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120 GC
18 Motor Grader

Engine

Net Power - ISO 9249/SAE J1349 171 HP - -
Stroke 5 in 6.2 in -
Derating Altitude 9842 ft - -
Bore 4.1 in 5.1 in -
Engine Model Cat® C4.4 Cat® C13 -
Torque Rise - ISO 9294 21% - -
Maximum Torque 544 lb/ft - -
Displacement 268.5 in³ 763 in³ -
Engine Power AWD (ISO 14396) 128 kW - -
Note (1) Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269 standards in effect at the time of manufacture. Net power advertised is the power available at rated speed of 2,000 rpm, measured at the flywheel when engine is equipped with fan, air cleaner, - -
Emissions Meets U.S. EPA Tier 4 Final, EU Stage V and Korea Tier 5 emission standards - -
Base Power (1st Gear) - Net - 304 HP -
Speed at Rated Power - 2,000 rpm -
Standard - Ambient Capability - 122 °F -
Base Power (1st Gear) - Net - Metric - 309 HP -
VHP Range - Net - 227-266 kW (304-357 hp) -
Maximum Torque - ISO 9249 - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent - 1270 lb/ft -
Derating Altitude - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent - 12176 ft -
Derating Altitude - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent - 12973 ft -
Maximum Torque - ISO 9249 - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent - 1270 lb/ft -
Standard - Fan Speed - Minimum - 550 rpm -
Emissions (1) - U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final) -
Torque Rise - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) - 40% -
Maximum Torque - ISO 9249 - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) - 1306 lb/ft -
Derating Altitude - Tier 4/Stage IV/Japan 2014 (Tier 4 Final) - 12500 ft -
Torque Rise - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent - 38% -
Standard - Fan Speed - Maximum - 1,450 rpm -
Emissions (2) - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent Emission Standards -
Torque Rise - Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent - 38% -
VHP Range - Net - Metric - 227-266 kW (309-362 hp) -
Emissions (3) - Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards -
Optimized VHP Range - Net - 227-266 kW (304-357 hp) -
Number of Cylinders - 6 -

Weights

Operating Weight - Typically Equipped 14496 lb 74324 lb -

Moldboard

Blade Width 12 ft 18 ft -
Cutting Edge Width 6 in 10 in -
Throat Clearance 4.7 in 5 in -
Arc Radius 16.3 in 16.3 in -
End Bit - Width 152 in 6 in -
Blade Height 20 in - -
Down Force - Maximum GVW - 43861 lb -
Blade Pull* - Base GVW - 47216 lb -
Blade Pull* - Maximum GVW - 52878 lb -
Down Force - Base GVW - 34008 lb -
Cutting Edge Thickness - 1.4 in -
Thickness - 1 in -
Width - 18 ft -
End Bit - Thickness - 0.75 in -
Height - 31 in -
Note - *Blade pull calculated at 0.9 traction coefficient, which is equal to ideal no-slip conditions, and Gross Machine Weight. -

Machine Weight

All-Wheel Drive (AWD) Weight 36376 lb - -

Dimensions

Length of Machine* 391.4 in - -
Maximum Height 149.1 in - -
Width 94.6 in - -
Note *Typically equipped with push block and ripper. - -

Blade Range

Blade Tip Range - Backward -
Moldboard Sideshift - Right 26.1 in 31.1 in -
Moldboard Sideshift - Left 20.2 in 29.1 in -
Maximum Lift Above Ground 16.1 in 15.7 in -
Circle Centershift - Left 25.8 in 27.2 in -
Blade Tip Range - Forward 40° 40° -
Circle Centershift - Right 25.8 in 22 in -
Maximum Depth of Cut 30.5 in 18.5 in -
Maximum Blade Position Angle - 65° -
Maximum Shoulder Reach Outside of Tires - Right - 103 in -
Maximum Shoulder Reach Outside of Tires - Left - 103 in -

