Caterpillar 120K2 K Series 2 Motor Graders

Specifications of Caterpillar 120K2 K Series 2 Motor Graders

Engine

• Base Power (1st gear) – Net 108.0 kW
• Derating Altitude 2286.0 m
• Displacement 7.2 L
• Engine Model Cat® C7 ACERT™
• Fan Speed Maximum 1,575 rpm
• Gross Power – ISO 14396 116.0 kW
• High Ambient Capability 50.0 ° C
• Maximum Torque Net 774.0 N·m
• Number of Cylinders 6
• Power – All Gears: 1-8 Gross 118.0 kW
• Power – All Gears: 1-8 Gross (metric) 118.0 kW
• Power – All Gears: 1-8 Net 108.0 kW
• Power – All Gears: 1-8 Net (metric) 108.0 kW
• Speed @ rated power 2,000 rpm
• Stroke 127.0 mm
• Torque Rise 50%

Weights

• Gross Vehicle Weight – Maximum 17000.0 kg
• Gross Vehicle Weight – Typically Equipped 13843.0 kg
• Gross Vehicle Weight, Base – front axle 3120.0 kg
• Gross Vehicle Weight, Base – rear axle 9013.0 kg
• Gross Vehicle Weight, Base – total 12133.0 kg
• Gross Vehicle Weight, Maximum – front axle 5197.0 kg
• Gross Vehicle Weight, Maximum – rear axle 11803.0 kg
• Gross Vehicle Weight, Maximum – total 17000.0 kg
• Gross Vehicle Weight, Typically Equipped – front axle 3970.0 kg
• Gross Vehicle Weight, Typically Equipped – rear axle 9873.0 kg
• Gross Vehicle Weight, Typically Equipped – total 13843.0 kg

Transmission

• Articulation Angle – left/right 20 Degrees
• Forward 1 4.1 km/h
• Forward 2 5.5 km/h
• Forward 3 8.0 km/h
• Forward 4 11.1 km/ h
• Forward 5 17.5 km/h
• Forward 6 23.7 km/h
• Forward 7 32.7 km/h
• Forward 8 47.5 km/h
• Reverse 1 3.2 km/h
• Reverse 2 6.0 km/h
• Reverse 3 8.7 km/h
• Reverse 4 13.8 km/h
• Reverse 5 25.8 km/h
• Reverse 6 37.5 km/h
• Steering Range – left/right 47.5 Degrees
• Top Speed – forward 47.5 km/h
• Top Speed – reverse 37.5 km/h
• Turning Radius, outside front tires 7.3 m

Service Refill Capacities

• Circle drive housing 7.0 L
• Cooling System 40.0 L
• Engine Oil 18.0 L
• Front wheel spindle bearing housing 0.5 L
• Fuel Capacity 305.0 L
• Tandem housing (each) 49.0 L
• Transmission/Differential/Final Drives 48.0 L

Standards

• Brakes ISO 3450:1996
• ROPS/FOPS ISO 3471:1994/ISO 3449: 2005
• Sound ISO 6394:2008, ISO 6396:2008
• Steering ISO 5010:2007

Operating Specifications

• Articulation Angle – left/right 20 Degrees

Hydraulic System

• Circuit Type Load Sensing, Closed Center, PPPC
• Maximum System Pressure 25500.0 kPa
• Optional High Output Pump 210.5 L/min
• Pump Output Standard Pump 159.1 L/min
• Pump Type Variable Piston
• Reservoir Tank Capacity 24.5 L
• Standby Pressure 3600.0 kPa

Dimensions (Approximate)

• Ground Clearance – Center Front Axle 602.0 mm
• Ground Clearance, Trans. Case 341.0 mm
• Height – Non-ROPS Cab 3321.0 mm
• Height – ROPS Cab 3326.0 mm
• Height – ROPS Canopy 3326.0 mm
• Height – Top of Cylinders 2885.0 mm
• Height to Exhaust Stack 2865.0 mm
• Length – Between Tandem Axles 1510.0 mm
• Length – Counterweight to Ripper 9769.0 mm
• Length – Front Axle to Mid Tandem 5870.0 mm
• Length – Front Axle to Moldboard 2598.0 mm
• Length – Front Tire to Rear of Machine 8265.0 mm
• Width – Outside Front Tires 2449.0 mm
• Width – Outside Rear Tires 2439.0 mm
• Width – Tire Center Lines 2056.0 mm

Power Train

• Brakes – Parking Air actuated, multiple oil-disc
• Brakes – Secondary Dual Circuit
• Brakes – Servic Air actuated, multiple oil-disc
• Brakes – Service, surface area 18606.0 cm2
• Forward/Reverse Gears 8 forward/6 reverse
• Transmission Direct drive, Powershift

Ripper

• Machine length increase, beam raised 1058.0 mm
• Penetration force 4083.0 kg
• Pryout Force 2108.0 kg
• Ripper shank holder spacing 533.0 mm
• Ripper shank holders, quantity 5
• Ripping depth – maximum 262.0 mm

FRAME

• Circle – blade beam thickness 30.0 mm
• Circle – diameter 1530.0 mm
• Drawbar – height 127.0 mm
• Drawbar – width 76.2 mm
• Front axle – height to center 615.0 mm
• Front axle – total oscillation per side 32 Degrees
• Front axle – wheel lean, left/right 18 Degrees
• Front-linear weights – maximum 172.0 kg/m
• Front-section modulus – maximum 3681.0 cm3
• Front-section modulus – minimum 1619.0 cm3
• Front-side plates – thickness 10.0 mm
• Front-side plates – width 236.0 mm
• Front-top/bottom plate – thickness 22.0 mm
• Front-top/bottom plate – width 280.0 mm

MOLDBOARD

• Arc Radius 413.0 mm
• Blade Pull – base GVW 8112.0 kg
• Blade Pull – maximum GVW 10623.0 kg
• Blade Width 3.7 m
• Cutting Edge – thickness 16.0 mm
• Cutting Edge – width 152.0 mm
• Down Pressure – base GVW 5594.0 kg
• Down Pressure – maximum GVW 9317.0 kg
• End Bit – thickness 16.0 mm
• End Bit – width 152.0 mm
• Moldboard – height 610.0 mm
• Moldboard – thickness 22.0 mm
• Throat Clearance 58.0 mm

BLADE RANGE

• Blade Tip Range – backward 5 Degrees
• Blade Tip Range – forward 40 Degrees
• Circle Centershift – left 658.0 mm
• Circle Centershift – right 656.0 mm
• Maximum Blade Position Angle 90 Degrees
• Maximum depth of cut 775.0 mm
• Maximum lift above ground 410.0 mm
• Maximum shoulder reach outside of tires – left 1764.0 mm
• Maximum shoulder reach outside of tires – right 1928.0 mm
• Moldboard Sideshift – left 512.0 mm
• Moldboard Sideshift – right 663.0 mm

SCARIFIER

• Mid, V-Type – Scarifier shank holder spacing 116.0 mm
• Mid, V-Type – Scarifier shank holders quantity 11
• Mid, V-Type – Scarifying depth, maximum 229.0 mm
• Mid, V-Type – Working width 1184.0 mm

TANDEMS

• Drive chain pitch 44.5 mm
• Height 438.0 mm
• Sidewall thickness – inner 1.0 mm
• Sidewall thickness – outer 16.0 mm
• Tandem oscillation – front down 25 Degrees
• Tandem oscillation – front up 15 Degrees
• Wheel axle spacing 1510.0 mm
• Width 172.0 mm