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Caterpillar 120
Configuration: Tier 4 Final/Stage V, non-AWD, lever/steering-wheel controls, typically equipped (3.7 m / 12 ft blade, 14.00R24 tires, push plate, ripper).
22 sourced values · Sources: Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24
Dimension diagram
| A | Overall length | 9,838 mm |
| B | Overall height | 3,465 mm |
| C | Wheelbase | 5,945 mm |
| D | Ground clearance | 349 mm |
| E | Overall width | 2,495 mm |
| F | Track gauge / tread | 2,070 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 16,271 kg | Published: 16,271 kg Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Typically equipped (3.7 m blade, 14.00R24 tires, push plate, ripper, bottom guard, operator, full fluids), lever/steering wheel. Base machine 14,272 kg. |
| Max gross (laden) weight | Not published | Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 Not published as such. Blade pull advantage max GVW 12,402 kg (rear-axle figure). |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Wheeled, articulated frame, tandem rear drive | Published: Wheeled, articulated frame, tandem rear drive Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 |
| Number of axles | 3 | Published: 3 Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 |
| Wheels (count) | 6 | Published: 6 Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 |
| Tire size | 14.00R24 | Published: 14.00R24 Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Typically equipped configuration. |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | Not published | Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 Not published. |
Axle loads
| Spec | Value | Source |
|---|---|---|
| Axle load, front (unladen/operating) | 4,372 kg | Published: 4,372 kg Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Typically equipped, lever/steering wheel, Tier 4. |
| Axle load, rear (unladen/operating) | 11,899 kg | Published: 11,899 kg Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Typically equipped, lever/steering wheel, Tier 4. |
| Axle load, front (laden/max) | Not published | Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 Not published. |
| Axle load, rear (laden/max) | Not published | Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 Not published. |
Engine
| Spec | Value | Source |
|---|---|---|
| Engine model | Cat C7.1 | Published: Cat C7.1 Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24U.S. EPA Tier 4 Final / EU Stage V. |
| Net power | 104 kW | Published: 104 kW Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Base net power ISO 9249/SAE J1349 (140 hp) at 2,000 rpm. VHP Plus net up to 123 kW (non-AWD, 8th gear). |
| Gross power | Not captured | — |
| Displacement | 7.01 L | Published: 7.01 L Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 |
| Rated speed | 2,000 rpm | Published: 2,000 rpm Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24 |
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 200 L/min | Published: 200 L/min Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24System flow 0-200 L/min (max shown). |
| System / relief pressure | ≈ 24.1 MPa | Published: 24,129 kPa Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24System pressure (3,500 psi). |
Performance
| Spec | Value | Source |
|---|---|---|
| Max travel speed | 48.3 km/h | Published: 48.3 km/h Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Top speed forward. |
| Blade / moldboard width | ≈ 3,700 mm | Published: 3.7 m Cat Technical Specifications for 120 Motor Grader AEXQ2482-05 (04-2024). Values from Tier 4 Final/Stage V columns. Retrieved 2026-10-24Moldboard width (12 ft). Optional 4.3 m. |
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