Caterpillar 424D ext*, 2004 Technical Specifications
| SideShift or CenterMount | SS |
| SAE dig depth (mm) | 5894 |
| Reach @ ground level (mm) | 6664 |
| Loading height (mm) | 4274 |
| Bucket width, min-max (mm) | 305-1200 |
| Bucket breakout (kgf) | 5262 |
| Dipper breakout (kgf) | 2570 |
| Slew System | Twin ram |
| Loader Bucket Capacity (m3) | 0.96 |
| Dump height (mm) | 2666 |
| Bucket width (mm) | 2396 |
| Bucket breakout (kgf) | 3875 |
| Engine Make & Model | Cat 3054T |
| Engine power (kW@rpm) | 55@2200 |
| Engine displacement (lit) | 4 |
| Number of cylinders | 4 |
| Pump type | VDAP |
| Pump flow (lit/min) | 139 |
| Relief valve pressure (bar) | 207 |
| Transmission type | P’Shuttle |
| Drive | 2WD/4WD |
| Speeds, FR | 4/4 |
| Maximum speed (km/h) | 31.8 |
| Ride control (Std/Opt/NA) | Opt |
| Travel length (mm) | 5685 |
| Travel height (mm) | 2900 |
| Width (mm) | 2360 |
| Turn circle radius without brakes (mm) | 5350 |
| Operating weight (kg) | 7759 |
| Model | 424D ext* |
The Caterpillar 424D ext*: Advantages and Disadvantages
Introduction
The Caterpillar 424D ext* is a versatile backhoe loader designed for various applications, including construction, excavation, and landscaping. This article will analyze the advantages and disadvantages of its features and specifications.
Advantages
SideShift or CenterMount
One of the advantages of the Caterpillar 424D ext* is its optional SideShift or CenterMount backhoe configurations. The SideShift design provides greater stability, while the CenterMount option offers more flexibility when working in tight spaces. This adaptability allows the operator to customize the unit to fit the job requirements.
SAE Dig Depth
The SAE dig depth of the Caterpillar 424D ext*, which measures 5894 mm, is a significant advantage. It allows the machine to reach deeper and excavate more extensive areas than many other models of backhoe loaders, making it ideal for heavy-duty excavation work.
Loader Bucket Capacity
With a capacity of 0.96 m^3, the Caterpillar 424D ext*’s loader bucket provides a large amount of material handling capacity. This feature makes it an ideal tool for loading, hauling, and dumping large volumes of material, such as soil, gravel, and debris, minimizing the need for multiple trips.
Engine Power and Transmission
The Caterpillar 424D ext*’s engine, rated at 55 kW@2200 rpm, is powerful enough to handle most excavation and loading tasks. Additionally, the P’Suttle transmission provides four forward and four reverse speeds, making it easy for the operator to maneuver the machine in tight spaces. The gearbox is also easy to operate, reducing operator fatigue and increasing productivity.
Travel Height and Length
Another advantage of the Caterpillar 424D ext* is its travel height of 2900 mm and length of 5685 mm. These dimensions allow the unit to work in confined areas without sacrificing performance. Additionally, the machine’s width of 2360 mm makes it easy to transport from one job site to another.
Disadvantages
Price
One of the key disadvantages of the Caterpillar 424D ext* is its price point. As a high-end backhoe loader, it comes with a significant price tag, making it difficult for small businesses and startups to purchase. However, the machine’s high quality, versatility, and durability often make it a worthwhile investment for larger enterprises.
Relief Valve Pressure
The Caterpillar 424D ext*’s relief valve pressure of 207 bar is a possible disadvantage. This pressure limit does not allow the machine to work efficiently in heavy-duty applications requiring more pressure, such as rock and frame excavation.
Ride Control
While the Caterpillar 424D ext* offers an optional ride control feature, it is not a standard feature, so many units may not have it. This function provides a smoother ride, reducing operator fatigue and wear and tear on the machine. Without ride control, the operator may experience discomfort during long shifts, which could result in decreased efficiency.
Real-World Examples
Advantages
An example of the Caterpillar 424D ext*’s versatility and customization capabilities is its use in city construction sites. In an urban setting, the SideShift configuration may be beneficial to provide additional stability while working on uneven and challenging terrain. Conversely, the CenterMount option may be advantageous in tight spaces where maneuverability is a must.
A local landscaping company may use the Caterpillar 424D ext* to move soil, rock, and gravel in bulk. Thanks to its large loader bucket capacity, the machine can transport substantial quantities of materials quickly and efficiently, reducing travel time and costs.
Disadvantages
When it comes to pricing, small construction companies may find the Caterpillar 424D ext* unaffordable, leading them to consider less expensive models with fewer features. For instance, a company may opt for a lower-end model with a lower capacity and horsepower engine.
In heavy-duty excavation projects involving rocks and frames, the Caterpillar 424D ext*’s relief valve pressure limit may not allow it to operate efficiently. Consequently, to avoid the risk of damaging the machine or reducing productivity, a company may opt for a higher-end Caterpillar model with a higher-pressure limit.
Overall Assessment
The Caterpillar 424D ext* is a well-rounded backhoe loader with numerous advantages and a few disadvantages. Its adaptable design, high capacity, and powerful engine and transmission make it an ideal machine for a variety of applications. Despite its high price point and limitations in certain heavy-duty excavation applications, it remains a top-performing machine for contractors and construction companies worldwide.
