Case 780D, 1991 Technical Specifications
| SideShift or CenterMount | CM |
| SAE dig depth (mm) | 6700 |
| Reach @ ground level (mm) | 8596 |
| Loading height (mm) | 4420 |
| Bucket width, min-max (mm) | 457-914 |
| Bucket breakout (kgf) | 6067 |
| Dipper breakout (kgf) | 4879 |
| Slew System | Cylinder |
| Loader Bucket Capacity (m3) | 1.34 |
| Dump height (mm) | 3510 |
| Bucket width (mm) | 2440 |
| Bucket breakout (kgf) | 5151 |
| Engine Make & Model | Case 6-590 |
| Engine power (kW@rpm) | 84@2200 |
| Engine displacement (lit) | — |
| Number of cylinders | — |
| Pump type | Gear |
| Pump flow (lit/min) | 224 |
| Relief valve pressure (bar) | 137.9 |
| Transmission type | PS TC |
| Drive | 2WD/4WD |
| Speeds, FR | 33 |
| Maximum speed (km/h) | 32 |
| Ride control (Std/Opt/NA) | — |
| Travel length (mm) | 7520 |
| Travel height (mm) | 4000 |
| Width (mm) | 2440 |
| Turn circle radius without brakes (mm) | 12400 |
| Operating weight (kg) | 11106 |
| Model | 780D |
Introduction
The Case 780D 1991 Technical Specifications is a backhoe loader with various features designed to enhance its functionality and performance. This article aims to analyze the advantages and disadvantages of the features and specifications of the machine.
SideShift or CenterMount
The Case 780D 1991 Technical Specifications offer the option of either SideShift or CenterMount. The SideShift feature allows the backhoe to move sideways, giving it more flexibility to reach tight spaces. On the other hand, the CenterMount feature provides better stability and balance for the backhoe.
One advantage of the SideShift feature is its ability to maneuver in confined spaces, such as alleys or narrow streets, where the CenterMount backhoe may face difficulties. In contrast, the CenterMount feature is perfect for heavy excavation and loading tasks requiring higher stability and balance.
SAE dig depth and Reach @ ground level
The SAE dig depth and the reach @ ground level specification of the Case 780D 1991 Technical Specifications are essential in determining the maximum depth and reach of the backhoe. These specifications enable the machine to reach and excavate deeper into the ground while maintaining stability and balance on different terrains.
The advantages of the SAE dig depth and the reach @ ground level specification include their ability to excavate deeper trenches and reach further across open spaces. This makes the Case 780D 1991 Technical Specifications ideal for various excavation tasks, especially in construction, agriculture, and landscaping.
However, the disadvantage of the SAE dig depth and reach @ ground level specification is that the backhoe’s maneuverability may be limited, especially when operating in confined spaces with overhead obstructions. Additionally, the further the arm extends from the backhoe, the less stability and balance it has, increasing the risk of accidents or equipment damage.
Loading height
The loading height specification of the Case 780D 1991 Technical Specifications determines the height at which the backhoe can effectively load materials onto dump trucks or other equipment. A higher loading height is ideal for larger dump trucks and other equipment, while a lower loading height is more suitable for smaller trucks.
An advantage of the loading height specification is its ability to handle different loading requirements depending on the size of equipment available. This provides flexibility in terms of the equipment used in different operations. Additionally, the loading height specification makes loading more efficient, reducing overall loading time, and increasing productivity.
A disadvantage of the loading height specification is that it may limit the backhoe’s loading capacity, especially when dealing with taller dump trucks or equipment. A backhoe with a lower loading height specification can load smaller dump trucks with ease, but may not be able to accommodate larger equipment efficiently.
Bucket width, min-max
The bucket width specification of the Case 780D 1991 Technical Specifications is the minimum and maximum value that determines the range of bucket sizes that can be used with the backhoe. A wider bucket width range enables the machine to handle different materials while maintaining stability and balance.
The advantage of the bucket width specification is its versatility, providing the machine with the flexibility of using different bucket sizes depending on the material being handled. For instance, a narrow bucket is ideal for digging trenches, while a wider bucket is more suitable for loading large boulders or gravel. This makes the machine highly adaptable in different operations.
One disadvantage of the bucket width specification is that it can affect the machine’s stability and balance, especially when using a wider bucket. A wider bucket increases the load capacity of the machine, which may exceed its stability limits if not used carefully. This can lead to accidents or equipment damage, which can affect productivity and increase operating costs.
Bucket and Dipper breakout
The bucket and dipper breakout specification determines the force required to release the material being handled from the bucket or dipper, making it a vital specification in determining the efficiency of the backhoe in material handling. A higher breakout force specification means the machine can handle more challenging materials efficiently.
The advantage of the bucket and dipper breakout specification is its ability to handle different materials with ease. For instance, when digging through rocky terrain, a higher breakout force ensures the machine can handle the material with ease and speed, reducing downtime. Similarly, when loading heavy materials, a higher breakout force can help the machine load the material more efficiently.
A disadvantage of the bucket and dipper breakout specification is that it can affect the machine’s stability and balance when handling heavier loads. Higher forces can put more strain on the machine’s hydraulic system and cause damage, reducing its lifespan. The machine needs to be operated carefully to avoid damage and ensure the machine’s longevity.
Slew System
The Slew System specification of the Case 780D 1991 Technical Specifications determines the system responsible for rotating the backhoe’s arm, enabling the operator to position the bucket accurately. A cylinder system offers better precision and accuracy in bucket positioning compared to the gear system.
The advantage of the cylinder system is its ability to provide more accurate bucket positioning, making it ideal for precise excavation tasks, such as in landscaping and agriculture. On the other hand, the gear system provides more power, making it ideal for heavy loading tasks, such as in construction.
A disadvantage of the cylinder system is that it may be slower than the gear system, making it less efficient in heavy loading tasks. Additionally, maintenance costs can be higher for a cylinder system compared to the gear system, affecting operating costs.
Loader Bucket Capacity and Dump Height
The Loader Bucket Capacity and Dump Height specification determines the maximum capacity of the loader bucket and the height at which it can dump material. These specifications significantly impact the efficiency of the backhoe in material handling tasks.
The advantage of the Loader Bucket Capacity and Dump Height specification is their ability to handle larger quantities of materials. This makes the machine ideal for heavy loading and unloading tasks, particularly in construction and mining. The specifications ensure that the machine can handle large loads quickly and efficiently, reducing downtime and increasing productivity.
A disadvantage of the Loader Bucket Capacity specification is that it can affect the machine’s stability and balance when handling larger loads. This can put extra strain on the hydraulic system and cause damage if not operated carefully. Additionally, the higher the dump height, the higher the risk of material spillage, affecting cleanliness in the work area and increasing the risk of accidents.
Engine Make & Model, Engine Power, Pump type and Flow, Relief Valve Pressure
The Engine Make & Model, Engine Power, Pump type and Flow, and Relief Valve Pressure specifications are essential in determining the machine’s engine efficiency and capacity.
The advantage of these specifications is their ability to provide the machine with enough power to handle different tasks smoothly. The engine’s power output affects the machine’s performance, while the right pump type and flow ensure the hydraulic system can handle heavy loads with ease. Additionally, the relief valve pressure specification ensures the machine’s safety by releasing pressure in case of overload or equipment failure.
A disadvantage of these specifications is that they can affect operating costs, particularly regarding fuel consumption, maintenance, and repairs. Additionally, the machine’s engine specifications may not be suitable for specific tasks, making the machine less efficient and increasing operating costs.
Transmission type and Drive
The Transmission type and Drive specification determines the
