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 120M Motor Grader 

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The 120M delivers multiple technological breakthroughs to give you the best return on your investment.

 

The 120M delivers multiple technological breakthroughs to give you the best return on your investment.


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Specifications
Engine
Base Power (all gears) Net103 kW138 hp
Engine ModelCat® C6.6 ACERT™ VHP
Displacement6.6 L403 in3
Bore105 mm4.13 in
Stroke125 mm4.92 in
Speed @ rated power2000 RPM
Number of cylinders6
Derating altitude3505 m11500 ft
Std - Fan speed - max1150 RPM
Std - Fan speed - min550 RPM
Std - Ambient Capability43 ° C109 ° F
Hi Ambient - Fan speed - max1650 RPM
Hi Ambient - Fan speed - min550 RPM
Hi Ambient Capability50 ° C122 ° F
 
Power Train
Forward/Reverse Gears8 Fwd / 6 Rev
TransmissionDirect drive, power shift, countershaft
Brakes - ServiceMultiple oil-disc
Brakes - Service, surface area23000 cm23565 in2
Brakes - ParkingMultiple oil disc
Brakes - SecondaryDual circuit control system
 
All-Wheel Drive System (Optional)
Motor Type2 Infinitely variable axial piston
Pump Type2 Variable piston
Torque - max13998 N·m10325 ft-lb
Operational Gears - forward1 - 7
Operational Gears - reverse1 - 5
 
Hydraulic System
Circuit typeElectro-hydraulic load sensing, closed center
Pump typeVariable piston
Pump output151 L/min40 gal/min
Maximum system pressure24100 kPa3500 psi
Standby Pressure3100 kPa450 psi
 
Operating Specifications
Top Speed - Fwd.44.5 km/h27.7 mph
Top Speed - Rev.37.8 km/h23.5 mph
Turning radius, outside front tires7.5 m24.5 ft
Steering range - left/right47.5°
Articulation angle - left/right20°
Fwd. 1st3.9 km/h2.4 mph
Fwd. 2nd5.3 km/h3.3 mph
Fwd. 3rd7.6 km/h4.75 mph
Fwd. 4th10.5 km/h6.5 mph
Fwd. 5th16.4 km/h10.2 mph
Fwd. 6th22.2 km/h13.8 mph
Fwd. 7th30.6 km/h19 mph
Fwd. 8th44.5 km/h27.7 mph
Rev. 1st3.3 km/h2 mph
Rev. 2nd6.2 km/h3.8 mph
Rev. 3rd8.9 km/h5.6 mph
Rev. 4th13.9 km/h8.6 mph
Rev. 5th26 km/h16.1 mph
Rev. 6th37.8 km/h23.5 mph
 
Service Refill
Fuel Capacity378 L100 gal
Cooling system33 L8.7 gal
Hydraulic system - tank64 L16.9 gal
Engine Oil14 L3.7 gal
Trans./Diff./Final Drives62.5 L16.5 gal
Tandem housing (each)59 L15.6 gal
Front wheel spindle bearing housing.5 L.1 gal
Circle drive housing7 L1.8 gal
 
Frame
Drawbar - thickness9.5 mm.4 in
Drawbar - yoke bar thickness19.1 mm.75 in
Drawbar - width76.2 mm3 in
Circle - diameter1530 mm60.2 in
Circle - blade beam thickness35 mm1.4 in
Drawbar - height152 mm6 in
Front axle - height to center572 mm22.5 in
Front axle - wheel lean, left/right18°
Front axle - total oscillation per side32°
 
Tandems
Height502 mm19.76 in
Width171.7 mm6.76 in
Sidewall thickness - inner14 mm.5 in
Sidewall thickness - outer16 mm.6 in
Drive chain pitch44.5 mm1.8 in
Wheel axle spacing1510 mm59.5 in
Tandem oscillation - front up15°
Tandem oscillation - front down25°
 
Moldboard
Blade width3.668 m12 ft
Moldboard - height610 mm24 in
Moldboard - thickness22 mm.87 in
Arc radius413 mm16.3 in
Throat clearance123.9 mm4.9 in
Cutting edge - width152.4 mm6 in
Cutting edge - thickness16 mm.6 in
End Bit - width152.4 mm6 in
End Bit - thickness16 mm.6 in
Blade Pull - base GVW9323 kg20553 lb
Blade Pull - max GVW11585 kg25540 lb
Blade Pull - base GVW (AWD)13296 kg29312 lb
Blade Pull - max GVW (AWD)18244 kg40221 lb
Down Pressure - base GVW6614 kg14581 lb
Down Pressure - max GVW13103 kg28887 lb
 
Blade Range
Circle centershift - right656 mm25.8 in
Circle centershift - left656 mm25.8 in
Moldboard sideshift - right660 mm26 in
Moldboard sideshift - left510 mm20.1 in
Maximum blade position angle90°
Blade tip range - forward40°
Blade tip range - backward
Maximum shoulder reach outside of tires - right1905 mm75 in
Maximum shoulder reach outside of tires - left1742 mm68.6 in
Maximum lift above ground427 mm16.8 in
Maximum depth of cut720 mm28.3 in
 
Ripper
Ripping depth, maximum428 mm16.8 in
Ripper shank holders5
Penetration force8047 kg17740 lb
Pryout force9281 kg20461 lb
Machine length increase, beam raised919 mm36.2 in
 
Scarifier
Rear: Working width2300 mm91 in
Rear: Scarifier shank holders9
Rear: Scarifier shank holder spacing267 mm10.5 in
 
Weights
Gross Vehicle Weight - base14093 kg31069 lb
Gross Vehicle Weight, max20271 kg44690 lb
Gross Vehicle Wt, max - front axle7399 kg16312 lb
Gross Vehicle Wt, max - rear axle12872 kg28378 lb
Gross Vehicle Wt, base - front axle3735 kg8233 lb
Gross Vehicle Wt, base - rear axle10358 kg22836 lb
 
Dimensions
Height - top of cab3278 mm129 in
Length - counterweight to ripper9889 mm389.3 in
Width - outside front tires2481 mm97.7 in
Length - front axle to mid tandem5915 mm232.8 in
Length - front tire to rear of machine8488 mm334.1 in
Length - front axle to moldboard2511 mm98.85 in
Length - between tandem axles1511 mm59.5 in
Width - outside rear tires2481 mm97.7 in
Width - tire center lines2136 mm84.1 in
Height - front axle center572 mm22.5 in
Height to exhaust stack2855 mm112.4 in
Height to top of cylinders2890 mm113.7 in
Ground clearance at rear axle347 mm13.6 in

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