Undercarriage Parts

-25%
Bottom Roller RD118-21700 for Kubota Excavator KX121-3 KX040-4
CLEARANCE
-32%
Track Roller 7109409 for Bobcat Loader MT50 MT52 MT55 MT85
CLEARANCE
-15%
Track Roller 9237937 for John Deere Excavator 27D 35D 35G
CLEARANCE
-26%
Top Roller Carrier 7020867 for Bobcat Excavator E45 E50 E32 E35 E42 E55
CLEARANCE
-41%
Bottom Roller 7019167 for Bobcat Mini Excavator 331 335 337 430 334 435
CLEARANCE
-8%
2 Pieces Drive Sprocket 7272561 for Bobcat MT85 MT100 Mini Track Loader
CLEARANCE
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2
3
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OEM-Quality Undercarriage Parts

FridayParts understands that your heavy machinery’s stability and traction depend on its undercarriage parts. Whether you operate excavators, dozers, or track loaders, a durable undercarriage ensures efficiency on every job site. Over time, undercarriage wear is inevitable — especially in rock, mud, or uneven terrain. Uneven track tension, excessive vibration, or slippage are the main symptoms indicating it’s time to inspect or replace worn undercarriage parts before larger failures occur.

More than half of your tracked machine’s lifetime costs come from the undercarriage, making quality replacement a smart investment. Therefore, FridaParts provides OEM-quality chassis parts, which can save you high maintenance costs while ensuring quality.

Essential Undercarriage Parts

The undercarriage parts form a complete track system that propels and stabilizes machinery. Each part handles a specific task:

  • Track Roller – Carries machine weight and maintains contact between track and ground.
  • Carrier Roller – Guides the track chain from above, preventing sagging.
  • Front Idler – Controls tension and alignment, reducing vibration.
  • Sprocket – Transfers drive power through the track links.
  • Bucket Tooth – Boosts digging capability and ground engagement on loaders and excavators.
  • Chain Guard – Shields the chain assembly from debris, ensuring longer service life.
    Together, these parts create balance, traction, and power transmission to keep your off-road machinery operating smoothly across harsh conditions.

Undercarriage Parts Comparison Table

Component Function Typical Replacement Interval FridayParts Advantage
Track Roller Supports track load 1,500–2,000 hours Enhanced sealing & wear resistance
Carrier Roller Guides the upper track Every 2–3 years Precision heat treatment for strength
Front Idler Maintains tension 2,000–4,000 hours Smooth tracking & noise reduction
Sprocket Drives track 2,500 hours OEM‑level fit & finish
Bucket Tooth Digs & breaks ground 500–1,000 hours Strong penetration & easy installation
Chain Guard Protects the chain system 4,000 hours High impact protection

Maintenance Tips for Longer Undercarriage Life

Routine care helps stretch every dollar of your investment:

  • Maintain proper track tension — too tight causes premature roller wear; too loose risks derailment.
  • Grease and inspect seals regularly to avoid dirt contamination.
  • Rotate or flip bucket teeth to ensure even wear.
  • Clean debris from chain guards and sprockets after heavy use.

By following these preventive steps, your undercarriage parts will endure extreme conditions and maximize productivity.

Upgrade Your Equipment Today!

FridayParts delivers exceptional undercarriage parts at affordable prices without compromising quality. Explore our full selection of track rollers, carrier rollers, front idlers, sprockets, bucket teeth, and chain guards to find the perfect match for your equipment. Keep your operation moving — When you source from FridayParts, you’re not just buying replacement parts — you’re securing uptime, performance, and peace of mind.

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