Service Refill Capacities

Cooling System 10.3 gal (US) - -
Circle Drive without Slip Clutch 0.4 gal (US) - -
Hydraulic System 14.5 gal (US) - -
Circle Drive with Slip Clutch 1.8 gal (US) - -
Transmission 4.5 gal (US) - -
Diesel Exhaust Fluid Tank (Tier 4 Only) 3.2 gal (US) - -
Fuel Tank 71 gal (US) - -
Engine Crankcase 2 gal (US) - -

Sustainability

Recyclability 92% - -

Service Refill

Fuel Capacity - 131 gal (US) -
Cooling System - 18.5 gal (US) -
Hydraulic System - Tank - 18.5 gal (US) -
Hydraulic System - Total - 38.6 gal (US) -
DEF Tank - 4.2 gal (US) -
Engine Oil - 9.5 gal (US) -
Transmission - Differential - Final Drives - 26 gal (US) -
Tandem Housing - Each - 34 gal (US) -
Front Wheel Spindle Bearing Housing - 0.24 gal (US) -
Circle Drive Housing - 2.6 gal (US) -

Power Train

Forward/Reverse Gears - 8 Forward/6 Reverse -
Transmission - Direct drive, power shift, countershaft -
Brakes - Parking - Spring applied, hydraulically released -
Brakes - Dynamic Brake Torque per Wheel - 27069.27 lb/ft -
Brakes - Service - Oil-actuated, oil disc -
Brakes - Secondary - Oil-actuated, oil-disc -

Hydraulic System

Circuit Type - Electro-hydraulic load sensing, closed center -
Pump Type - Variable piston -
Maximum System Pressure - 3590 psi -
Standby Pressure - 856 psi -
Pump Output* - 74 gal/min -
Note - *Pump output measured at 2,150 rpm. -

Operating Specifications

Forward - 6th - 16 mile/h -
Forward - 2nd - 3.8 mile/h -
Forward - 8th - 32.1 mile/h -
Forward - 5th - 11.8 mile/h -
Reverse - 3rd - 6 mile/h -
Turning Radius - Outside Front Tires - 30.5 ft -
Forward - 4th - 7.6 mile/h -
Top Speed - Reverse - 25.3 mile/h -
Forward - 7th - 22 mile/h -
Articulation Angle - Left/Right - 20° -
Reverse - 1st - 2.2 mile/h -
Forward - 3rd - 5.5 mile/h -
Reverse - 4th - 9.3 mile/h -
Forward - 1st - 2.8 mile/h -
Top Speed - Forward - 32.1 mile/h -
Reverse - 6th - 25.3 mile/h -
Steering Range - Left/Right - 47.5° -
Reverse - 2nd - 4.1 mile/h -
Reverse - 5th - 17.4 mile/h -
Note - Calculated with no slip and 23.5R25 L-3 tires. -

Frame

Front Frame Structure - Width - 14 in -
Front Axle - Height to Center - 26.4 in -
Circle - Diameter - 71.7 in -
Front Frame Structure - Thickness - 0.6 in -
Front Frame Structure - Height - 18.1 in -
Circle - Blade Beam Thickness - 2 in -
Drawbar - Width - 3 in -
Front Axle - Wheel Lean - 18° Left/17° Right -
Front Axle - Total Oscillation per Side - 35° -
Drawbar - Height - 8 in -

Tandems

Sidewall Thickness - Outer - 0.9 in -
Sidewall Thickness - Inner - 0.9 in -
Tandem Oscillation - Front Up - 15° -
Tandem Oscillation - Front Down - 25° -
Height - 25.5 in -
Width - 9.3 in -
Drive Chain Pitch - 2.5 in -
Wheel Axle Spacing - 72.5 in -

Ripper

Shank Holder Spacing - Minimum - 17.5 in -
Ripping Depth - Maximum - 17.8 in -
Shank Holder Spacing - Maximum - 20 in -
Ripper Shank Holders - 7 -
Penetration Force - 30311 lb -
Pry-Out Force - 43700 lb -
Machine Length Increase, Beam Raised - 63.4 in -

