Excavator Undercarriage Parts are essential components of an excavator's chassis that support and facilitate the movement of the machine. These parts are crucial for ensuring stability, traction, and overall performance. Here are some common excavator undercarriage parts:
1. Track Chains:
Track chains are the metal links that form the continuous track loop around the undercarriage.
They support the weight of the excavator and provide traction for movement.
2. Track Shoes:
Track shoes are the plates that make contact with the ground and help distribute the machine's weight over a larger surface area.
They come in various designs for different terrains and operating conditions.
3. Track Rollers:
Track rollers support the weight of the excavator and guide the track chain along the undercarriage.
They help reduce friction and ensure smooth track movement.
4. Sprockets:
Sprockets are toothed wheels that engage with the track chain and provide the driving force for the tracks.
They help propel the excavator by engaging with the track links.
5. Idlers:
Idlers are located at the front of the undercarriage and help maintain tension in the track assembly.
They guide the track chain and reduce wear on the tracks and other undercarriage components.
6. Track Tensioners:
Track tensioners maintain the correct tension in the track assembly to prevent slippage and ensure optimal performance.
They help extend the life of the tracks and other undercarriage components.
7. Bottom Rollers:
Bottom rollers support the weight of the excavator and help distribute the load evenly across the undercarriage.
They also assist in guiding the track chain and reducing friction.
8. Track Pins and Bushings:
Track pins and bushings connect the track links together and allow for articulation as the tracks move over uneven terrain.
They are critical for maintaining the integrity and flexibility of the track assembly.
9. Track Pads:
Track pads are rubber or metal plates that are attached to the track shoes to provide additional traction and protect surfaces like roads or delicate terrains.
They help reduce noise and vibration during operation.
10. Support Rollers:
Support rollers are located along the sides of the undercarriage and provide additional support and stability.
They help distribute the weight of the excavator and maintain proper track alignment.
11. Track Adjusters:
Track adjusters, also known as track tensioners, help maintain proper track tension by adjusting the tension of the track assembly.
They play a crucial role in preventing track slippage and ensuring optimal track performance.
12. Carrier Rollers:
Carrier rollers are located on the upper part of the undercarriage and support the weight of the excavator.
They help guide the track chain and maintain proper track alignment.
13. Bolts and Nuts:
Bolts and nuts are used to fasten various undercarriage components together, such as track shoes, track links, rollers, and idlers.
Properly tightened bolts and nuts are essential for maintaining the structural integrity of the undercarriage.
14. Track Frame:
The track frame is the main structural component of the undercarriage that supports and houses the track assembly.
It provides stability and strength to the excavator's undercarriage.
15. Track Guards:
Track guards are protective covers that help shield the track assembly and undercarriage components from debris, rocks, and other hazards.
They help extend the lifespan of the undercarriage by reducing wear and damage.
16. Floating Seals:
Floating seals, also known as duo-cone seals, are used in track rollers and idlers to prevent the ingress of contaminants and retain lubrication.
They help maintain the integrity of critical undercarriage components in harsh operating conditions.
17. Rubber Tracks:
In addition to traditional steel tracks, some excavators use rubber tracks for specific applications.
Rubber tracks provide improved traction, reduced ground pressure, and less damage to delicate surfaces.
18. Grease Seals:
Grease seals are used in various undercarriage components to retain lubrication and prevent dirt and moisture from entering critical areas.
They help reduce friction, wear, and corrosion in the undercarriage.
19. Link Assemblies:
Link assemblies connect the track chains to form the continuous loop around the undercarriage.
They are designed to withstand heavy loads and provide flexibility for track movement.
20. Wear Pads:
Wear pads are installed on certain undercarriage components to reduce friction and wear between moving parts.
They help prolong the lifespan of undercarriage parts and minimize maintenance requirements.
21. Rock Guards:
Rock guards are protective plates or shields attached to the undercarriage to shield vulnerable components from impacts with rocks, debris, or other obstacles.
They help prevent damage and extend the lifespan of undercarriage parts.
22. Track Tension Adjusters:
Track tension adjusters allow for the adjustment of track tension to ensure optimal track performance and prevent issues like track slippage.
Properly adjusted track tension is essential for maintaining the stability and efficiency of the excavator.
23. Steel Tracks vs. Rubber Tracks:
Excavators may be equipped with either steel tracks or rubber tracks, each offering distinct advantages based on the terrain and application.
Steel tracks provide durability and traction for demanding conditions, while rubber tracks offer reduced ground pressure and less damage to surfaces.
