Caterpillar 420D ext*, 2002 Technical Specifications
| SideShift or CenterMount | CM |
| SAE dig depth (mm) | 5510 |
| Reach @ ground level (mm) | 7765 |
| Loading height (mm) | 4175 |
| Bucket width, min-max (mm) | 305-1200 |
| Bucket breakout (kgf) | 6608 |
| Dipper breakout (kgf) | 2804 |
| Slew System | Twin ram |
| Loader Bucket Capacity (m3) | 1.03 |
| Dump height (mm) | 2609 |
| Bucket width (mm) | 2406 |
| Bucket breakout (kgf) | 4548 |
| Engine Make & Model | Cat 3054T |
| Engine power (kW@rpm) | 63@2200 |
| Engine displacement (lit) | 4 |
| Number of cylinders | 4 |
| Pump type | VDAP |
| Pump flow (lit/min) | 163 |
| Relief valve pressure (bar) | 228 |
| Transmission type | PS or P’shuttle |
| Drive | 2WD/4WD |
| Speeds, FR | 4/4 |
| Maximum speed (km/h) | 32.8 |
| Ride control (Std/Opt/NA) | Opt |
| Travel length (mm) | 6974 |
| Travel height (mm) | 2770 |
| Width (mm) | 2352 |
| Turn circle radius without brakes (mm) | 5350 |
| Operating weight (kg) | 7405 |
| Model | 420D ext* |
Advantages and Disadvantages of Caterpillar 420D ext, 2002 Technical Specifications
Introduction
The Caterpillar 420D ext, 2002 model has been designed as a multi-purpose backhoe loader for construction, agriculture and other industrial applications. Its technical specifications are optimized to provide high performance, durability, and reliability, while ensuring ease of use and low maintenance costs.
In this article, we will analyze the advantages and disadvantages of the features and specifications of the Caterpillar 420D ext, 2002 model in depth. Our aim is to provide a comprehensive overview of this machine’s capabilities and limitations so that users and potential buyers can make informed decisions.
Advantages of the Caterpillar 420D ext, 2002 Technical Specifications
SideShift or CenterMount
One of the main advantages of the Caterpillar 420D ext, 2002 model is its SideShift or CenterMount feature, which allows the operator to quickly move the backhoe from side to side or center it for more precise digging. This feature is particularly useful when working in narrow spaces or around obstacles.
For example, imagine that a construction crew is working on a road project and needs to dig a trench alongside a narrow alleyway. Without the SideShift or CenterMount feature, they would have to move the entire machine or use manual labor to dig the trench accurately. With this feature, they can efficiently and accurately carry out the digging without requiring additional equipment or workers.
SAE dig depth and Reach @ ground level
Another advantage of the Caterpillar 420D ext, 2002 model is its SAE dig depth and Reach @ ground level specifications, which enable it to excavate and reach deeper than many other backhoe loaders in its class. This feature is particularly useful when digging trenches, foundations or other deep excavations.
For example, consider a construction project that requires digging deep foundations for a building. If workers were using a less capable backhoe loader, they might have to move the machine multiple times or use manual labor to achieve the required depth. With the Caterpillar 420D ext, 2002 model, deep excavations can be carried out more efficiently and accurately.
Loading height and Bucket width, min-max
The Caterpillar 420D ext, 2002 model’s loading height and Bucket width, min-max specifications are also advantageous, as they allow for the efficient loading and transport of materials. This is particularly useful when working on large construction projects where a lot of material needs to be moved quickly and efficiently.
For example, imagine that a construction crew is working on a project that involves moving large volumes of earth, gravel, and sand. They can use the Caterpillar 420D ext, 2002 model to quickly load these materials into trucks for transport, which would save them time and money compared to using manual labor or less efficient equipment.
Engine power and Pump flow
The Caterpillar 420D ext, 2002 model’s engine power and Pump flow specifications are essential advantages, as they enable the machine to work more efficiently and effectively. The machine’s engine power is 63 kW@2200 rpm, and its Pump flow is 163 liters per minute.
For example, imagine that a farmer needs to work in a large, sandy field preparing it for planting. The Caterpillar 420D ext, 2002 model’s engine power and Pump flow allow the machine to work efficiently, quickly, and effectively improving the field’s soil quality in less time with less effort than manual labor or other less efficient equipment.
Travel length and Operating weight
The Caterpillar 420D ext, 2002 model’s Travel length and Operating weight are additional advantages because they ensure the machine delivers maximum performance while being easy to transport to different worksites. The Travel length is 6974mm, and the Operating weight is 7405 kg.
For example, imagine that a construction crew has to work on a project in a remote area that can only be reached by narrow roads. Thanks to the Caterpillar 420D ext, 2002 model’s Travel length and Operating weight, the machine can be easily transported on these roads and still deliver high-quality results.
Disadvantages of the Caterpillar 420D ext, 2002 Technical Specifications
Bucket breakout
One of the disadvantages of the Caterpillar 420D ext, 2002 model is its Bucket breakout specification, which is 4548 kgf. Compared to other models in this class, this figure can be considered relatively weak, which could limit the machine’s ability to handle materials that are too hard or compacted.
For example, imagine that a construction crew is working on a project that involves excavating dense and compacted soil. The Caterpillar 420D ext, 2002 model’s Bucket breakout might not be enough to handle this material effectively. In this scenario, the crew might require additional equipment or manual labor to carry out the work.
Turn circle radius without brakes
Another disadvantage of the Caterpillar 420D ext, 2002 model is its turn circle radius without brakes specification, which is 5350 mm. Compared to other models in this class, this figure can be considered relatively wide, which could limit the machine’s maneuverability in tight spaces.
For example, imagine that a construction crew is working on a project that involves digging trenches in a narrow alleyway. The Caterpillar 420D ext, 2002 model’s turn circle radius might be too wide to effectively maneuver in this space. In this scenario, the crew might need to use additional equipment or use manual labor to carry out the work.
Bucket width
The Caterpillar 420D ext, 2002 model’s Bucket width specification, which is 2406mm, could be considered a disadvantage in certain situations. The bucket may be too wide to work efficiently in confined spaces or narrow trenches.
For example, consider a construction project that involves working in narrow trenches in urban areas. In such a case, the Caterpillar 420D ext, 2002 model’s bucket width could make it difficult to precisely excavate the trench’s necessary depth or width. In this scenario, the crew might need to use a smaller bucket or manual labor to carry out the work.
Overall Assessment
Overall, the Caterpillar 420D ext, 2002 model offers a range of advantageous features and specifications that make it a capable and versatile backhoe loader for construction, agriculture, and other industrial applications. Its SideShift or CenterMount, SAE dig depth, Reach @ ground level, Loading height, Engine power, Pump flow, Travel length, and Operating weight specifications, among others, make it a highly effective and efficient machine.
However, some limitations, such as its Bucket breakout, Turn circle radius without brakes, and Bucket width specifications, may hinder its performance in specific situations.
Therefore, potential buyers should assess their needs and specific project requirements to determine whether the Caterpillar 420D ext, 2002 model is suitable for their operations. Considering the machine’s pros and cons, we conclude that it’s a reliable and effective backhoe loader for most construction, agriculture, and industrial applications.
