Caterpillar 120M Motor Grader

Specifications

Dimensions information

Full lenght machine

27.85ft in

Width Over Tires

8.14ft in

Wheelbase length (Distance between the foremost and rearmost wheels)

19.4ft in

Rear Ride height

1.13ft in

Tandem Axle Wheelbase length (Distance between the foremost and rearmost wheels)

4.96ft in

Front Ride height

1.87ft in

Blade Base

8.24ft in

Height To Top Of Isomount Cab

10.75ft in

Length – Between Tandem Axles

59.5in

Length – Counterweight To Ripper

389.3in

Length – Front Axle To Mid Tandem

232.8in

Length – Front Axle To Moldboard

98.85in

Length – Front Tire To Rear Of Machine

334.1in

Height – Top Of Cylinders

113.7in

Height – Top Of Cab

10.75ft in

Height – Front Axle Center

22.5in

Height – Exhaust Stack

112.4in

Width – Outside Front Tires

97.7in

Width – Outside Rear Tires

97.7in

Width – Tire Center Lines

84.1in

Ride height – Rear Axle

13.6in

Specifications

Ripper

Pry-Out Force

26303lb

Ripping Depth – Maximum

17in

Ripper Shank Holders

5

Penetration Force

17705lb

Machine Length Increase, Beam Raised

39.2in

Ripper Shank Holder Spacing

21in

Engine specifications

How many cylinders does an engine have?

6

Brand

2236

Model

C6.6 ACERT VHP

Frame

Front Frame Structure – Height

0.9ft in

Front Frame Structure – Width

0.9ft in

Front Frame Structure – Thickness

0.1ft in

Engine specifications

Revolutions Per Minute

2000rpm

Max Power

138hp

Net Power Gears 7-8

138hp

Engine displacement

403cu in

Cylinder bore is the diameter of each cylinder

4.2in

Stroke length engine

5in

Emissions

U.S. EPA Tier 3/EU Stage IIIA equivalent

Model

Cat C6.6 ACERT

Note (1)

Maximum torque (VHP Plus) measured at 1,400 rpm.

Note (2)

Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 Standards in effect at the time of manufacture.

Note (3)

Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan running at minimum speed, air cleaner, muffler and alternator.

Note (4)

Power as declared per ISO 14396: Rated Speed = 2,000 rpm; VHP Plus = 175 kW (234 hp)

Note (5)

No engine derating required up to 3048 m (10,000 ft).

Derating Altitude

11500ft in

Maximum Torque

690lb ft

Base Power (1st Gear) – Net

138hp

Speed At Rated Power

2,000 rpm

High – Ambient Capability

122degrees

Base Power (1st Gear) – Net – Metric

140hp

High Ambient – Fan Speed – Maximum

1,650 rpm

High Ambient – Fan Speed – Minimum

600 rpm

Vhp Plus Range – Net

103-136 kW (138-182 hp)

Vhp Plus Range – Net – Metric

103-136 kW (140-185 hp)

Frame

Circle – Diameter

60.2in

Drawbar – Height

6in

Front Axle – Height To Center

22.5in

Circle – Blade Beam Thickness

1.4in

Front Axle – Total Oscillation Per Side

32 degrees

Drawbar – Thickness

0.4in

Drawbar – Width

3in

Front Axle – Wheel Lean – Left/Right

18 degrees

Engine specifications

Torque Rise – Vhp Plus

40%

Base Power (All Gears) – Net

138hp

Standard – Fan Speed – Maximum

1,150 rpm

Standard – Fan Speed – Minimum

600 rpm

Standard – Ambient Capability

109degrees

Vhp Range – Net

103-114 kW (138-153 hp)

Maximum Torque – Vhp Plus – Net

668lb ft

Frame

Drawbar – Yoke Bar Thickness

0.8in

Functional specifications

Std Operation Weight – Front Axle

8233lb

Std Operation Weight – Rear Axle

22836lb

Hydraulic liquid capacity in hydraulic machinery

15.9gal

Std Operation Weight – Total

31069lb

Max Operation Weight – Front Axle

16312lb

Max Operation Weight – Rear Axle

28378lb

Max Operation Weight – Total

44690lb

Standart fuel tank capacities

90gal

Coolant system fluid capacity:

10.4gal

Rear Diff/Final Drive Fluid Capacity

13.2gal

Circle Gearbox Fluid Capacity

1.8gal

Tandem Case Fluid Capacity (Each)

16.9gal

Power Train

Brakes – Parking

Multiple oil disc

Brakes – Service

Multiple oil-disc

Transmission

Direct drive, power shift, countershaft

Forward/How many reverse gears:

8 Fwd / 6 Rev

Brakes – Secondary

Dual circuit control system

Brakes – Service – Surface Area

3565in2

Steering

Articulation Angle

20degrees

Turning Radius of a vehicle:

