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Caterpillar - 120M2/120M2 AWD Motor Grader

The M Series 2 continues the legacy of quality already established by Cat Motor Graders. The extensive validation program, combined with improvements to the manufacturing process, allows Caterpillar to further enhance our quality. The end result of this development process is a motor grader line with breakthrough technologies, tested in the field and built around real applications and real customer needs. M Series 2 Motor Graders meet Tier 4 Interim/Stage IIIB equivalent emission standards.

Rent this Equipment
Brochure / Documentation - C699553 Brochure / Documentation - CM20130824-49079-36612

Base Power (1st gear) – Net 145.0 hp
Engine Model Cat® C7.1 ACERT™
Bore 4.13 in
Stroke 5.31 in
Speed @ Rated Power 2,100 rpm
VHP Plus – gear 7F, Net 184.0 hp
Maximum Torque Net 693.0 lb ft
VHP Plus – gear 8F, Net 189.0 hp
VHP Plus – gear 3F, Net 161.0 hp
Base Power (1st gear) – Net (Metric) 147.0 hp
VHP Plus – gear 4F, Net 169.0 hp
Base Power (all gears) Net 145.0 hp
VHP Plus – gear 6F, Net 179.0 hp
Standard Capability 109.0 °F
VHP Plus Range - Net 108-141 kW (145-189 hp)
Torque Rise 45%
High Ambient - Fan Speed - Standard 1,000 rpm
VHP Plus – gear 2F, Net 153.0 hp
Emissions Tier 4 Interim/Stage IIIB equivalent
VHP Plus – gear 5F, Net 174.0 hp
VHP Plus Range - Net - Metric 108-141 kW (147-192 hp)
VHP Plus – gear 1F, Net 145.0 hp
Displacement 428.0 in3
Number of Cylinders 6
Derating altitude 10000.0 ft
High Ambient - Fan Speed - Maximum 1,350 rpm
High Ambient - Fan Speed - Minimum 500 rpm
High Ambient Capability 122.0 ° F
Forward/Reverse Gears 8 Forward/6 Reverse
Transmission Direct Drive, Powershift
Brakes – Service Multiple Oil Disc
Brakes – Service, surface area 3565.0 in2
Brakes – Parking Multiple Oil Disc
Brakes – Secondary Dual Circuit
Circuit Type Parallel
Pump Type Variable Piston
Pump Output 55.7 gal/min
Maximum System Pressure 3500.0 psi
Reservoir Tank Capacity 15.85 gal
Reservoir Tank Capacity 609.0 gal
Top Speed – Forward 28.4 mph
Top Speed – Reverse 22.4 mph
Turning Radius, Outside Front Tires 24.3 ft
Steering Range – Left/Right 47.5°
Articulation Angle – Left/Right 20°
Forward – 1st 2.5 mph
Forward – 2nd 3.4 mph
Forward – 3rd 4.9 mph
Forward – 4th 6.7 mph
Forward – 5th 10.4 mph
Forward – 6th 14.2 mph
Forward – 7th 19.5 mph
Forward – 8th 28.4 mph
Reverse – 1st 1.9 mph
Reverse – 2nd 3.9 mph
Reverse – 3rd 5.3 mph
Reverse – 4th 8.2 mph
Reverse – 5th 15.4 mph
Reverse – 6th 22.4 mph
Fuel Capacity 100.0 gal
Cooling System 12.9 gal
Hydraulic System – Tank 16.9 gal
Engine Oil 7.9 gal
Trans./Diff./Final Drives 16.5 gal
Tandem Housing (each) 15.6 gal
Front Wheel Spindle Bearing Housing 0.13 gal
Circle Drive Housing 1.8 gal
Drawbar – Width 3.0 in
Circle – Diameter 60.2 in
Circle – Blade Beam Thickness 1.4 in
Drawbar – Height 6.0 in
Front Frame Structure – Height 11.0 in
Front Frame Structure – Width 8.0 in
Drawbar - thickness 0.4 in
Front-top/bottom plate – width 10.0 in
Front-top/bottom plate – thickness 0.87 in
Front Axle – Height to Center 22.5 in
Front axle – height to center in
