120M Motor Grader

November 13th, 2007

Company:

Category:


 


 


 


 




























































































































































































































































































































































































































































































































































































































































































































































































































































































Engine

Units:  US 


Base Power (all gears) Net


138 hp



Engine Model


Cat® C6.6 ACERT VHP



Displacement


403 in3



Bore


4.13 in



Stroke


4.92 in



Speed @ rated power


2000 RPM



Number of cylinders


6



Derating altitude


11500 ft



Std – Fan speed – max


1150 RPM



Std – Fan speed – min


550 RPM



Std – Ambient Capability


109 ° F



Hi Ambient – Fan speed – max


1650 RPM



Hi Ambient – Fan speed – min


550 RPM



Hi Ambient Capability


122 ° F




Weights



Gross Vehicle Weight – base


31069 lb



Gross Vehicle Weight, max


44690 lb



Gross Vehicle Wt, max – front axle


16312 lb



Gross Vehicle Wt, max – rear axle


28378 lb



Gross Vehicle Wt, base – front axle


8233 lb



Gross Vehicle Wt, base – rear axle


22836 lb




Moldboard



Blade width


12 ft



Moldboard – height


24 in



Moldboard – thickness


.87 in



Arc radius


16.3 in



Throat clearance


4.9 in



Cutting edge – width


6 in



Cutting edge – thickness


.6 in



End Bit – width


6 in



End Bit – thickness


.6 in



Blade Pull – base GVW


20553 lb



Blade Pull – max GVW


25540 lb



Blade Pull – base GVW (AWD)


29312 lb



Blade Pull – max GVW (AWD)


40221 lb



Down Pressure – base GVW


14581 lb



Down Pressure – max GVW


28887 lb




Frame



Drawbar – thickness


.4 in



Drawbar – yoke bar thickness


.75 in



Drawbar – width


3 in



Circle – diameter


60.2 in



Circle – blade beam thickness


1.4 in



Drawbar – height


6 in



Front axle – height to center


22.5 in



Front axle – wheel lean, left/right


18°



Front axle – total oscillation per side


32°




Operating Specifications



Top Speed – Fwd.


27.7 mph



Top Speed – Rev.


23.5 mph



Turning radius, outside front tires


24.5 ft



Steering range – left/right


47.5°



Articulation angle – left/right


20°



Fwd. 1st


2.4 mph



Fwd. 2nd


3.3 mph



Fwd. 3rd


4.75 mph



Fwd. 4th


6.5 mph



Fwd. 5th


10.2 mph



Fwd. 6th


13.8 mph



Fwd. 7th


19 mph



Fwd. 8th


27.7 mph



Rev. 1st


2 mph



Rev. 2nd


3.8 mph



Rev. 3rd


5.6 mph



Rev. 4th


8.6 mph



Rev. 5th


16.1 mph



Rev. 6th


23.5 mph




Service Refill



Fuel Capacity


90 gal



Cooling system


10.4 gal



Hydraulic system – tank


15.9 gal



Engine Oil


4.1 gal



Trans./Diff./Final Drives


13.2 gal



Tandem housing (each)


16.9 gal



Front wheel spindle bearing housing


.1 gal



Circle drive housing


1.8 gal




Power Train



Forward/Reverse Gears


8 Fwd / 6 Rev



Transmission


Direct drive, power shift, countershaft



Brakes – Service


Multiple oil-disc



Brakes – Service, surface area


3565 in2



Brakes – Parking


Multiple oil disc



Brakes – Secondary


Dual circuit control system




Hydraulic System



Circuit type


Electro-hydraulic load sensing, closed center



Pump type


Variable piston



Pump output


40 gal/min



Maximum system pressure


3500 psi



Standby Pressure


450 psi




All-Wheel Drive System (Optional)



Motor Type


2 Infinitely variable axial piston



Pump Type


2 Variable piston



Torque – max


10325 ft-lb



Operational Gears – forward


1 – 7



Operational Gears – reverse


1 – 5




Blade Range



Circle centershift – right


25.8 in



Circle centershift – left


25.8 in



Moldboard sideshift – right


26 in



Moldboard sideshift – left


20.1 in



Maximum blade position angle


90°



Blade tip range – forward


40°



Blade tip range – backward




Maximum shoulder reach outside of tires – right


75 in



Maximum shoulder reach outside of tires – left


68.6 in



Maximum lift above ground


16.8 in



Maximum depth of cut


28.3 in




Ripper



Ripping depth, maximum


16.8 in



Ripper shank holders


5



Penetration force


17740 lb



Pryout force


20461 lb



Machine length increase, beam raised


36.2 in




Scarifier



Rear: Working width


91 in



Rear: Scarifier shank holders


9



Rear: Scarifier shank holder spacing


10.5 in




Tandems



Height


19.76 in



Width


6.76 in



Sidewall thickness – inner


.5 in



Sidewall thickness – outer


.6 in



Drive chain pitch


1.8 in



Wheel axle spacing


59.5 in



Tandem oscillation – front up


15°



Tandem oscillation – front down


25°




Dimensions



Height – top of cab


129 in



Length – counterweight to ripper


389.3 in



Width – outside front tires


97.7 in



Length – front axle to mid tandem


232.8 in



Length – front tire to rear of machine


334.1 in



Length – front axle to moldboard


98.85 in



Length – between tandem axles


59.5 in



Width – outside rear tires


97.7 in



Width – tire center lines


84.1 in



Height – front axle center


22.5 in



Height to exhaust stack


112.4 in



Height to top of cylinders


113.7 in



Ground clearance at rear axle


13.6 in

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