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    AI Overview
    Excavator Bulldozer Undercarriage Parts D9n D9r Track Roller ...
    The front idler group for a Caterpillar 345D L excavator is commonly identified by the part number 248-7152 (or 2487152). Another related assembly for the same machine series includes 248-7151 (Idler Group-Front). 
    Key Details for 345D Idlers: 
    • Part Number: 248-7152 (Idler GP-FRONT).
    • Components: Often includes the idler wheel, recoil spring, and tensioner assembly.
    • Alternative Part Numbers: 115-6366, 248-7151.
    • Function: Ensures proper track tension and guides the track chain for the 345D. 
    It is recommended to verify the serial number of your 345D excavator with a dealer to ensure the correct idler, as different series (e.g., BYC1-UP) may have specific variations. 
    To help you find the exact match, could you please provide:
    • The serial number of your machine?
    • Are you looking for the full assembly (with adjuster) or just the idler wheel/shell?
     
    • Excavator Spare Parts Idler(999+) - Alibaba.com
      Types of Excavator Spare Parts: Idler Wheels An idler wheel, commonly referred to as an excavator idler, is a critical component o...
      Alibaba.com
    • Idler CAT 345B kpl. 115-6366 / 2487151 - excavator parts
      Idler for CAT 345B kpl. 115-6366 / 2487151 · Wide excavator parts range · Money back guarantee · Worldwide shipping · The product ...
      EXCAVATOR PARTS ONLINE
    • 297-9129 IDLER GP-FRONT - EXCAVATOR Caterpillar 345D L
      PART OF 294-1316 FRAME AR-UNDERCARRIAGE · 227-6037 GEAR & BEARING GP-SWING S/N ... PART OF 248-7152 IDLER GP-FRONT · 248-7152 IDLE...
      777parts.com
    • Excavator Spare Parts Idler(999+) - Alibaba.com
      Types of Excavator Spare Parts: Idler Wheels An idler wheel, commonly referred to as an excavator idler, is a critical component o...
      Alibaba.com
    • Idler CAT 345B kpl. 115-6366 / 2487151 - excavator parts
      Idler for CAT 345B kpl. 115-6366 / 2487151 · Wide excavator parts range · Money back guarantee · Worldwide shipping · The product ...
      EXCAVATOR PARTS ONLINE
    • 297-9129 IDLER GP-FRONT - EXCAVATOR Caterpillar 345D L
      PART OF 294-1316 FRAME AR-UNDERCARRIAGE · 227-6037 GEAR & BEARING GP-SWING S/N ... PART OF 248-7152 IDLER GP-FRONT · 248-7152 IDLE...
      777parts.com
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    My Ad Center

    Web results

    IDLER FOR CAT 941 D4D D4E CR2655


    SJ GET Parts
    https://www.sj-get.com › ... › Caterpillar style Idlers
    SJ GET Parts
    https://www.sj-get.com › ... › Caterpillar style Idlers
    54A.00 Idlers Wheels Suitable for Excavator, Loader, Backhoe, Dozer, Bulldozer, Digger. Buy UNDERCARRIAGE PARTS of CAT genuine, new parts with delivery, ...Read more

    BRAND NEW UNDERCARRIAGE / EXCAVATOR IDLER ...


    eBay
    https://www.ebay.com › ... › Wheels & Rims
    eBay
    https://www.ebay.com › ... › Wheels & Rims
    BRAND NEW UNDERCARRIAGE / EXCAVATOR IDLER HT 659, G345, 1F08, 3G350 *SHIPS FREE* ; Quantity. 1 available ; Item number. 276480191115 ; Brand. Unbranded ; LOCATION.Read more
    $2,999.99 · In stock · $7.95 delivery
    Missing: 945D ‎| Show results with: 945D
    People also ask
    What is the function of idler in undercarriage?
    In the undercarriage of an excavator, the idler wheel plays an important role. While it may not drive the track like the sprocket or carry full machine weight like the rollers, the excavator idler wheel guides the track chain, maintains correct tension, and absorbs operational shocks.Feb 9, 2026

    A Complete Guide to Excavator Idler Wheel: Function, Types, and Benefits


    DOZCO Australia
    https://dozco.com.au › blog › excavator-idler-wheel-fun...
    DOZCO Australia
    https://dozco.com.au › blog › excavator-idler-wheel-fun...
    What is the lower part of the excavator?
    The lower structure, or the undercarriage, is the foundational section of an excavator. It's the part that makes contact with the ground and enables movement.