Front Axle – Total Oscillation per Side 32°
Height 19.8 in
Width 6.8 in
Sidewall Thickness – Inner 0.5 in
Sidewall Thickness – Outer 0.6 in
Drive Chain Pitch 1.8 in
Wheel Axle Spacing 59.5 in
Tandem Oscillation – Front Up 15°
Tandem Oscillation – Front Down 25°
Blade Width 12.0 ft
Moldboard – height 24.0 in
Moldboard – thickness 0.87 in
Arc Radius 16.3 in
Throat Clearance 4.9 in
Cutting Edge – Width 6.0 in
Cutting Edge – Thickness 0.6 in
End Bit – Width 6.0 in
End Bit – Thickness 0.6 in
Blade Pull – base GVW 23737.0 lb
Blade Pull – maximum GVW 29980.0 lb
Blade Down Pressure - Base GVW 15030.0 lb
Blade Down Pressure - Maximum GVW 27235.0 lb
Circle Centershift – Right 25.8 in
Circle Centershift – Left 25.8 in
Moldboard Sideshift – Right 26.0 in
Moldboard Sideshift – Left 20.1 in
Maximum Blade Position Angle 90°
Blade Tip Range – Forward 40°
Blade Tip Range – Backward
Maximum Lift above Ground 16.8 in
Maximum Depth of Cut 28.3 in
Maximum Shoulder Reach Outside of Tires – Left 68.6 in
Maximum Shoulder Reach Outside of Tires – Right 75.0 in
Ripper shank holder spacing 21.0 in
Ripping Depth – Maximum 8.9 in
Ripper Shank Holders 5
Penetration Force 17692.0 lb
Pryout Force 5660.0 lb
Machine Length Increase, Beam Raised 41.5 in
Front, V-Type, 5 or 11 Tooth – Scarifier Shank Holders 5/11
Mid, Straight – Scarifier Shank Holders 17
Mid, Straight – Scarifying Depth, Maximum 16.8 in
Mid, Straight – Scarifier Shank Holder Spacing 4.4 in
Mid, V-Type – Scarifier Shank Holders 11
Front, V-Type, 5 or 11 Tooth – Scarifier Shank Holder Spacing 4.6 in
Mid, V-Type: Scarifying depth, maximum 11.5 in
Mid, V-Type: Working width 46.6 in
Mid, Straight – Working Width 71.0 in
Front, V-Type, 5 or 11 Tooth – Scarifying Depth, Maximum 18.4 in
Mid, V-Type: Scarifier shank holder spacing 4.6 in
Mid, Straight – Ripping Depth, Maximum 12.5 in
Front, V-Type: Working Width 47.4 in
Front, V-Type, 5 or 11 Tooth – Working Width 40.6 in
Operating Weight – Typically Equipped 39892.0 lb
Gross Vehicle Weight - Maximum - Rear Axle 33312.0 lb
Gross Vehicle Weight: Maximum – total 8651.0 lb
Gross Vehicle Weight: Typically Equipped – front axle 26374.0 lb
Gross Vehicle Weight - Maximum - Total 48987.0 lb
Operating Wt, typically equipped - total 39892.0 lb
Gross Vehicle Weight - Maximum - Front Axle 15675.0 lb
Gross Vehicle Weight – Typically Equipped – Front Axle 10563.0 lb
Gross Vehicle Weight – Typically Equipped – Rear Axle 29329.0 lb
Gross Vehicle Weight: Base – total 35025.0 lb
ROPS/FOPS ISO 3471/ISO 3449
Sound ISO 6394; ISO 6395
Brakes ISO 3450
Steering ISO 5010
Note Dimension changes may vary by brand/type and inflation of tires.
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Centerline Dimension 11 4.1 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Length Front Tire to Rear of Machine Dimension 6 -0.6 in
Note U.S. EPA Tier 4 Interim/EU Stage IIIB equivalent
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.
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Width to Tire Front/Rear Tires Dimensions 12, 13 7.6 in
17.5 R25 Tire (14x25 Rim) Dimension Adjustments - Height to Dimensions 1, 2, 8, 9, 10 -0.8 in