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Although new models of the Caterpillar D4 tractor have emerged, older versions of the tractor continue to be in construction and farming. Newer models have additional features to allow for better fuel efficiency and more intelligent technology such as remote control. Some of the most popular types of the Caterpillar D4H Crawler Tractor include:
The tractors mentioned above are just some of the models in the D4 family. Others include the D4K and D4R. Caterpillar offers different options for the undercarriage. These include the ECSS, which has a rubber track, and the EMPS, which has a metal track that is best for on-road applications. Depending on the task at hand, one can choose the D4 tractor model and the undercarriage to get the best results.
The Caterpillar D4H crawler LGP tractor specifications vary depending on the different models and configurations. Here are some of the key specifications.
Model and size
The D4H tractor has several models. The D4C is an upgraded version of D4, and the D4R is the further improved model that succeeded D4C/ D4H. The D4H has three key sizes: Blade Width 2776 mm, Overall Width 2400 mm, and Overall Length 4060 mm.
Power Train
This tractor has a powerful Caterpillar diesel engine that provides optimal HP. The tractor employs a Hydrostatic Drive mechanism to move.
The engine types and power ratings are as follows:
Data
The engine used in this model is a 3044T– CAT Engine. The Net Power is 65.5–74.9 kW, while the Gross Power is 69.1-78.2 kW.
Data
The engine used in this model is a 3054 CAT Engine. The Net Power is 75.4–84.4 kW, while the Gross Power is 79.5-86.3 kW.
The engine uses an in-direct injection system and a turbocharged mechanism. The IAS (Integrated Aftercooler System) cools the air to enhance combustion. This improves engine performance, fuel economy, and emissions.
Hydraulics and implement
The D4H tractor’s hydraulic system uses double-acting cylinders to operate various attachments, such as the blade and ripper. The D4H tractor comes with various Blade and ripper combinations. For example, the wide blade has a width of 2750 mm-3090 mm, and the height is 885 mm. The ripper’s type is straight, and it has a single shank. The shank reach is 548 mm, along with a top beam of 1220 mm.
The Caterpillar D4H blade types are as follows:
S/G Blade
The width of the S/G Blade is 3481/PU 3513, and its height is 883. The S/G blades are used in mining and other applications where large volumes of earth must be moved.
Wide SG Blade
The size of the blade is more prominent, and it is 4001/PU 4032. The height is 1088mm. This type of blade moves more material, making it better suitable for mining activities.
U/ S Blade
It has a width of 3481 PU 3513 and a height of 950mm. This type of blade is mostly used in road construction, quarry activity, and mines to excavate material and construct embankments.
In addition, the hydraulic mechanism controls the blade's height, tilt, and angle, ensuring precise and efficient material handling.
Weights and Dimensions
The operational weight of the tractor impacts its performance and stability. The weights and dimensions depend on the specific model. The Operational weight of D4H is 12200 kg, while it is 13100 kg in the D4C model.
It is vital to maintain the tractor's well-being. Following a maintenance schedule boosts performance, reliability, and longevity.
Service Schedule
Users must follow the specified service schedules closely. It is essential to inspect, adjust, and replace components regularly.
Fluid checks
Users must monitor fluid levels. These include fuel, coolant, hydraulic oil, transmission oil, and engine oil. They must ensure proper levels and fluid quality.
Land clearing for construction:
Caterpillar D4H tractors are often used for land clearing when building new roads, sites, or other infrastructure projects. The durable caterpillar D4H can push large volumes of soil, vegetation, and debris to clear the land. The precise control of the dozer allows operators to create level building pads and remove unwanted material efficiently. After a land clearing project, the caterpillar D4H can be used to fine-grade the cleared land to prepare it for construction.
Demolitions:
Cat D4H crawlers are used for demolition projects to safely and efficiently take down structures. The dozer's blade can push and topple buildings, walls, and other edifices. Its tracks provide stability on uneven ground that may result from demolished material piles. Once a structure is down, D4H tractors can clear the debris by transporting it away or stockpiling it on-site.
