Excavator Undercarriage Parts

Undercarriage Parts for Excavators

We supply new aftermarket Undercarriage Parts for all excavator makes and models.

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Talk to a parts specialist and get the correct excavator undercarriage parts fast

Popular Excavator Undercarriage Components

CAT 308E2

Idlers

Final Drives

Sprockets & Segments

New Aftermarket Undercarriage Components for Excavators

The excavator undercarriage is the foundation of your machine, supporting its weight while delivering the traction, stability, and durability needed to perform in demanding working conditions. Components including track chains, track shoes, bottom rollers, top rollers, front idlers, sprockets, and track adjusters work together to maximize performance and minimize wear. At ConEquip Parts, we believe investing in quality new aftermarket excavator undercarriage parts creates long-term value by extending equipment life, improving reliability, reducing downtime, and lowering total ownership costs. The parts we supply are built to withstand challenging construction, excavation, demolition, utility, and earthmoving applications across a wide range of excavator makes and models.

Every order is reviewed by our experienced parts specialists to verify the correct fit using OEM cross references and critical specifications including rail pitch, link count, shoe width, bolt pattern, roller style, and mounting configuration. Even small differences can affect alignment, chain tension, and overall machine performance. By supplying durable, precision-engineered undercarriage components designed for long service life, we help contractors maximize uptime, protect their equipment investment, and build lasting value with every repair.

Why Choose ConEquip for Your Undercarriage Parts

Built for Long-Term Value: We focus on supplying durable new aftermarket excavator undercarriage components that help extend service life, improve machine reliability, and reduce the total cost of ownership over time.
Precision Fit Verification: Every track chain, roller, idler, sprocket, track shoe, and related component is matched using OEM cross references and critical machine specifications to help ensure proper fit and dependable performance.
Fast Nationwide Shipping: Our extensive supplier and distribution network allows us to source and ship correctly matched excavator undercarriage parts efficiently, helping reduce costly downtime and keep projects moving.
Experienced Parts Specialists: Our team reviews wear patterns, operating conditions, and machine configurations to recommend undercarriage components designed for balanced wear, maximum uptime, and lasting durability in demanding applications.

Speak with a Specialist About Your Undercarriage Needs

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Speak with a parts specialist for pricing, lead time and condition options.

Protect Excavator Performance With Correct Undercarriage Components

Excavator undercarriage parts carry the full weight of the machine while helping transfer travel force, maintain stability, and support smooth movement across changing ground conditions.... Track chains, track shoes, bottom rollers, top rollers, idlers, sprockets, recoil springs, and track adjusters all work together to keep the excavator properly aligned and moving efficiently. Because these components operate close to mud, rock, sand, debris, and heavy impact, they are exposed to constant wear that can affect traction, balance, travel speed, and overall machine control.

Undercarriage wear is often caused by abrasive material, incorrect track tension, worn sprocket teeth, seized rollers, damaged idlers, side-loading, poor cleaning habits, or replacing only one worn component when related parts are already near the end of service life. Addressing wear early helps prevent chain stretch, track slippage, uneven roller wear, de-tracking, and additional stress on final drives. Choosing properly matched, durable replacement components helps restore reliable movement, reduce downtime, and protect the long-term value of your excavator.

Ensuring Correct Excavator Undercarriage Fitment
Excavator undercarriage parts can vary by make, model, serial number range, track frame size, rail pitch, shoe width, roller style, and mounting configuration. To help confirm the correct replacement, it is useful to provide:
• Excavator make, model, and serial number
• Current part number or OEM reference if available
• Track chain pitch, link count, and shoe width when known
• Roller, idler, sprocket, or track adjuster measurements if available
• Photos of the worn component, mounting points, bolt pattern, and surrounding undercarriage area

Providing accurate information helps verify correct rail dimensions, bolt hole spacing, sprocket tooth profile, roller flange style, idler width, and track adjuster configuration for your excavator.

Common Signs Excavator Undercarriage Parts Need Replacement
Signs of undercarriage wear or failure include loose tracks, frequent de-tracking, uneven travel, reduced traction, damaged or bent track shoes, sharp sprocket teeth, leaking or seized rollers, worn idlers, abnormal vibration, excessive noise, and uneven wear from one side of the machine to the other. Replacing worn excavator undercarriage components before they cause related damage helps maintain machine stability, extend track life, and support dependable long-term operation.

Excavator Undercarriage Parts FAQs

An excavator undercarriage usually includes track chains, track shoes, bottom rollers, top rollers, front idlers, sprockets, recoil springs, and track adjusters. These components support the machine, guide the tracks, maintain tension, and help the excavator travel smoothly across demanding ground conditions.

Common warning signs include loose tracks, frequent de-tracking, sharp or hooked sprocket teeth, leaking rollers, seized rollers, worn idlers, cracked track shoes, uneven travel, abnormal vibration, and excessive noise while moving. Replacing worn parts early helps protect track life, final drives, and overall machine performance.

The most helpful information includes the excavator make, model, serial number, OEM part number, track chain pitch, link count, shoe width, roller style, sprocket tooth count, and photos of the existing part. This helps verify fitment, mounting configuration, and compatibility before ordering.

Incorrect track tension can shorten undercarriage life. Tracks that are too tight can increase stress on rollers, idlers, sprockets, chains, and final drives. Tracks that are too loose can cause slippage, poor alignment, and de-tracking. Proper tension helps improve wear balance and long-term durability.

It depends on the condition of the undercarriage. A single damaged roller or idler can often be replaced individually, but when track chains, sprockets, rollers, and idlers have worn together, replacing only one component may accelerate wear on the new part. Our parts specialists can help evaluate your machine and recommend the best solution for long-term performance and value. Request a free parts quote or call 1-716-836-5069 to speak with an undercarriage specialist.