Skip to main content

Construction excavators are a staple on many job sites and are known for their power, durability, and versatility. The following 12 features define the core of what excavators bring to the table for construction professionals and heavy equipment operators. Each feature is integral to the machine’s overall performance and efficiency.


Feature #1 – Boom

The boom is the long, hinged arm of an excavator. This extended reach allows for precision when digging or lifting heavy materials. Typically, it’s constructed from high-tensile steel to withstand extreme weights and pressures. SANY excavators in Kansas City usually come with mono booms, which have a single hinge, or articulated booms, which have multiple pivot points for additional flexibility. The type of boom chosen significantly influences the excavator’s ability to handle various tasks on a construction site.


Feature #2 – Bucket – SANY Excavators in Kansas City

Attached to the end of the boom is the bucket, a ubiquitous feature that does the digging. Buckets come in different shapes and sizes, tailored to tasks like trenching or loading. Teeth-like edges on the bucket assist in breaking through tough soil or rock. Furthermore, the bucket’s capacity corresponds directly to the excavator’s power; more robust machines can handle larger buckets and vice versa. An experienced operator can precisely maneuver the bucket, allowing the ability to create uniform trenches or holes.


Feature #3 – Cab

The cab is where the operator spends much of their time and benefits from ergonomic design for comfort during long hours. It is typically enclosed to protect from the elements and job site debris. Modern cabs come equipped with advanced technology, including touchscreens and monitor systems that provide real-time data on machine performance. Many also feature enhanced safety measures like rollover protection structures (ROPS). Visibility from the cab is crucial, so it often includes wide windows and sometimes cameras for better sightlines.


SANY Excavators in Kansas City


Feature #4 – Car Body – SANY Excavators in Kansas City

The body of an excavator, also known as the car body, includes the mainframe and undercarriage. It supports the excavator’s weight and withstands the impact of heavy loads and rough terrain. Notably, the durability of the car body determines the overall lifespan of the excavator. Design considerations are taken to ensure the body has proper weight distribution for balance and stability. The compactness of the car body can be a benefit in urban construction sites with limited space.


Feature #5 – Hydraulic Cylinders

These are the muscles of an excavator, providing the necessary force to move the boom, bucket, and other articulated segments. They convert hydraulic energy into mechanical work, allowing smooth and powerful movements. High-quality seals and fittings in the hydraulic cylinders prevent leaks and preserve system pressure. The number and size of cylinders determine the strength and fluidity of the excavator’s operations. Regular maintenance is critical to ensure their longevity and prevent costly downtime.


Feature #6 – Dipper – SANY Excavators in Kansas City

The dipper, or stick, extends between the boom and the bucket and is pivotal for controlling the reach of the excavator. Operators can adjust the length of the dipper based on the precision required for a specific task. Strong materials like reinforced steel protect against bending or snapping under heavy loads. The combination of the dipper and the boom’s movements enables the operator to perform complex digging motions. The length of the dipper arm can impact the force and breakout power of the bucket.


Are you looking for a SANY dealer in Kansas City?

Contact us today!


Feature #7 – Engine

The excavator’s engine is the powerhouse that drives the entire system, from the hydraulics to the tracks. Modern excavators often use diesel engines for their reliable torque and fuel efficiency. Emission standards are increasingly stringent, and many engines now feature technologies that reduce environmental impact. The engine’s performance is critical, as it affects the excavator’s speed, responsiveness, and capability to handle heavy workloads. Good practices, such as regular servicing, are necessary to maintain engine performance and longevity.


SANY Excavators in Kansas City


Feature #8 – Linkage – SANY Excavators in Kansas City

Linkages are the jointed connections between different parts of an excavator’s arm. They ensure fluid motion and coordination between the boom, dipper, and bucket. Linkage designs vary, with some providing increased lifting power or improved digging depth. The rigidity and strength of the linkage components are paramount to withstand the stress of excavation. They are vital to transferring force throughout the arm, enabling precision and finesse in the excavator’s movements.


Feature #9 – Slew Ring

The slew ring, or swing bearing, allows the excavator to rotate 360 degrees. It is a critical pivot between the car body and the upper structure. The slew ring’s rotational capabilities enable the operator to reposition the arm without moving the entire machine. High-quality slew rings have robust sealing to prevent dust and debris intrusion, which can cause damage. The ability to turn while holding a load dramatically increases an excavator’s efficiency on site.


Feature #10 – Sprockets – SANY Excavators in Kansas City

Sprockets are part of the drivetrain and engage with the tracks to propel the excavator. They need to be exceptionally durable to withstand wear from constant movement and heavy loads. Regular inspection of the sprockets and their teeth is necessary to maintain drive efficiency and prevent track slipping. Their design typically includes an easy access point for cleaning, as the accumulation of debris can impact their function. Proper alignment of the sprocket teeth with the tracks is crucial for smooth operation.


Feature #11 – Tracks

Tracks, also known as crawlers, are the primary mobility mechanism for an excavator. They are made of durable materials like rubber or steel and grip the ground to move the machine smoothly. Tracks provide traction and distribute weight evenly, reducing damage to the terrain below. Advanced track designs incorporate self-cleaning treads and vibration reduction for improved performance. The tracks’ width can vary. Wider tracks generally provide better stability on soft or uneven surfaces. Regular maintenance of the tracks is essential for optimal excavator performance and longevity.


Feature #12 – Attachments – SANY Excavators in Kansas City

Attachments are crucial to an excavator’s versatility, allowing it to perform a wide range of tasks beyond digging. They can be easily swapped out and include options like hammers, grapples, augers, and shears. Each attachment serves a specific purpose and gives the operator more control over the machine’s movements. The compatibility of attachments varies between excavators, and selecting the right one for the job is critical. Proper installation, regular maintenance, and correct usage are necessary for safe and efficient operation of attachments.


SANY Excavators in Kansas City

State Tractor Equipment Company – SANY Motor Graders in Kansas City


At State Tractor Equipment, we are a SANY dealer in Kansas City and Springfield. We sell new and used machinery from SANY and GEHL. Contact us if you are in the market for SANY mini excavators in Kansas City, articulated loaders, motor graders, single drum rollers, skid loaders, telehandlers, track loaders, wheel loaders, or other heavy equipment.

If you are still deciding whether to buy, your construction equipment dealer in Kansas City also offers short and long-term rentals of excavators, single drum rollers, motor graders, telehandlers, wheel loaders, and mini excavators.

Visit us at STE if you need SANY service in Kansas City or want to see our equipment inventory in person. You can test drive a machine, meet our team, and discuss rental and purchase options. We are here to help you find the equipment you need at a price you can afford.

State Tractor and Equipment Company Inc.

5831 State Ave

Kansas City, KS 66102