Caterpillar
120G
Motor Grader
17 specifications

200 data points
| Operating Weight | 31,069 lb |
|---|---|
| Max Operation Weight - Total | 44,690 lb |
| Max Operation Weight - Front Axle | 16,312 lb |
| Max Operation Weight - Rear Axle | 28,378 lb |
| Std Operation Weight - Total | 31,069 lb |
| Fuel Capacity | 90.0 gal |
| Std Operation Weight - Front Axle | 8,233 lb |
| Std Operation Weight - Rear Axle | 22,836 lb |
| Hydraulic System Fluid Capacity | 15.9 gal |
| Tandem Case Fluid Capacity (each) | 16.9 gal |
| Cooling System Fluid Capacity | 10.4 gal |
| Circle Gearbox Fluid Capacity | 1.8 gal |
| Rear Diff/Final Drive Fluid Capacity | 13.2 gal |
| Articulation Angle - Left/Right | 20 ° |
| Forward - 1st | 2.4 mph |
| Forward - 2nd | 3.3 mph |
| Forward - 3rd | 4.8 mph |
| Forward - 4th | 6.5 mph |
| Forward - 5th | 10.2 mph |
| Forward - 6th | 13.8 mph |
| Reverse - 1st | 2 |
| Reverse - 2nd | 3.8 mph |
| Reverse - 3rd | 5.6 mph |
| Steering Range - Left/Right | 48 ° |
| Top Speed - Forward | 27.7 mph |
| Top Speed - Reverse | 23.5 mph |
| Turning Radius - Outside Front Tires | 294 in |
| Forward - 7th | 19.0 mph |
| Forward - 8th | 27.7 mph |
| Reverse - 4th | 8.6 mph |
| Reverse - 5th | 16.1 mph |
| Reverse - 6th | 23.5 mph |
| Engine Model | Cat C6.6 ACERT |
|---|---|
| Displacement | 403 in³ |
| Power Measured @ | 2,000 rpm |
| Number of Cylinders | 6 |
| Stroke | 5 in |
| Bore | 4 in |
| Max Power | 138.0 hp |
| Net Power Gears 7-8 | 138.0 hp |
| Emissions | U.S. EPA Tier 3/EU Stage IIIA equivalent |
| Base Power (1st Gear) - Net | 138.0 hp |
| Derating Altitude | 138,000 in |
| Maximum Torque | 690 lb-ft |
| High - Ambient Capability | 122 ° |
| Standard - Ambient Capability | 109 ° |
| Base Power (All Gears) - Net | 138.0 hp |
| V Plus Range - Net | 138.1 – 182.4 hp |
| Base Power (1st Gear) - Net - Metric | 140.0 hp |
| V Plus Range - Net - Metric | 138.1 – 182.4 hp |
| High Ambient - Fan Speed - Minimum | 600 rpm |
| Speed at Rated Power | 2,000 rpm |
| High Ambient - Fan Speed - Maximum | 1,650 rpm |
| V Range - Net | 138.1 – 152.9 hp |
| Torque Rise - V Plus | 40.0 % |
| Standard - Fan Speed - Minimum | 600 rpm |
| Standard - Fan Speed - Maximum | 1,150 rpm |
| Operating Weight - Typically Equipped | 40,565 lb |
|---|---|
| Gross Vehicle Weight - Maximum - Front Axle | 15,077 lb |
| Gross Vehicle Weight - Maximum - Rear Axle | 33,523 lb |
| Gross Vehicle Weight - Maximum - Total | 48,601 lb |
| Gross Vehicle Weight - Base - Front Axle | 9,303 lb |
| Gross Vehicle Weight - Base - Rear Axle | 26,479 lb |
| Gross Vehicle Weight - Base - Total | 35,783 lb |
| Gross Vehicle Weight - Typically Equipped - Front Axle | 11,221 lb |
| Gross Vehicle Weight - Typically Equipped - Total | 40,565 lb |
| Pump Flow | 40.0 gal/min |
|---|---|
| Pump Type | Variable piston |
| Relief Valve Pressure | 3,500 psi |
| Maximum system pressure | 3,500 psi |
| Circuit Type | Electro-hydraulic load sensing closed center |
| Pump Output | 40.0 gal/min |
| Standby Pressure | 450 psi |
| Height - Top of Cab | 130 in |
|---|---|
| Wheelbase | 233 in |
| Overall Length | 335 in |
| Width Over Tires | 98 in |
| Height to Top of Isomount Cab | 130 in |
| Blade Base | 100 in |
| Tandem Axle Wheelbase | 60 in |
| Front Ground Clearance | 23 in |
| Rear Ground Clearance | 15 in |
| Width - Outside Rear Tires | 98 in |
| Height - Front Axle Center | 23 in |
| Length - Between Tandem Axles | 60 in |
| Length - Front Axle to Moldboard | 99 in |
| Width - Outside Front Tires | 98 in |
| Length - Front Tire to Rear of Machine | 334 in |
| Height - Top of Cylinders | 114 in |
| Width - Tire Center Lines | 84 in |
| Length - Front Axle to Mid Tandem | 233 in |
| Ground Clearance - Rear Axle | 14 in |
| Height - Exhaust Stack | 112 in |
| Length - Counterweight to Ripper | 389 in |
| Max Speed - Forward | 27.7 mph |
|---|---|
| Max Speed - Reverse | 23.5 mph |
| Number of Gears - Forward | 8 |
| Number of Gears - Reverse | 6 |
| Transmission Type | direct drive power shift countershaft |
