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The CAT 120 is a powerful grader that comes in multiple forms, with various features and applications.
Classification by CAT product line:
The CAT 120H is an old model but is still classified under the CAT product line. There are newer models like the 120M, 120M2, 120K, etc. After the 120M model, the graders also get an additional AP abbreviation, which stands for Adaptive Control Steering. This was a system that helped the grader follow a preset mold board angle even when the angle of the machine is changed. Other models after the letter M are N, P, and G. The 120K model would be larger than the 120M and have different characteristics. The M model had a new enhanced fuel system that made the grader more efficient and better for the environment. The N model is essentially the same as M, but with some upgrades on the interior of the grader for the driver. The 120P model is primarily a rental model with upgraded technology. The G model is the largest in the series and has a different augmented reality technology on the interior dashboard to make driving the grader easier.
Model size:
Depending on the project size and requirements, a small model like the CAT 120G motor grader is better suited for smaller projects, rural roads, paths, and landscaping. Larger models like the 140 HP grader are better for big construction, mining, and infrastructural projects where a lot more horsepower and technology are required.
Types of transmission:
As mentioned before, the grader can be divided into different types based on motor transmission. The grader with a motor transmission serves as the main driving engine that provides the necessary power for smooth and consistent grading operations. The motor transmission is responsible for changing the motor's power into a higher torque and lower speed to meet the needs of the grading task.
Environment:
Another way to categorize graders is based on their working environment. Graders designed for outdoor use often prioritize ruggedness and versatility to withstand various weather conditions. On the other hand, indoor graders focus on precision control and high maneuverability to navigate confined spaces and tight areas.
The Cat 120 motor grader has a powerful, efficient motor. It features a Cat C7.1 engine with a net power of 104 kW. This engine has a displacement of 7.01 liters. Businesses can find different models of the grader with varying power output. The maximum working speed of this motor grader is about 40 km/h. The fuel tank capacity is 189 liters. The Cat 120H has a fuel tank capacity of 264 liters.
The grader is equipped with electronically regulated four-wheel brakes. It uses hydraulics to boost the braking force. The overall weight of the motor grader is 11,800 kg. The grader can move earth at an angle of up to 30 degrees.
The overall length of the Cat 120 is 7.35 m, and its width is 2.54 m. The height of the driver's cab is 3.3 m. The frame of the 120 motor grader is an all-welded design that provides additional strength and support. This design makes the motor grader frame less prone to damage from stress.
The motor grader machine has a work tool system with an A-shaped mold board. This blade has a height of 0.61 m and a maximum capacity of 6.07 m3. The left and right tires have a dimension of 14.00-24 PRB. The Cat 120 also includes extra features like AccuGrade, which allows for automated grading, and a command system that offers remote operation and diagnostic functions. An optional feature of some models is the Cat PEPS, a system that protects the driver in case of a rollover.
Like all other heavy equipment, the Cat 120 grader requires regular maintenance. Service cat 120 motor grader manual provides the right parts and instructions. A detailed schedule outlines critical tasks like inspections, fluid changes, repairs, and replacements. The manual guides the optimal work and longevity of the motor grader and ensures safety. Here are some vital maintenance tasks:
Road Repair and Maintenance:
CAT 120Gs are commonly used for road repair and maintenance tasks. CAT 120Gs are used to fix potholes, cracks, and surface irregularities. The grader driver uses the CAT 120G to remove the damaged pavement and create a level and smooth surface for the new pavement.
Land Grading and Leveling:
Caterpillar graders are used for land grading and leveling projects. The grader driver uses the machine to create a level base for construction, grade land for landscaping, and level areas for the installation of airstrips and roads.
Construction Projects:
The CAT 120G is widely used in the construction industry. The machine is used for creating a level foundation, grading driveways, parking lots, and hauling roads, and the rough ground is turned into a hallmark of construction excellence.
Snow Removal:
Caterpillar graders can efficiently remove snow from road surfaces in winter. By attaching a snow blade to the grader, the grader can easily and precisely remove snow from the road and make a safe way for people to travel.
Mining and Extraction:
The 120G grader is used in the mining industry for surface mining operations, haul road construction, and maintaining mining infrastructure. The grader's ability to level and reshape land is essential for creating stable roads for heavy mining trucks and equipment.
Agriculture and Farming:
In the agriculture industry, the CAT grader can be used for maintaining farm roads, leveling fields, and constructing drainage ditches. The grader can be easily reshaped by the operator to meet farming needs. It improves the efficiency of farm operations by maintaining the infrastructure of farms.
In addition to understanding how the CAT 120 works, the following tips will help customers when choosing this machine:
Project Requirements
Before buying or renting a motor grader, it is essential to know the job's needs. This includes deciding on the length and width of the roads to be built or how much loose material needs to be pushed. The answers to these questions will help select the model and size of the grader best suited for the project.
Grade of Material
It's important to think about the kind of material the motor grader will be working with. A fine material like sand or silt requires a different grader than one dealing with coarse material like gravel or clay. Choosing a suitable motor grader for the material will help get the best results and avoid damage to the machine.
Fuel
When selecting a motor grader, consider its fuel needs. The options are machines requiring diesel fuel or those powered by other types of fuel. Choosing one that uses readily available diesel will make it easier to supply the machine while in use.
Horsepower
The amount of power a motor grader has is measured in a unit called horsepower. Different grades have distinct horsepower levels based on their size and model. The right amount of horsepower should be selected based on the type of jobs the grader will do.
Q1: What does the Cat 120 motor grader used to do?
A1: The Cat 120 motor grader has many uses in the heavy construction industry. It is primarily used to grade roads, establish slopes, and perform snow removal. Other tasks include excavating ditches, leveling surfaces, mixing and spreading materials, constructing drainage structures, backfilling, and compacting soil and loose material, among others.
Q2: What is the horsepower of the 120M Cat motor grader?
A2: The Cat 120 motor grader has a net horsepower of 143 kW, which is approximately 192 horsepower. Its operating weight, which is about 14,800 kg, includes the blade and other attachments.
Q3: Does the Caterpillar 120 grader have a cab option?
A3: Yes. The Caterpillar 120 grader offers two operational cab options. One is the standard cab, which provides a spacious and comfortable working environment. The other is an optional all-weather cab, which protects the operator from cold and wet weather conditions.
Q4: What are the control options available for the Cat 120 grader?
A4: The Caterpillar 120 grader has fully automated controls that allow easy operation. These include joystick controls and machine control technology. The joystick control offers precise control of blade movement, while the machine control technology provides information on grading parameters and feedback.
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