Caterpillar 12K K Series Motor Graders

Specifications of Caterpillar 12K K Series Motor Graders

Engine

• Base Power (1st gear) – Net 108.0 kW
• Base Power (1st gear) – Net (Metric) 108.0 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 881.0 N·m
• Number of Cylinders 6
• Speed @ rated power 2000.0 RPM
• Stroke 127.0 mm
• Torque Rise 50.0 %
• VHP – gear 3 Gross 125.0 kW
• VHP – gear 3 Net 116.0 kW
• VHP – gears 1-2 Gross 118.0 kW
• VHP – gears 1-2 Net 108.0 kW
• VHP – gears 4-8 Gross 133.0 kW
• VHP – gears 4-8 Net 123.0 kW
• VHP Range – Net 108-123 kW (145-165 hp)

Weights

• Gross Vehicle Weight – Typically Equipped 16710.0 kg
• Gross Vehicle Weight: Base – front axle 3672.0 kg
• Gross Vehicle Weight: Base – rear axle 9820.0 kg
• Gross Vehicle Weight: Base – total 13492.0 kg
• Gross Vehicle Weight: Maximum – front axle 8005.0 kg
• Gross Vehicle Weight: Maximum – rear axle 14866.0 kg
• Gross Vehicle Weight: Maximum – total 22870.0 kg
• Gross Vehicle Weight: Typically Equipped – front axle 4553.0 kg
• Gross Vehicle Weight: Typically Equipped – rear axle 12157.0 kg
• Gross Vehicle Weight: Typically Equipped – total 16710.0 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) 64.0 L
• Transmission/Differential/Final Drives 60.0 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 4.0 km/h
• Forward – 2nd 5.4 km/h
• Forward – 3rd 7.9 km/h
• Forward – 4th 10.9 km/ h
• Forward – 5th 17.1 km/h
• Forward – 6th 23.3 km/h
• Forward – 7th 32.0 km/h
• Forward – 8th 46.6 km/h
• Reverse – 1st 3.2 km/h
• Reverse – 2nd 5.9 km/h
• Reverse – 3rd 8.6 km/h
• Reverse – 4th 13.5 km/h
• Reverse – 5th 25.3 km/h
• Reverse – 6th 36.8 km/ h
• Steering Range – left/right 47.5 Degrees
• Top Speed – forward 46.6 km/ h
• Top Speed – reverse 36.8 km/h
• Turning Radius, outside front tires 7.5 m

Dimensions

• Length – Between Tandem Axles 1523.0 mm
• Length – Counterweight to Ripper 10013.0 mm
• Length – Front Axle to Mid Tandem 6086.0 mm
• Length – Front Axle to Moldboard 2598.0 mm
• Length – Front Tire to Rear of Machine 8504.0 mm
• Width – Outside Front Tires 2481.0 mm
• Width – Outside Rear Tires 2452.0 mm
• Width – Tire Center Lines 2065.0 mm
• Ground Clearance – Center Front Axle 626.0 mm
• Ground Clearance, Trans. Case 362.0 mm
• Height – Non-ROPS Cab 3348.0 mm
• Height – ROPS Cab 3354.0 mm
• Height – ROPS Canopy 3354.0 mm
• Height – Top of Cylinders 3049.0 mm
• Height to Exhaust Stack 2895.0 mm

Hydraulic System

• Circuit Type Load Sensing, Closed Center, PPPC
• Maximum System Pressure Variable piston 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 55.0 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 23948.0 cm2
• Forward/Reverse Gears 8 forward/6 reverse
• Transmission Direct Drive, powershift

Ripper

• Machine length increase, beam raised 970.0 mm
• Penetration force 8444.0 kg
• Pryout Force 10353.0 kg
• Ripper shank holder spacing 533.0 mm
• Ripper shank holders, quantity 5
• Ripping depth – maximum 462.0 mm
• Scarifier shank holder quantity 9

FRAME

• Circle – blade beam thickness 30.0 mm
• Circle – diameter 1530.0 mm
• Drawbar – height 127.0 mm
• Drawbar – width 76.0 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 213.0 kg/m
• Front-linear weights – minimum 165.0 kg/m
• Front-section modulus – maximum 4785.0 cm3
• Front-section modulus – minimum 2083.0 cm3
• Front-side plates – thickness 12.0 mm
• Front-side plates – width 242.0 mm
• Front-top/bottom plate – thickness 25.0 mm
• Front-top/bottom plate – width 305.0 mm

MOLDBOARD

• Arc Radius 413.0 mm
• Blade Pull – base GVW 8838.0 kg
• Blade Pull – maximum GVW 13379.0 kg
• Blade Width 3.7 m
• Cutting Edge – thickness 16.0 mm
• Cutting Edge – width 152.0 mm
• Down Pressure – base GVW 6405.0 kg
• Down Pressure – maximum GVW 13964.0 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 120.0 mm

BLADE RANGE

• Blade Tip Range – backward 5.0 Degrees
• Blade Tip Range – forward 40.0 Degrees
• Circle Centershift – right 728.0 mm
• Maximum Blade Position Angle 90.0 Degrees
• Maximum depth of cut 735.0 mm
• Maximum lift above ground 480.0 mm
• Maximum shoulder reach outside of tires – left 1859.0 mm
• Maximum shoulder reach outside of tires – right 1809.0 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 292.0 mm
• Mid, V-Type: Working width 1184.0 mm
• Rear: Scarifier shank holder spacing 267.0 mm
• Rear: Scarifier shank holders quantity 9
• Rear: Scarifying depth, maximum 411.0 mm
• Rear: Working width 2300.0 mm

TANDEMS

• Drive chain pitch 51.0 mm
• Height 506.0 mm
• Sidewall thickness – inner 16.0 mm
• Sidewall thickness – outer 18.0 mm
• Tandem oscillation – front down 25.0 Degrees
• Tandem oscillation – front up 15.0 Degrees
• Wheel axle spacing 1522.0 mm
• Width 201.0 mm

WEIGHTS – TYPICALLY EQUIPPED

• Gross Vehicle Weight 16710.0 kg
• Operating Weight – Typically Equipped 14308.0 kg

GROSS VEHICLE WEIGHT – MAXIMUM

• Gross Vehicle Weight 22870.0 kg