius – Outside Front Tires 7.3 m
Steering Range – Left/Right 47.5 °
Articulation Angle – Left/Right 20 °
Forward – 1st 4.1 km/h
Forward – 2nd 5.5 km/h
Forward – 3rd 8 km/h
Forward – 4th 11.1 km/h
Forward – 5th 17.5 km/h
Forward – 6th 23.7 km/h
Forward – 7th 32.7 km/h
Forward – 8th 47.5 km/h
Reverse – 1st 3.2 km/h
Reverse – 2nd 6 km/h
Reverse – 3rd 8.7 km/h
Reverse – 4th 13.8 km/h
Reverse – 5th 25.8 km/h
Reverse – 6th 37.5 km/h
Circuit Type Load Sensing, Closed Center, PPPC
Pump Type Variable Piston
Maximum System Pressure 25500 kPa
Standby Pressure 3600 kPa
Reservoir Tank Capacity 24.5 l
VHP Range – Net 93-108 kW (125-145 hp)
Moldboard – Height 610 mm
Moldboard – Thickness 22 mm
Arc Radius 413 mm
Throat Clearance 58 mm
Cutting Edge Width 152 mm
Cutting Edge Thickness 16 mm
End Bit – Width 152 mm
End Bit – Thickness 16 mm
Blade Pull – Maximum GVW 10623 kg
Down Pressure – Maximum GVW 9317 kg
Circle Centershift – Right 656 mm
Circle Centershift – Left 658 mm
Moldboard Sideshift – Right 663 mm
Moldboard Sideshift – Left 512 mm
Maximum Blade Position Angle 90 °
Blade Tip Range – Forward 40 °
Blade Tip Range – Backward 5 °
Maximum Shoulder Reach Outside of Tires – Right 1928 mm
Maximum Shoulder Reach Outside of Tires – Left 1764 mm
Maximum Lift Above Ground 410 mm
Maximum Digging Depth 775 mm
Ripping Depth – Maximum 262 mm
Ripper Shank Holders, Quantity 5
Ripper Shank Holder Spacing 533 mm
Penetration Force 4083 kg
Pry-Out Force 2108 kg
Machine Length Increase, Beam Raised 1058 mm
Mid, V-Type – Working Width 1184 mm
Mid, V-Type – Scarifying Depth, Maximum 229 mm
Mid, V-Type – Scarifier Shank Holders Quantity 11
Mid, V-Type – Scarifier Shank Holder Spacing 116 mm
Base Power (1st Gear) – Net – Metric 93 kW
Fan Speed Maximum 1575 r/min
Maximum Torque – Net 774 N·m
Note (1) Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 standards in effect at the time of manufacture.
Note (2) Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan, air cleaner, muffler and alternator.
Note (3) Maximum torque measured at 1,000 rpm in gears 4-8.
Front-Section Modulus – Maximum 3681 cm³
Front-Section Modulus – Minimum 1619 cm³
Gross Vehicle Weight 17000 kg
Note (1) Pump output measured at 2,150 rpm.
Optional High Output Pump 210.5 l/min
Pump Output – Standard Pump 159.1 l/min
Blade Pull – Base GVW 8112 kg
Down Pressure – Base GVW 5594 kg
Note (1) Blade Pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Vehicle Weight (GVW).
Note (1) Maximum travel speeds calculated at high idle on standard machine configuration with 14.00-24 12PR (G-2) tires.
Note (1) Brakes meet the following standards: SAE J/ISO 3450 JAN98.
Note (1) Ripper tow package.
Note (1) The mid-mount scarifier is positioned under the drawbar between the moldboard and front axle.
Note (1) These standards are met when the machine is equipped with a cab.
Note (2) The static operator sound pressure level is 77 dB(A) when “ISO 6394:2008” is used to measure the value for an enclosed cab. The measurement was conducted with the cab doors and the cab windows closed. The cab was properly installed and maintained.
Gross Vehicle Weight – Maximum – Total 17000 kg
Gross Vehicle Weight – Typically Equipped – Front Axle 3970 kg
Gross Vehicle Weight – Typically Equipped – Rear Axle 9873 kg
Gross Vehicle Weight – Typically Equipped – Total 13843 kg
Note (1) Base weight calculated on standard machine configuration with 13.00-24 12PR (G-2) tires, SP rims, full fuel tank, coolant, lubricants and 90 kg (198 lb) operator.
Note (2) Typical operating weight calculated on standard machine configuration with HVAC ROPS cab, 13.00-24 12PR (G-2) tires, MP rims, MMS, hydraulic tip, full fuel tank, coolant, lubricants and 90 kg (198 lb) operator.
Gross Vehicle Weight 13843 kg
Circle – Diameter 1530 mm
Circle – Blade Beam Thickness 30 mm
Drawbar – Height 127 mm
Drawbar – Width 76.2 mm
Front Axle – Height to Center 615 mm
Front Axle – Wheel Lean – Left/Right 18 °
Front Axle – Total Oscillation per Side 32 °
Front-Top/Bottom Plate – Width 280 mm
Front-Top/Bottom Plate – Thickness 22 mm
Front-Side Plates – Width 236 mm
Front-Side Plates – Thickness 10 mm
Front-Linear Weights – Minimum 134 kg/m
Front-Linear Weights – Maximum 172 kg/m
Height 438 mm
Width 172 mm
Sidewall Thickness – Inner 1 mm
Sidewall Thickness – Outer 16 mm
Drive Chain Pitch 44.5 mm
Wheel Axle Spacing 1510 mm
Tandem Oscillation – Front Up 15 °
Tandem Oscillation – Front Down 25 °
Fuel Capacity 305 l
Cooling System 40 l
Engine Oil 18 l
Transmission – Differential – Final Drives 48 l
Tandem Housing – Each 49 l
Front Wheel Spindle Bearing Housing 0.5 l
Circle Drive Housing 7 l
Gross Vehicle Weight – Base – Front Axle 3120 kg
Gross Vehicle Weight – Base – Rear Axle 9013 kg
Gross Vehicle Weight – Maximum – Front Axle 5197 kg
Gross Vehicle Weight – Maximum – Rear Axle 11803 kg
Height – ROPS Cab 3326 mm
Height – Non-ROPS Cab 3321 mm
Height – ROPS/Canopy 3326 mm
Ground Clearance – Center Front Axle 602 mm
Length – Between Tandem Axles 1510 mm
Length – Front Axle to Moldboard 2598 mm
Length – Front Axle to Mid Tandem 5870 mm
Length – Front Tire to Rear of Machine 8265 mm
Length – Counterweight to Ripper 9769 mm
Ground Clearance – Trans. Case 341 mm
Height – Top of Cylinders 2885 mm
Height – Exhaust Stack 2865 mm
Width – Tire Center Lines 2056 mm
Width – Outside Rear Tires 2439 mm
Width – Outside Front Tires 2449 mm
ROPS/FOPS ISO 3471:1994/ISO 3449:2005
Steering ISO 5010:2007
Brakes ISO 3450:1996
Sound ISO 6394:2008/ISO 6396:2008
Torque Rise 50 %

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