| Moldboard Height | 24 in |
|---|---|
| Moldboard Width | 144 in |
| Moldboard Thickness | 1 in |
| Side Shift Left | 20 in |
| Side Shift Right | 26 in |
| Max Depth of Cut | 28 in |
| Blade Pull at Max Weight | 40,221 lb |
| Blade Down Pressure | 28,887 lb |
| Moldboard Length | 144 in |
| Arc Radius | 16 in |
| Blade Width | 144 in |
| Cutting Edge Thickness | 1 in |
| Cutting Edge Width | 6 in |
| End Bit - Thickness | 1 in |
| End Bit - Width | 6 in |
| Throat Clearance | 5 in |
| Blade Pull - Maximum GVW | 24,218 lb |
| Blade Down Pressure - Base GVW | 16,435 lb |
| Blade Down Pressure - Maximum GVW | 29,125 lb |
| Blade Pull - Base GVW | 20,350 lb |
| Maximum Shoulder Reach Outside of Tires - Left | 69 in |
|---|---|
| Maximum Shoulder Reach Outside of Tires - Right | 75 in |
| Moldboard Sideshift - Left | 20 in |
| Moldboard Sideshift - Right | 26 in |
| Maximum Lift Above Ground | 17 in |
| Blade Tip Range - Backward | 5 ° |
| Blade Tip Range - Forward | 40 ° |
| Circle Centershift - Left | 26 in |
| Circle Centershift - Right | 26 in |
| Maximum Blade Position Angle | 90 ° |
| Maximum Depth of Cut | 28 in |
| Brakes | ISO 3450:1996 |
|---|---|
| ROPS/FOPS | ISO 3471:1992 / ISO 3449:1992 |
| Sound | ISO 6394:1998 / ISO 6395:1988 |
| Steering | ISO 5010:1992 |
| Max Lift Above Ground | 17 in |
|---|---|
| Max Reach Outside Tires - Left | 69 in |
| Max Reach Outside Tires - Right | 75 in |
| Diameter | 60 in |
| Blade Tip Angle - Front | 40 ° |
| Blade Tip Angle - Rear | 5 ° |
| Shift Left | 26 in |
| Shift Right | 26 in |
| Wheel Lean | 18 ° |
|---|---|
| Oscillation - Total | 32 ° |
| Ground Clearance | 23 in |
| Turning Radius | 294 in |
|---|---|
| Articulation Angle | 20 ° |
| Brakes - Parking | Multiple oil disc |
|---|---|
| Brakes - Secondary | Dual circuit control system |
| Brakes - Service | Multiple oil-disc |
| Brakes - Service - Surface Area | 3,565 in³ |
| Forward/Reverse Gears | 8 Fwd / 6 Rev |
| Transmission | Direct drive power shift countershaft |
| Cooling System | 8.7 gal |
|---|---|
| Circle Drive Housing | 1.8 gal |
| Engine Oil | 3.7 gal |
| Front Wheel Spindle Bearing Housing | 0.1 gal |
| Fuel Capacity | 90.0 gal |
| Hydraulic System - Tank | 16.9 gal |
| Tandem Housing - Each | 15.6 gal |
| Transmission - Differential - Final Drives | 16.5 gal |
| Penetration Force | 17,705 lb |
|---|---|
| Pry-Out Force | 26,303 lb |
| Ripper Shank Holders | 5 |
| Ripping Depth - Maximum | 17 in |
| Machine Length Increase, Beam Raised | 39 in |
| Ripper Shank Holder Spacing | 21 in |
| Front Frame Structure - Height | 11 in |
|---|---|
| Front Frame Structure - Width | 11 in |
| Circle - Blade Beam Thickness | 1 in |
| Circle - Diameter | 60 in |
| Drawbar - Height | 6 in |
| Front Axle - Height to Center | 23 in |
| Front Axle - Total Oscillation per Side | 32 ° |
| Front Axle - Wheel Lean - Left/Right | 18 ° |
| Drawbar - Width | 3 in |
| Drawbar - Thickness | 0 in |
| Drive Chain Pitch | 2 in |
|---|---|
| Height | 20 in |
| Sidewall Thickness - Inner | 1 in |
| Sidewall Thickness - Outer | 1 in |
| Tandem Oscillation - Front Down | 25 ° |
| Tandem Oscillation - Front Up | 15 ° |
| Wheel Axle Spacing | 60 in |
| Width | 7 in |
| Front, V-Type, 5 or 11 Tooth - Scarifier Shank Holder Spacing | 5 in |
|---|---|
| Front, V-Type, 5 or 11 Tooth - Scarifying Depth, Maximum | 18 in |
| Front, V-Type, 5 or 11 Tooth - Working Width | 47 in |
| Mid, V-Type - Scarifier Shank Holder Spacing | 5 in |
| Mid, V-Type - Scarifier Shank Holders | 11 |
| Mid, V-Type - Scarifying Depth, Maximum | 12 in |
| Mid, V-Type - Working Width | 47 in |
| Rear - Scarifier Shank Holder Spacing | 11 in |
| Rear - Scarifier Shank Holders | 9 |
| Rear - Scarifying Depth, Maximum | 11 in |
| Rear - Working Width | 91 in |
| Mid, Straight - Scarifier Shank Holder Spacing | 4 in |
| Mid, Straight - Scarifier Shank Holders | 17 |
| Mid, Straight - Scarifying Depth, Maximum | 13 in |
| Mid, Straight - Working Width | 71 in |
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