| Feature | Description |
|---|---|
| Performance | Cat C7 ACERT engine meets U.S. EPA Tier 3/EU Stage IIIA standards, provides strong power and torque. |
| Efficiency | Electronic throttle optimizes performance; automatic hydraulic fan and idle shutdown function enhance fuel efficiency. |
| Ease of Operation | Load-sensing hydraulic system with PPPC; optional automatic transmission for optimized productivity. |
| Serviceability | Left-side service area for quick maintenance; durable components increase longevity. |
| Reliability | Robust design and validation ensure machine durability and reliability. |
| Comfort | Optional HVAC, defroster fans, and sunshades; convenient power port layout for devices. |
| Technology | Optional Cat AccuGrade™ system for enhanced efficiency through guidance and automatic control. |
| Safety | Largest brake surface area in the industry; circle drive slip clutch for shock load protection. |
| Versatility | Adaptable for various applications with options like rippers, scarifiers, and front blades. |
These advantages make the Cat 120K a reliable high-performance motor grader in construction projects.
| Cat 120K Parameter | Details |
| Engine | The net power of the basic power (gear 1) is 93 kilowatts, the model is Cat C7 ACERT, the displacement is 7.2 liters, the cylinder diameter is 105 mm, the stroke is 127 mm; the maximum torque is 774 N·m, measured at gears 4-8 and a rotational speed of 1000 rpm; the rotational speed at the rated power is 2000 rpm; the working capacity in high-temperature environment is 50°C; the net power of the VHP range is 108-118 kilowatts (145-158 horsepower); the power derating altitude is 3048 meters; the torque reserve is 50%. |
| Blade | The width of the blade is 3.7 meters, the arc radius is 413 mm, and the tooth throat clearance is 58 mm; the thickness of the blade is 22 mm and the height is 610 mm; the thickness of the end edge is 16 mm and the width is 152 mm; the thickness of the blade edge is 16 mm and the width is 152 mm; the maximum length of the blade extending outside the tire on the right is 1928 mm and on the left is 1764 mm; the lateral movement of the blade is 663 mm on the right and 512 mm on the left; the center shift of the rotary table is 656 mm on the right and 658 mm on the left; the maximum lifting height above the ground is 410 mm; the maximum excavation depth is 775 mm; the tilt range of the blade is 40° forward and 5° backward. |
| Frame | The total swing on each side of the front axle is 32°, the inclination of the front axle wheels is 18° to the left and right, the outer diameter of the rotation is 1530 mm, and the thickness of the blade beam of the rotary table is 30 mm. |
| Weight | The typical total vehicle weight configuration is 14,340 kilograms, of which the front axle is 4203 kilograms and the rear axle is 10,137 kilograms; when the working weight is the maximum, the front axle is 5197 kilograms, the rear axle is 11,803 kilograms, totaling 17,000 kilograms; when the total vehicle weight is basic, the front axle is 3274 kilograms, totaling 12,743 kilograms, and the rear axle is 9469 kilograms. The basic weight is calculated based on the standard machine configuration, including 13.00-24 12PR (G-2) tires, SP rims, full fuel tank, coolant, lubricant and 90 kilograms of operator; the typical working weight is calculated based on the standard machine configuration, including HVAC ROPS cab, 13.00-24 12PR (G-2) tires, MP rims, MMS, hydraulic blade tip, full fuel tank, coolant, lubricant and 90 kilograms of operator. |
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