24.5ft in

Transmission specifications

Type transmission

direct drive, power shift, countershaft

Number Of Gears – Forward

8

Number Of Gears – Reverse

6

Top Speed: – Forward

27.7mph

Top Speed: – Reverse

23.5mph

Front Axle

Wheel Lean

18degrees

Oscillation – Total

32degrees

Ride Height

1.9ft in

Weights

Gross Vehicle Weight – Typically Equipped – Rear Axle

29343lb

Gross Vehicle Weight – Typically Equipped – Front Axle

11221lb

Gross Vehicle Weight – Typically Equipped – Total

40565lb

Operating Weight – Typically Equipped

40565lb

Gross Vehicle Weight – Base – Total

35783lb

Gross Vehicle Weight – Maximum – Total

48601lb

Gross Vehicle Weight – Base – Rear Axle

26479lb

Gross Vehicle Weight – Base – Front Axle

9303lb

Gross Vehicle Weight – Maximum – Front Axle

15077lb

Gross Vehicle Weight – Maximum – Rear Axle

33523lb

Hydraulic System specifications

Standby Pressure

450 psi

Max Pressure for the entire system:

3500 psi

Moldboard

Moldboard Width

12ft in

Moldboard Height

24in

Moldboard Thickness

0.9in

Max Depth Of Cut

28.3in

Side Shift Left

20.1in

Side Shift Right

26in

Blade Pull At Max Weight

40221lb

Blade Down Pressure

28887.2lb

Hydraulic System specifications

Transmission pump:

Variable piston

Pump Flow

40gal/min

Relief Valve Pressure

3500psi

Circuit Type

Electro-hydraulic load sensing, closed center

Pump Output

40 gal/min

Moldboard

Base blade width:

12ft in

Arc Radius

16.3in

Throat Clearance

5.2in

Cut Edge Width

6in

Cut Edge Thickness

0.6in

End Bit – Width

6in

End Bit – Thickness

0.6in

Moldboard – Height

24in

Moldboard – Thickness

0.9in

Moldboard – Width

12ft in

Blade Pull – Maximum Gvw

24218lb

Blade Pull – Base Gvw

20350lb

Blade Down Pressure – Base Gvw

16435lb

Blade Down Pressure – Maximum Gvw

29125lb

Circle

Diameter

60.2in

Shift Left

25.8in

Shift Right

25.8in

Max Reach Outside Tires – Left

68.6in

Max Reach Outside Tires – Right

75in

Max Lift Above Ground

16.8in

Blade Tip Angle – Front

40degrees

Blade Tip Angle – Rear

5degrees

Operating Specifications

Top Speed – Forward

27.7mph

Top Speed – Reverse

23.5mph

Turning Radius – Outside Front Tires

24.5ft in

Steering Range – Left/Right

47.5 degrees

Articulation Angle – Left/Right

20 degrees

Forward – 8th

27.7mph

Forward – 7th

19mph

Forward – 6th

13.8mph

Forward – 5th

10.2mph

Forward – 4th

6.5mph

Forward – 3rd

4.8mph

Forward – 2nd

3.3mph

Forward – 1st

2.4mph

Reverse – 6th

23.5mph

Reverse – 5th

16.1mph

Reverse – 4th

8.6mph

Reverse – 3rd

5.6mph

Reverse – 2nd

3.8mph

Reverse – 1st

2mph

Standards

Brakes

ISO 3450:1996

Rops/Fops

ISO 3471:1992 / ISO 3449:1992

Sound

ISO 6394:1998 / ISO 6395:1988

Steering

ISO 5010:1992

Service Refill

Cooling System

8.7gal

Engine Oil

3.7gal

Hydraulic System – Tank

16.9gal

Tandem Housing – Each

15.6gal

Circle Drive Housing

1.8gal

Front Wheel Spindle Bearing Housing

0.1gal

Standart fuel tank capacities

90gal

Transmission – Differential – Final Drives

16.5gal

Blade Range

Circle Centershift – Right

25.8in

Circle Centershift – Left

25.8in

Moldboard Sideshift – Right

26in

Moldboard Sideshift – Left

20.1in

Blade Tip Range – Forward

40 degrees

Blade Tip Range – Backward

5 degrees

Maximum Shoulder Reach Outside Of Tires – Right

75in

Maximum Shoulder Reach Outside Of Tires – Left

68.6in

Maximum Lift Above Ground

16.8in

Maximum Depth Of Cut

28.3in

Maximum Blade Position Angle

90 degrees

Scarifier

Rear – Scarifier Shank Holders

9

Mid, V-Type – Scarifier Shank Holders

11

Front, V-Type, 5 Or 11 Tooth – Working Width

47.4in

Front, V-Type, 5 Or 11 Tooth – Scarifying Depth, Maximum

18.4in

Front, V-Type, 5 Or 11 Tooth – Scarifier Shank Holders

5 / 11

Front, V-Type, 5 Or 11 Tooth – Scarifier Shank Holder Spacing

4.6in

Mid, V-Type – Working Width

46.6in

Mid, V-Type – Scarifying Depth, Maximum

11.5in

Mid, V-Type – Scarifier Shank Holder Spacing

4.6in

Rear – Working Width

91in

Rear – Scarifying Depth, Maximum

10.5in

Rear – Scarifier Shank Holder Spacing

10.5in

Mid, Straight – Working Width

71in

Mid, Straight – Scarifier Shank Holder Spacing

4.4in

Mid, Straight – Scarifier Shank Holders

17

Mid, Straight – Scarifying Depth, Maximum

12.5in

Tandems

Height

19.8in

Width

6.8in

Sidewall Thickness – Inner

0.5in

Sidewall Thickness – Outer

0.6in

Drive Chain Pitch

1.8in

Wheel Axle Spacing

59.5in

Tandem Oscillation – Front Up

15 degrees

Tandem Oscillation – Front Down

25 degrees