Caterpillar 428B ext*, 1996 Technical Specifications
| SideShift or CenterMount | SS |
| SAE dig depth (mm) | 5842 |
| Reach @ ground level (mm) | 7950 |
| Loading height (mm) | 4454 |
| Bucket width, min-max (mm) | 300-900 |
| Bucket breakout (kgf) | 5303 |
| Dipper breakout (kgf) | 2429 |
| Slew System | Cylinder |
| Loader Bucket Capacity (m3) | 1 |
| Dump height (mm) | 2643 |
| Bucket width (mm) | 2406 |
| Bucket breakout (kgf) | 4354 |
| Engine Make & Model | Cat 3054 |
| Engine power (kW@rpm) | 55@2200 |
| Engine displacement (lit) | 4 |
| Number of cylinders | 4 |
| Pump type | VDAP |
| Pump flow (lit/min) | 146 |
| Relief valve pressure (bar) | 207 |
| Transmission type | P/shuttle |
| Drive | 2WD/4WD |
| Speeds, FR | 44 |
| Maximum speed (km/h) | 29 |
| Ride control (Std/Opt/NA) | — |
| Travel length (mm) | 5401 |
| Travel height (mm) | 3574 |
| Width (mm) | 2390 |
| Turn circle radius without brakes (mm) | 8110 |
| Operating weight (kg) | 7526 |
| Model | 428B ext* |
Introduction
The Caterpillar 428B ext* is a versatile backhoe loader that is commonly used in construction and excavation projects. The machine’s design features several specifications and features that influence its performance and efficiency. In this analysis, we will examine both the advantages and disadvantages of the Caterpillar 428B ext*, with the aim of providing a comprehensive and balanced perspective.
Advantages
SideShift or CenterMount (SS)
One of the main advantages of the Caterpillar 428B ext* is the option of SideShift or CenterMount. This feature allows the machine to be more versatile as it can easily move from digging to loading without having to reposition. The CenterMount option provides better visibility to the operator, allowing them to work more efficiently.
SAE Dig Depth (mm)
The Caterpillar 428B ext* has a SAE dig depth of 5842 mm, which is sufficient for many excavation projects. This feature enables the machine to reach deeper levels in the soil, increasing its efficiency and performance.
Loader Bucket Capacity (m3)
The Caterpillar 428B ext* has a loader bucket capacity of 1 m3, which is ideal for loading large quantities of material. This capacity makes it suitable for use in heavy-duty construction projects, where large volumes of materials need to be moved.
Transmission Type
The Caterpillar 428B ext* has a P/shuttle transmission type that provides smooth and efficient gear changes. This feature helps to improve the machine’s overall performance and productivity.
Drive
The Caterpillar 428B ext* has the option of 2WD/4WD drive, which makes it adaptable to different terrain types. The 4WD drive option provides better traction and stability, making it suitable for use in challenging environments.
Disadvantages
Bucket Breakout (kgf)
The Caterpillar 428B ext* has a bucket breakout force of 4354 kgf, which may not be sufficient for heavy-duty excavation projects. In such projects, the machine may not be able to dig through hard or compact soils, which can affect its overall efficiency and performance.
Dump Height (mm)
The Caterpillar 428B ext* has a dump height of 2643 mm, which may not be suitable for loading materials onto high trucks or platforms. This feature can limit the machine’s applications in certain construction projects.
Travel Length (mm)
The Caterpillar 428B ext* has a travel length of 5401 mm, which may not allow it to maneuver in tight spaces. In some construction sites, the machine may not be able to reach certain areas, which can affect its overall efficiency.
Ride Control
The Caterpillar 428B ext* does not have a standard ride control feature, which can affect the operator’s comfort and overall efficiency. The absence of this feature means that the operator may experience more vibrations and shocks when driving over rough terrain, which can affect their performance and concentration.
Real-World Examples
Advantages Example
The CenterMount option of the Caterpillar 428B ext* was used in the construction of a new building in downtown Toronto. The excavation and foundation work required the operator to dig deep into the soil and move large quantities of material. The CenterMount option provided better visibility to the operator, allowing them to work more efficiently and accurately. The machine’s versatility also enabled the operator to switch seamlessly between excavating and loading tasks, minimizing downtime and improving productivity.
Disadvantages Example
The dump height of the Caterpillar 428B ext* was a limitation in the construction of an industrial warehouse in Chicago. The material had to be loaded onto high trucks, and the machine’s dump height was not sufficient. This limitation meant that the operator had to resort to using additional equipment, such as a crane, to load the materials onto the trucks. This additional equipment increased the project’s costs and affected the overall efficiency of the machine.
Overall Assessment
The Caterpillar 428B ext* is a versatile and reliable machine that is suitable for a variety of construction and excavation projects. Its features, such as the CenterMount option, SAE dig depth, and loader bucket capacity, provide a high level of efficiency and productivity. However, it does have limitations, such as the bucket breakout force, dump height, travel length, and absence of ride control. These limitations can affect its overall performance, especially in heavy-duty construction projects. Nonetheless, the Caterpillar 428B ext* remains a popular choice in the construction industry due to its versatility and reliability.