Weights Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)*

Gross Vehicle Weight - Typically Equipped - Rear Axle - 53830 lb -
Gross Vehicle Weight - Base** - Total - 72298 lb -
Gross Vehicle Weight - Maximum Tested - Rear Axle - 58753 lb -
Gross Vehicle Weight - Maximum Tested - Front Axle - 26125 lb -
Gross Vehicle Weight - Typically Equipped - Front Axle - 20494 lb -
Gross Vehicle Weight - Base** - Front Axle - 19837 lb -
Gross Vehicle Weight - Maximum Tested - Total - 84877 lb -
Gross Vehicle Weight - Typically Equipped - Total - 74324 lb -
Gross Vehicle Weight - Base** - Rear Axle - 52461 lb -
Note (2) - **Base operating weight calculated on standard machine configuration with 23.5R25 tires, full fuel tank operator and rops cab. -
Note (1) - *No Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final) emission engine: subtract 150 kg (331 lb) from rear axle wt. & total wt. -

Dimensions (Approximate)

Height - Top of Cylinders - 122.6 in -
Width - Outside Rear Tires - 134.3 in -
Height - Exhaust Stack - 141.1 in -
Length - Between Tandem Axles - 72.5 in -
Length - Front Axle to Mid Tandem - 290 in -
Width - Tire Center Lines - 106.4 in -
Length - Front Axle to Moldboard - 120.7 in -
Length - Counterweight to Ripper - 474.4 in -
Height - Front Axle Center - 29.9 in -
Width - Outside Front Tires - 134.3 in -
Length - Front Tire to Rear of Machine - Including Tow Hitch - 417 in -
Height - Top of Cab - 147.5 in -
Ground Clearance - Rear Axle - 16.7 in -

Standards

Sound - ISO 6394: 2008/ISO 6395: 2008/ISO 6396: 2008 -
ROPS/FOPS - ISO 3471: 2008/ISO 3449: 2005 -
Brakes - ISO 3450: 2011 -
Steering - ISO 5010: 2007 -

Variable Power Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final), Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent or Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards - Metric

Gear - Forward 1st - 309 HP -
Gear - Forward 2nd - 309 HP -
Gear - Reverse 2nd - 309 HP -
Gear - Forward 4th - 325 HP -
Gear - Forward 6th - 341 HP -
Gear - Forward 5th - 332 HP -
Gear - Forward 8th - 362 HP -
Gear - Reverse 1st - 309 HP -
Gear - Forward 3rd - 315 HP -
Gear - Forward 7th - 347 HP -
Gear - Reverse 3rd-6th - 315 HP -

Optional Tire Arrangements

Wheel Group - 19.5×25 MP (2) - Tires: 23.5R25 Bridgestone VKT 1 Star -
Wheel Group - 19.5×25 MP (1) - Tires: 23.5R25 Bridgestone VKT 2 Star -
Wheel Group - 19.5×25 MP (3) - Tires: 23.5R25 Bridgestone VJT 1 Star -
Wheel Group - 19.5×25 MP (4) - Tires: 23.5R25 Michelin XHA 2 Star -
Wheel Group - 19.5×25 MP (5) - Tires: 23.5R25 Michelin XLDD 2 Star L5 -

Variable Power Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final), Tier 3/Stage IIIA/Japan 2006 (Tier 3) Equivalent or Tier 2/Stage II/Japan 2001 (Tier 2) Equivalent Emission Standards - Net

Gear - Forward 4th - 321 HP -
Gear - Reverse 2nd - 304 HP -
Gear - Forward 1st - 304 HP -
Gear - Reverse 3rd-6th - 311 HP -
Gear - Forward 3rd - 311 HP -
Gear - Forward 5th - 327 HP -
Gear - Forward 7th - 342 HP -
Gear - Forward 2nd - 304 HP -
Gear - Reverse 1st - 304 HP -
Gear - Forward 6th - 337 HP -
Gear - Forward 8th - 357 HP -
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