Earthmoving and grading:
Caterpillar D4H tractors are commonly employed to move large amounts of soil for projects like levee and pond construction. The crawler's powerful blade can push or pull earth to create desired landscapes, slopes, and formations. Following material relocation, the precision of the D4H allows operators to grade surfaces to achieve the required smoothness and contours.
Roadwork:
Caterpillar D4H dozers are widely used for road construction. The durable blade can clear vegetation, rough grade, and move large volumes of material to prepare road bases. Afterward, the precision control enables fine grading to achieve smooth, level surfaces appropriate for subsequent pavement or surfacing. The D4H also regains existing roads by removing ruts, potholes, and irregularities.
Site development:
Cat D4H crawlers are frequently used for site development in construction. The dozer is useful to clear and strip topsoil to prepare the ground for building. It can also rough grade to create pads for foundations and fine-grade to complete level surfaces ready for future work. The ability of the D4H to push massive amounts of material quickly makes it suitable for developing sites to the desired elevations and contours.
Mining:
In mining operations, the Caterpillar D4H is useful for hauling ore or waste rock. Its tracks provide stability on the rough terrain of mine sites. The blade can level stockpiles, prep haul roads, or push material efficiently. The dozer also assists for materials managing, like loading haul trucks or modifying pits and dumps.
Land reclamation:
Caterpillar D4H dozers play an integral role in land reclamation projects. The dozer is used to push and distribute materials like soil, sand, or ash to create new habitable land. It can also grade uneven terrain to achieve desirable slopes and drainage appropriate for future development. The precise control supports land restoration to productive uses.
Project requirements:
Evaluate the nature and scope of the tasks that the crawler tractor will perform. Consider factors such as soil type, job size, task duration, and any specific features required (e.g., a high-clearance tractor for land clearing).
Power and size:
Choose a tractor with a suitable power range and size. Largescrawlers with higher horsepower are more appropriate for expansive land clearing projects, while smaller models are better suited for confined spaces or lighter tasks.
Blade options:
Depending on the project requirements, select a blade type and size that will effectively tackle the tasks at hand. For example, a modular clamp-on/machine blade might suit a dual-purpose land clearing and road construction project.
Slope control and automation:
For more complex projects, consider tractors equipped with GPS and slope control systems. These features can enhance precision and efficiency by allowing automated grading according to predetermined parameters.
Tire versus tracks:
Decide between a wheeled (tire) and a tracked tractor based on the project demands. Tracked tractors offer superior traction and stability, particularly in rough terrain and challenging ground conditions.
New versus used:
A new crawler tractor will typically offer greater reliability and come equipped with the latest technology, but it will also come at a higher cost. A well-maintained used tractor may help to keep costs down, but this will need a more thorough assessment to ensure the choice is the right one.
Q1: What is a LGP tractor?
A1: The LGP (Low Ground Pressure) tractor has large, wide shoes that help spread the weight of the machine over a larger area. This design reduces the pressure the tractor exerts on the ground, minimizing soil displacement and making it suitable for marshy or soft terrain.
Q2: What is the operating weight of the D4H tractor?
A2: The operating weight of the Caterpillar D4H LGP tractor is around 10,908 kg (24,098 lbs) for the D4HIII model. This can vary slightly depending on the specific variant of the D4H and its configuration.
Q3: What is the usage of D4H tractor?
A3: The Caterpillar D4H LGP tractor is used for various tasks in construction, mining, and rural areas. It is widely used in agriculture for tasks like land leveling, trenching, and building forest roads. It is also used in the mining industry to clear overburden, construct haul roads, and manage sedimentation ponds. In rural settings, the D4H LGP tractor can be used for cleaning irrigation ditches, essential farm road repairs, and tank construction.
Q4: What is the difference between the D4C and D4H tractor?
A4: The D4H tractor has a semi-U and straight blade, while the D4C has a snow and GPS blade. Furthermore, the operating weight of the D4H tractor is around 10,908 kg, while the operating weight of the D4C is around 9,700 kg.
