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Caterpillar 120M2/120M2 AWD Motor Grader Specs

Air Conditioning System

Caterpillar 120M2/120M2 AWD Motor Grader Air Conditioning System specifications
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.88 metric tonnes.

Blade Range

Caterpillar 120M2/120M2 AWD Motor Grader Blade Range specifications
Blade Tip Range - Backward 5 degrees
Blade Tip Range - Forward 40 degrees
Circle Centershift - Left 25.80 in (65.53 cm)
Circle Centershift - Right 25.80 in (65.53 cm)
Maximum Blade Position Angle 90 degrees
Maximum Depth Of Cut 28.30 in (71.88 cm)
Maximum Lift Above Ground 16.80 in (42.67 cm)
Maximum Shoulder Reach Outside Of Tires - Left 68.60 in (174.24 cm)
Maximum Shoulder Reach Outside Of Tires - Right 75.00 in (190.50 cm)
Moldboard Sideshift - Left 20.10 in (51.05 cm)
Moldboard Sideshift - Right 26.00 in (66.04 cm)

Emissions

Caterpillar 120M2/120M2 AWD Motor Grader Emissions specifications
Note U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent

Engine

Caterpillar 120M2/120M2 AWD Motor Grader Engine specifications
Base Power (1st Gear) - Net 145.00 hp (108.13 kw)
Base Power (1st Gear) - Net - Metric 147.00 hp (109.62 kw)
Base Power (All Gears) - Net 145.00 hp (108.13 kw)
Bore 4.20 in (10.67 cm)
Derating Altitude 10,000.00 ft (3,048.00 m)
Displacement 428.00 cu in (7,013.68 cu cm)
Emissions Tier 4 Interim/Stage IIIB equivalent
Engine Model Cat C7.1 ACERT
High - Ambient Capability 122 degrees
High Ambient - Fan Speed - Maximum 1,350 rpm
High Ambient - Fan Speed - Minimum 500 rpm
High Ambient - Fan Speed - Standard 1,000 rpm
Maximum Torque 693.00 lbs ft (939.57 nm)
Number Of Cylinders 6
Speed At Rated Power 2,100 rpm
Standard Capability 109 degrees
Stroke 5.40 in (13.72 cm)
Torque Rise 45 %
Vhp Plus - Gear 1f, Net 145.00 hp (108.13 kw)
Vhp Plus - Gear 2f, Net 153.00 hp (114.09 kw)
Vhp Plus - Gear 3f, Net 161.00 hp (120.06 kw)
Vhp Plus - Gear 4f, Net 169.00 hp (126.03 kw)
Vhp Plus - Gear 5f, Net 174.00 hp (129.75 kw)
Vhp Plus - Gear 6f, Net 179.00 hp (133.48 kw)
Vhp Plus - Gear 7f, Net 184.00 hp (137.21 kw)
Vhp Plus - Gear 8f, Net 189.00 hp (140.94 kw)
Vhp Plus Range - Net 108-141 kW (145-189 hp)
Vhp Plus Range - Net - Metric 108-141 kW (147-192 hp)

Frame

Caterpillar 120M2/120M2 AWD Motor Grader Frame specifications
Circle - Blade Beam Thickness 1.40 in (3.56 cm)
Circle - Diameter 60.20 in (152.91 cm)
Drawbar - Height 6.00 in (15.24 cm)
Drawbar - Thickness 0.40 in (1.02 cm)
Drawbar - Width 3.00 in (7.62 cm)
Front Axle - Height To Center 22.50 in (57.15 cm)
Front Axle - Total Oscillation Per Side 32 degrees
Front Axle - Wheel Lean - Left/Right 18 degrees
Front Frame Structure - Height 1.00 ft (0.30 m)
Front Frame Structure - Width 0.70 ft (0.21 m)
Front-Top/Bottom Plate - Thickness 0.90 in (2.29 cm)
Front-Top/Bottom Plate - Width 10.00 in (25.40 cm)