24. Track Bolt Retainers:
Track bolt retainers are used to secure track bolts in place and prevent them from loosening due to vibration or heavy operation.
They help maintain the integrity of the track assembly and prevent track shoe dislodgment.
25. Bushings and Pins:
Bushings and pins are essential components that connect various undercarriage parts, such as track links, rollers, and idlers.
They allow for articulation and movement of the undercarriage components and are critical for the smooth operation of the excavator.
26. Track Pads with Inserts:
Some track pads feature inserts made of materials like rubber or polyurethane to improve traction, reduce noise, and enhance wear resistance.
Track pads with inserts are designed for specific applications where increased grip or reduced ground disturbance is required.
27. Sprocket Segments:
Sprocket segments are individual sections that make up the sprocket wheel and engage with the track chain to drive the excavator.
They are replaceable components that endure high levels of wear and play a key role in propelling the excavator.
28. Undercarriage Wear Indicators:
Wear indicators are visual markers or features on undercarriage components that help operators assess the condition of parts and determine when replacement is necessary.
Monitoring wear indicators allows for proactive maintenance and reduces the risk of unexpected failures.
29. Undercarriage Lubrication Points:
Regular lubrication of undercarriage components is essential for reducing friction, preventing wear, and extending the lifespan of parts.
Identifying and properly lubricating key points in the undercarriage system is vital for maintaining optimal performance.
30. Undercarriage Overhaul Kits:
Overhaul kits contain a comprehensive set of replacement components for the undercarriage, including track chains, rollers, sprockets, and other wear parts.
These kits are used during major maintenance intervals to refresh the undercarriage and ensure reliable operation.
These excavator undercarriage parts work together to support the machine's weight, facilitate movement across various terrains, and ensure smooth operation during excavation and other tasks. Regular maintenance and timely replacement of worn or damaged undercarriage parts are essential for maximizing the performance and longevity of the excavator.
Price range for excavator undercarriage parts
The price range for excavator undercarriage parts can vary widely depending on several factors, including the brand, quality, compatibility with specific excavator models, material construction, and the part's complexity.
1. Track Chains:
Price Range: $1,000 to $5,000 per chain (depending on size and quality)
2. Track Shoes:
Price Range: $100 to $500 per shoe
3. Track Rollers:
Price Range: $100 to $400 per roller
4. Sprockets:
Price Range: $200 to $800 per sprocket
5. Idlers:
Price Range: $200 to $600 per idler
6. Track Tensioners:
Price Range: $100 to $400 per tensioner
7. Bottom Rollers:
Price Range: $100 to $400 per roller
8. Track Pins and Bushings:
Price Range: $20 to $100 per set
9. Track Pads:
Price Range: $50 to $200 per pad
10. Support Rollers:
Price Range: $100 to $300 per roller
11. Carrier Rollers:
Price Range: $150 to $500 per roller
12. Bolts and Nuts:
Price Range: $1 to $10 per bolt or nut
13. Track Frame:
Price Range: Varies widely depending on the size and complexity of the frame. Can range from hundreds to thousands of dollars.
14. Track Guards:
Price Range: $50 to $200 per guard
15. Floating Seals:
Price Range: $50 to $200 per seal
16. Rubber Tracks:
Price Range: $500 to $2,000 per track (for a set of two tracks)
17. Grease Seals:
Price Range: $5 to $50 per seal
18. Link Assemblies:
Price Range: $200 to $800 per assembly
19. Wear Pads:
Price Range: $10 to $50 per pad
20. Rock Guards:
Price Range: $50 to $200 per guard
21. Track Adjusters:
Price Range: $100 to $500 per adjuster
22. Steel Tracks vs. Rubber Tracks:
Price Range: Steel tracks generally cost more than rubber tracks, with steel tracks ranging from $1,000 to $5,000 per set and rubber tracks from $500 to $2,000 per set.
23. Track Bolt Retainers:
Price Range: $5 to $20 per retainer
24. Bushings and Pins:
Price Range: $10 to $50 per set
25. Track Pads with Inserts:
Price Range: $100 to $300 per pad
Please note that these price ranges are approximate and can vary significantly based on factors such as brand reputation, aftermarket vs. OEM parts, availability, and regional pricing differences. It is advisable to obtain specific quotes from suppliers or dealers for accurate pricing based on your excavator model and requirements.
For the most up-to-date and accurate pricing information, it is recommended to contact authorized dealers, manufacturers, or suppliers specializing in excavator undercarriage parts. They can provide detailed pricing based on your specific needs and help you choose the best parts within your budget.
