Caterpillar 438D ext*, 2002 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) | 6608 |
| Dipper breakout (kgf) | 2804 |
| Slew System | Twin ram |
| Loader Bucket Capacity (m3) | 1.03 |
| Dump height (mm) | 2650 |
| Bucket width (mm) | 2406 |
| Bucket breakout (kgf) | 5680 |
| Engine Make & Model | Cat 3054T |
| Engine power (kW@rpm) | 70@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) | 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) | 7988 |
| Model | 438D ext* |
Introduction
The Caterpillar 438D ext* is an impressive piece of equipment that has gained popularity among construction workers, miners, and landscapers. This machine comes with a host of features and specs tailored to meet the demands of heavy-duty work. In this article, we will analyze the strengths and weaknesses of the different components of the Caterpillar 438D ext* and their practical applications in the field.
SideShift or CenterMount – SS
One of the standout features of the Caterpillar 438D ext* is the SideShift or CenterMount configuration. This feature allows for greater maneuverability and more efficient use of space, making it easier to get work done in tight spaces. A CenterMount configuration is ideal for digging trenches, cutting slopes, and grading uneven terrain. With the ability to shift from side to side, the machine becomes more versatile, allowing it to work in confined spaces.
SAE dig depth (mm)
The SAE dig depth of the Caterpillar 438D ext* is an impressive 5894mm, making it suitable for deep excavation and trenching operations. The dig depth makes the 438D ext* the tool of choice for construction workers and miners looking to dig deep into the ground.
Reach @ ground level (mm)
The reach of the Caterpillar 438D ext* at ground level is 6664mm, making it the perfect tool for landscaping, demolition, and excavations. With the ability to reach this far, the machine can access hard-to-reach areas and complete jobs faster and more efficiently.
Loading height (mm)
The loading height of the Caterpillar 438D ext* is 4274mm. This high loading height makes it efficient for loading dump trucks and other vehicles, reducing the time it takes to load and unload material.
Bucket width, min-max (mm)
The Caterpillar 438D ext* has a variable bucket width, ranging from 305mm to 1200mm. This feature allows the operator to customize the machine to fit the job at hand, making it more versatile.
Bucket and Dipper breakout
The Caterpillar 438D ext* boasts an impressive bucket breakout force of 6608kgf, making it ideal for moving large volumes of material quickly. The dipper breakout force is 2804kgf, allowing for efficient excavation and excavation in hard soils.
Slew System
The twin ram slew system of the Caterpillar 438D ext* provides smooth and efficient rotation, making it easy to switch from one task to another.
Loader Bucket Capacity (m3)
The Caterpillar 438D ext* has a loader bucket capacity of 1.03m3. With this capacity, the machine can move a considerable amount of material in one trip.
Dump height (mm)
The dump height of the Caterpillar 438D ext* is 2650mm, making it ideal for dumping material into high-sided trucks.
Engine Power
The Caterpillar 438D ext* is powered by a Cat 3054T engine that provides a significant amount of power. This engine has a power output of 70kW at 2200rpm with a displacement of 4 liters and four cylinders.
Pump type and Flow
The 438D ext* uses a VDAP pump type that offers high efficiency and reliable performance. It has a pump flow of 163lit/min and a relief valve pressure of 228bar, making it capable of handling heavy-duty tasks.
Transmission Type
The Caterpillar 438D ext* uses a PS or P’shuttle transmission type that provides four-wheel drive and four-speed transmission. The maximum speed of the machine is 31.8km/h, making it quick and efficient.
Ride Control
The ride control feature of the Caterpillar 438D ext* is optional, making it easy to adjust the machine’s settings according to the operator’s preference. It is ideal for rough terrain, providing a smooth and comfortable ride.
Travel Dimensions and Operating Weight
The Caterpillar 438D ext* has a travel length of 5685mm, travel height of 2900mm, and a width of 2360mm. It has a turning circle radius of 5350mm without the use of brakes. The Caterpillar 438D ext* weighs 7988kg, making it a heavy and sturdy machine that can handle tough terrain and workload.
Overall Assessment
The Caterpillar 438D ext* is a machine that offers many features and specs that make it perfect for those in the construction, mining, and landscaping industries. This machine provides excellent maneuverability, efficient use of space, and powerful engines with high pressure and flow pumps. The flexible bucket width range, high dumping height, and impressive digging and break-out forces make this machine a workhorse. Operators can customize its settings according to their preferences, making it a versatile machine. The Caterpillar 438D ext* performs well in a wide range of scenarios, hence a wise purchase for businesses looking to add to their fleet.