    16 Excavator Parts You Need to Know | Al Marwan Machinery


    Al Marwan Machinery
    https://almarwan.com › news › excavator-parts-guide
    Al Marwan Machinery
    https://almarwan.com › news › excavator-parts-guide
    How to check undercarriage of excavator?
    Part of a video titled Excavator Undercarriage Maintenance: The Daily Walkaround
    1:10
    3:30
    Cat® Products
    YouTube·
    Dec 17, 2021

    Excavator Undercarriage Maintenance: The Daily Walkaround

    YouTube·Cat® Products·Dec 17, 2021
    YouTube
    In this video
    "...Another thing you want to check for is make sure all your track hardware is. There. Lastly we want to check your sprockets. And check for any bending braking or cracking...."
    From 1:10
    Part of a video titled Excavator Undercarriage Maintenance: The Daily Walkaround
    Another thing you want to check for is make sure all your track hardware is. There. Lastly we wantMoreAnother thing you want to check for is make sure all your track hardware is. There. Lastly we want to check your sprockets. And check for any bending braking or cracking.

    Excavator Undercarriage Maintenance: The Daily Walkaround


    YouTube
    https://www.youtube.com · Cat® Products
    YouTube
    https://www.youtube.com · Cat® Products
    What are undercarriage idler wheels or idler sprockets and how do they work in a track drive system?
    Idlers: These are stationary wheels that guide the track chains and help maintain the tension in the undercarriage. Sprockets: These are gears that engage with the track chains and propel the equipment by rotating them.Apr 25, 2023

    Undercarriage for Heavy Equipment: Comprehensive Guide - HEMS LTD


    HEMS LTD
    https://www.hemsltd.com › blog-undercarriage
    HEMS LTD
    https://www.hemsltd.com › blog-undercarriage

    Web results

    Excavator Guide Idler for Caterpillar E330dl E345D Tractor ...


    Made-in-China.com
    https://fortunepart.en.made-in-china.com › product › C...
    Made-in-China.com
    https://fortunepart.en.made-in-china.com › product › C...
    Excavator Guide Idler for Caterpillar E330dl E345D Tractor Crawler Undercarriage Track Parts. US$120.26. 10-19 Pieces.Read more
    5.0 · Review by MIC_BUYER
    Missing: 945D ‎| Show results with: 945D

    R944 front idler construction machinery undercarriage ...


    Quanzhou Red Hill Engineering and Machinery Co., Ltd.
    https://www.rhundercarriage.com › r944-front-idler-cons...
    Quanzhou Red Hill Engineering and Machinery Co., Ltd.
    https://www.rhundercarriage.com › r944-front-idler-cons...
    R944 front idler construction machinery undercarriage parts Excavator 944 quailty spare parts ; Method, casting ; Heat Treatment, Yes ; Hardness, HRC51-56.Read more
    Missing: 945D ‎| Show results with: 945D

    Caterpillar Excavator Idlers - High Quality & Durable


    Alibaba.com
    https://www.alibaba.com › showroom › caterpillar-exca...
    Alibaba.com
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    The Caterpillar excavator idler is a critical component of the crawler undercarriage system, playing a vital role in track alignment, tension management, and ...Read more
    Missing: 945D ‎| Show results with: 945D

    Undercarriage Parts Part Number Catalog


    Quanzhou Kequenda Engineering Machinery Co., Ltd
    https://www.kqdmachine.com › ... › Part Number Catalog
    Quanzhou Kequenda Engineering Machinery Co., Ltd
    https://www.kqdmachine.com › ... › Part Number Catalog
    We're well-known as one of the leading undercarriage parts part number catalog manufacturers and suppliers in China. We warmly welcome you to buy high ...

    Caterpillar 345D L - EXCAVATOR


    777parts.com
    https://777parts.com › caterpillar › SEBP54850353
    777parts.com
    https://777parts.com › caterpillar › SEBP54850353
    PART OF 294-1316 FRAME AR-UNDERCARRIAGE · 227-6037 GEAR & BEARING GP-SWING S/N ... PART OF 248-7152 IDLER GP-FRONT · 248-7152 IDLER GP-FRONT S/N BYC1-UPRead more

    Idler CAT 345B kpl. 115-6366 / 2487151


    EXCAVATOR PARTS ONLINE
    https://excavators-parts.com › ... › Undercarriage › Idlers
    EXCAVATOR PARTS ONLINE
    https://excavators-parts.com › ... › Undercarriage › Idlers
    Idler for CAT 345B kpl. 115-6366 / 2487151 · Wide excavator parts range · Money back guarantee · Worldwide shipping · The product may differ from the photo shown.Read more
    €1,334.00 · 14-day returns

    Idlers and Rollers Undercarriage Parts


    DMC Wear Parts
    https://dmcwearparts.com › undercarriage-parts › rollers-...
    DMC Wear Parts
    https://dmcwearparts.com › undercarriage-parts › rollers-...
    DMC Wear Parts offers an extensive range of undercarriage idler and roller components for crawlers, dozers, excavators, compact track loaders, and other types ...Read more

    Front Idler 248-7151 2487151 for CAT 349D 349F 352F ...


    SJ GET Parts
    https://www.sj-get.com › ... › Caterpillar style Idlers
    SJ GET Parts
    https://www.sj-get.com › ... › Caterpillar style Idlers
    The front idler holds the track chain in proper alignment while the machine is traveling and acts as a shock absorber and chain tensioner.Read more
    Missing: 945D ‎| Show results with: 945D
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