Hydraulic System

Caterpillar 120M2/120M2 AWD Motor Grader Hydraulic System specifications
Circuit Type Parallel
Maximum System Pressure 3500 psi
Pump Output 55.70 gpm (210.82 lpm)
Pump Type Variable Piston
Reservoir Tank Capacity 15.90 gal (60.18 l)
Standby Pressure 609 psi

Moldboard

Caterpillar 120M2/120M2 AWD Motor Grader Moldboard specifications
Arc Radius 16.30 in (41.40 cm)
Blade Down Pressure - Base Gvw 15,030.00 lbs (6,817.50 kg)
Blade Down Pressure - Maximum Gvw 27,235.00 lbs (12,353.60 kg)
Blade Pull - Base Gvw 23,737.00 lbs (10,766.94 kg)
Blade Pull - Maximum Gvw 29,980.00 lbs (13,598.72 kg)
Blade Width 12.00 ft (3.66 m)
Cutting Edge Thickness 0.60 in (1.52 cm)
Cutting Edge Width 6.00 in (15.24 cm)
End Bit - Thickness 0.60 in (1.52 cm)
End Bit - Width 6.00 in (15.24 cm)
Moldboard - Height 24.00 in (60.96 cm)
Moldboard - Thickness 0.90 in (2.29 cm)
Throat Clearance 4.90 in (12.45 cm)

Operating Specifications

Caterpillar 120M2/120M2 AWD Motor Grader Operating Specifications specifications
Articulation Angle - Left/Right 20 degrees
Forward - 1st 2.50 mph (4.02 kph)
Forward - 2nd 3.40 mph (5.47 kph)
Forward - 3rd 4.90 mph (7.89 kph)
Forward - 4th 6.70 mph (10.78 kph)
Forward - 5th 10.40 mph (16.74 kph)
Forward - 6th 14.20 mph (22.85 kph)
Forward - 7th 19.50 mph (31.38 kph)
Forward - 8th 28.40 mph (45.71 kph)
Reverse - 1st 1.90 mph (3.06 kph)
Reverse - 2nd 3.90 mph (6.28 kph)
Reverse - 3rd 5.30 mph (8.53 kph)
Reverse - 4th 8.20 mph (13.20 kph)
Reverse - 5th 15.40 mph (24.78 kph)
Reverse - 6th 22.40 mph (36.05 kph)
Steering Range - Left/Right 47.5 degrees
Top Speed - Forward 28.40 mph (45.71 kph)
Top Speed - Reverse 22.40 mph (36.05 kph)
Turning Radius - Outside Front Tires 24.30 ft (7.41 m)

Power Train

Caterpillar 120M2/120M2 AWD Motor Grader Power Train specifications
Brakes - Parking Multiple Oil Disc
Brakes - Secondary Dual Circuit
Brakes - Service Multiple Oil Disc
Brakes - Service - Surface Area 3565 in2
Forward/Reverse Gears 8 Forward/6 Reverse
Transmission Direct Drive, Powershift

Ripper

Caterpillar 120M2/120M2 AWD Motor Grader Ripper specifications
Machine Length Increase, Beam Raised 41.50 in (105.41 cm)
Penetration Force 17,692.00 lbs (8,024.97 kg)
Pry-Out Force 5,660.00 lbs (2,567.34 kg)
Ripper Shank Holder Spacing 21.00 in (53.34 cm)
Ripper Shank Holders 5
Ripping Depth - Maximum 8.90 in (22.61 cm)

