Komatsu
Caterpillar
120G
Motor Grader
17 specifications
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Image 1 of 5
Specifications
69 data points
Operating Specifications
| Operating Weight | 30,950 lb |
|---|---|
| Std Operation Weight - Total | 30,953 lb |
| Tire Size | Low pressure tubeless 14.00 X 24 12 ply rating - G2 |
| Fuel Capacity | 89.9 gal |
| Std Operation Weight - Front Axle | 8,819 lb |
| Std Operation Weight - Rear Axle | 22,134 lb |
| Hydraulic System Fluid Capacity | 22.5 gal |
| Tandem Case Fluid Capacity (each) | 21.9 gal |
| Operating Voltage | 24 V |
| Cooling System Fluid Capacity | 11.1 gal |
| Alternator Supplied Amperage | 90 A |
| Transmission Fluid Capacity | 11.9 gal |
| Circle Gearbox Fluid Capacity | 1.5 gal |
| Oil System Fluid Capacity | 3.8 gal |
Engine
| Engine Model | SAA6D102E-2 |
|---|---|
| Displacement | 359 in³ |
| Power Measured @ | 2,000 rpm |
| Number of Cylinders | 6 |
| Aspiration | Turbocharged and aftercooled |
| Torque Measured @ | 1,500 rpm |
| Max Power | 160.0 hp |
| Net Power Gears 7-8 | 160.0 hp |
| Net Torque Gears 7-8 | 538 lb-ft |
| Net Power Gear 5-6 | 160.0 hp |
| Net Power Gear 1-2 | 140.0 hp |
| Net Power Gear 4-6 | 160.0 hp |
| Base Power (1st Gear) - Net | 140.0 hp |
| Net Torque Gears 5-6 | 538 lb-ft |
| Net Torque Gears 1-2 | 425 lb-ft |
| Net Torque Gears 3-4 | 538 lb-ft |
Hydraulic System
| Pump Flow | 54.0 gal/min |
|---|---|
| Pump Type | Closed Center Load Sensing System (CLSS) hydraulics |
| Relief Valve Pressure | 3,000 psi |
Dimensions
| Wheelbase | 230 in |
|---|---|
| Overall Length | 371 in |
| Width Over Tires | 100 in |
| Height to Top of Isomount Cab | 122 in |
| Blade Base | 98 in |
| Tandem Axle Wheelbase | 60 in |
Transmission
| Max Speed - Forward | 26.7 mph |
|---|---|
| Max Speed - Reverse | 24.3 mph |
| Number of Gears - Forward | 8 |
| Number of Gears - Reverse | 4 |
| Transmission Type | Full power shift transmission |
Moldboard
| Moldboard Height | 26 in |
|---|---|
| Moldboard Width | 144 in |
| Moldboard Thickness | 1 in |
| Side Shift Left | 32 in |
| Side Shift Right | 32 in |
| Max Depth of Cut | 33 in |
| Moldboard Length | 144 in |
Blades
| Maximum Shoulder Reach Outside of Tires - Left | 79 in |
|---|---|
| Maximum Shoulder Reach Outside of Tires - Right | 79 in |
| Moldboard Sideshift - Left | 25 in |
| Moldboard Sideshift - Right | 25 in |
Circle
| Max Lift Above Ground | 19 in |
|---|---|
| Max Reach Outside Tires - Left | 79 in |
| Max Reach Outside Tires - Right | 79 in |
| Diameter | 60 in |
| Blade Tip Angle - Front | 40 ° |
| Rotation | 360 ° |
| Blade Tip Angle - Rear | 5 ° |
| Shift Left | 25 in |
| Shift Right | 25 in |
Front Axle
| Wheel Lean | 20 ° |
|---|---|
| Oscillation - Total | 32 ° |
| Ground Clearance | 24 in |
Steering System
| Turning Radius | 269 in |
|---|---|
| Articulation Angle | 23 ° |
Comparable machines
Other motor graders in a similar weight class.
