Caterpillar-120K

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Caterpillar 120K K Series Motor Graders

Variants

Specifications of Caterpillar 120K K Series Motor Graders

Engine

  • Base Power (1st gear) – Net 93.0 kW
  • Base Power (1st gear) – Net (Metric) 93.0 kW
  • Bore 105.0 mm
  • Derating Altitude 3048.0 m
  • Displacement 7.2 L
  • Engine Model Cat® C7 ACERT™
  • Fan Speed Maximum 1575.0 RPM
  • High Ambient Capability 50.0 ° C
  • Maximum Torque Net 774.0 N·m
  • Number of Cylinders 6
  • Speed @ rated power 2000.0 RPM
  • Stroke 127.0 mm
  • Torque Rise 50.0 %
  • VHP – gear 3 Gross 110.0 kW
  • VHP – gear 3 Net 101.0 kW
  • VHP – gears 1-2 Gross 103.0 kW
  • VHP – gears 1-2 Net 93.0 kW
  • VHP – gears 4-8 Gross 118.0 kW
  • VHP – gears 4-8 Net 108.0 kW
  • VHP Range – Net 93-108 kW (125- 145 hp)

Weights

  • 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

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 20.0 Degrees
  • Forward – 1st 4.1 km/ h
  • Forward – 2nd 5.5 km/h
  • Forward – 3rd 8.0 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 6.0 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
  • 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

Dimensions

  • 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

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

Power Train

  • Brakes – Parking Air actuated, multiple oil-disc
  • Brakes – Secondary Dual Circuit
  • Brakes – Service 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 32.0 Degrees
  • Front axle – wheel lean, left/right 18.0 Degrees
  • Front-linear weights – maximum 172.0 kg/m
  • Front-linear weights – minimum 134.0 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 5.0 Degrees
  • Blade Tip Range – forward 40.0 Degrees
  • Circle Centershift – left 658.0 mm
  • Circle Centershift – right 656.0 mm
  • Maximum Blade Position Angle 90.0 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 25.0 Degrees
  • Tandem oscillation – front up 15.0 Degrees
  • Wheel axle spacing 1510.0 mm
  • Width 172.0 mm

WEIGHTS – TYPICALLY EQUIPPED

  • Gross Vehicle Weight 13843.0 kg
  • Operating Weight – Typically Equipped 30519.0 kg

GROSS VEHICLE WEIGHT – MAXIMUM

  • Gross Vehicle Weight 17000.0 kg

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