Scarifier

Caterpillar 120M2/120M2 AWD Motor Grader Scarifier specifications
Front, V-Type - Working Width 47.40 in (120.40 cm)
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holder Spacing 4.60 in (11.68 cm)
Front, V-Type, 5 Or 11 Tooth - Scarifier Shank Holders 5/11
Front, V-Type, 5 Or 11 Tooth - Scarifying Depth, Maximum 18.40 in (46.74 cm)
Front, V-Type, 5 Or 11 Tooth - Working Width 40.60 in (103.12 cm)
Mid, Straight - Ripping Depth, Maximum 12.50 in (31.75 cm)
Mid, Straight - Scarifier Shank Holder Spacing 4.40 in (11.18 cm)
Mid, Straight - Scarifier Shank Holders 17
Mid, Straight - Scarifying Depth, Maximum 16.80 in (42.67 cm)
Mid, Straight - Working Width 71.00 in (180.34 cm)
Mid, V-Type - Scarifier Shank Holder Spacing 4.60 in (11.68 cm)
Mid, V-Type - Scarifier Shank Holders 11
Mid, V-Type - Scarifying Depth, Maximum 11.50 in (29.21 cm)
Mid, V-Type - Working Width 46.60 in (118.36 cm)

Service Refill

Caterpillar 120M2/120M2 AWD Motor Grader Service Refill specifications
Circle Drive Housing 1.80 gal (6.81 l)
Cooling System 12.90 gal (48.83 l)
Engine Oil 7.90 gal (29.90 l)
Front Wheel Spindle Bearing Housing 0.20 gal (0.76 l)
Fuel Capacity 100.00 gal (378.50 l)
Hydraulic System - Tank 16.90 gal (63.97 l)
Tandem Housing - Each 15.60 gal (59.05 l)
Transmission - Differential - Final Drives 16.50 gal (62.45 l)

Standards

Caterpillar 120M2/120M2 AWD Motor Grader Standards specifications
Brakes ISO 3450
Rops/Fops ISO 3471/ISO 3449
Sound ISO 6394; ISO 6395
Steering ISO 5010

Tandems

Caterpillar 120M2/120M2 AWD Motor Grader Tandems specifications
Drive Chain Pitch 1.80 in (4.57 cm)
Height 19.80 in (50.29 cm)
Sidewall Thickness - Inner 0.50 in (1.27 cm)
Sidewall Thickness - Outer 0.60 in (1.52 cm)
Tandem Oscillation - Front Down 25 degrees
Tandem Oscillation - Front Up 15 degrees
Wheel Axle Spacing 59.50 in (151.13 cm)
Width 6.80 in (17.27 cm)

Tires

Caterpillar 120M2/120M2 AWD Motor Grader Tires specifications
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height To Dimensions 1, 2, 8, 9, 10 -0.80 in (-2.03 cm)
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire To Rear Of Machine Dimension 6 -0.60 in (-1.52 cm)
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width To Tire Centerline Dimension 11 4.10 in (10.41 cm)
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width To Tire Front/Rear Tires Dimensions 12, 13 7.60 in (19.30 cm)
Note Dimension changes may vary by brand/type and inflation of tires.

Weights

Caterpillar 120M2/120M2 AWD Motor Grader Weights specifications
Gross Vehicle Weight - Base - Front Axle 8,651.00 lbs (3,924.03 kg)
Gross Vehicle Weight - Base - Rear Axle 26,374.00 lbs (11,963.06 kg)
Gross Vehicle Weight - Base - Total 35,025.00 lbs (15,887.09 kg)
Gross Vehicle Weight - Maximum - Front Axle 15,675.00 lbs (7,110.07 kg)
Gross Vehicle Weight - Maximum - Rear Axle 33,312.00 lbs (15,110.09 kg)
Gross Vehicle Weight - Maximum - Total 48,987.00 lbs (22,220.16 kg)
Operating Weight - Typically Equipped 39,892.00 lbs (18,094.73 kg)
Operating Weight - Typically Equipped - Front Axle 10,563.00 lbs (4,791.30 kg)
Operating Weight - Typically Equipped - Rear Axle 29,329.00 lbs (13,303.43 kg)
Operating Weight - Typically Equipped - Total 39,892.00 lbs (18,094.73 kg)
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