Wear Parts for Excavator
Track Roller

Caterpillar excavator undercarriage bottom track roller for E330D E345DL E336DL

Our excavator track roller, durable excavator undercarriage parts, uses quenched steel for great wear resistance. Double seals prevent mud ingress. Precision machining enables direct fitting as excavator replacement track roller. Thick structure holds heavy loads. Factory supply affordable heavy equipment chassis spare parts for all construction machinery.
  • brand:

    Caterpillar
  • color:

    Black or Yellow
  • Warranty:

    12 months
  • Process:

    Forging
  • Hardness Depth:

    8-12mm
  • Surface Hardness:

    HRC52-58
  • Material:

    50MnB
  • Moving Type:

    Crawler excavator
  • products details

Product Description

Crawler heavy equipment construction machinery bottom track roller for tractor parts replacement FT excavator track roller, also named excavator bottom roller and down roller, is essential heavy equipment chassis spare parts for all types of diggers. As key construction machinery track roller, this wear-resistant track roller supports the full weight of excavators while driving on muddy, rocky and rough job sites.
This tractor replacement track roller perfectly cooperates with track chains and other chassis accessories to stabilize the whole walking system, prevent track derailment and vibration during long-hour excavation work. We produce aftermarket track rollers compatible with Caterpillar, Komatsu, Hitachi, Sany, Doosan,JCB and other mainstream excavator brands, serving as long-lasting excavator undercarriage parts for machinery repair shops, construction teams and equipment leasing companies.




Features

  • Premium Wear-Resistant Material
    Adopt high-strength forged steel with integral quenching treatment, featuring ultra-hard surface and anti-abrasion performance. Effectively extend service life under long-time heavy-load construction, cut frequent replacement cost of excavator chassis parts.
  • Sealed Lubrication Structure
    Dual-layer oil seal & high-precision oil storage cavity design prevent mud, water, sand and dust intrusion. Internal lubricating grease stays stable to avoid axle seizure, greatly lower track roller breakdown rate on harsh working grounds.
  • Precise Machining & Perfect Matching
    Strict CNC dimensional processing ensures seamless fit with excavator track frame, track chain and idler wheel. Compatible with Caterpillar, Komatsu, Hitachi, Hyundai, Doosan, Sany excavator models; no modification needed for direct installation.
  • Strong Load-Bearing & Anti-Impact Performance
    Thickened roller body and solid shaft structure resist sharp rock impact and heavy vehicle load. Avoid roller deformation, track derailment and chassis damage during excavation, mountain and engineering construction.
  • Cost-Effective Aftermarket Undercarriage Parts
    Factory direct supply without middlemen, stable stock for bulk orders. Balanced durability and price, ideal replacement spare parts for construction machinery maintenance companies, equipment rental firms and engineering teams.

  • Functions

    • Support the track as its most between the sprocket and idler
    • Guide the track between the sprocket and idler
    • Strength to resist failure before tread wear life is utilized
    • Treads wear life matched to track links
    • Treads and flanges rebuild able on forged shells
    • Thru-hardened flanges to resist bending and improve rebuild ability


    Construction Machinery Spare Parts Track Roller


    Product Parameters


    Name
    Track roller/Lower roller/Down roller for digger and tractor machine
    Moving Type
    Crawler excavator and bulldozer
    Type
    Excavator undercarriage parts
    Process
    forging
    Hardness Depth
    8-12mm
    Surface Hardness HRC52-58 
    Material  50MnB
    Minimum Order Quantity  5 Piece/Pieces 
    Port Xiamen Port 
    Warranty  12 months 
    Supply Ability  100000 Piece/Pieces per Month 
    Packaging Details  Standard export fumigated wooden pallet 
    Delivery Detail Within 30 days after contract established 
    Payment Terms L/C,T/T,Western Union,MoneyGram 

    Why Choose us?

    Good lubricated oil recycle system
    Deep hardened wear surface
    High hardness: HRC52-58, depth: 8mm-12mm
    Good bronze bushings
    Strict Quality Control
    OEM mounting dimension
    Certificated by ISO9001:2008
    Produce as per client's samples, designs and drawings


    Caterpillar Undercarriage Track Roller List
    Rollers (CR = Carrier Roller, SF = Single Flange Track Roller, DF = Double Flange Track Roller)
    Application OEM Part No Pos Alternative Nos. Berco Ref ITM Ref Notes
    Caterpillar Bulldozers & Tractors
    D3, D3B, 931 6S3607 SF 3T4352 CR3000 A01030A0M00
    6S3608 DF 3T4353 CR3001 B01030A0M00
    6S3609 CR
    CR3002 C0103100N00
    D4D, D4E, 933 9P7783 SF 1181608, 7K8095, 6T9887 CR1328 A0104000M00
    9P7787 DF 1181609, 7K8096, 6T9883 CR1329 B0104000M00
    6K9879 CR 6K9880 CR2880 C0104100M00
    D5M, D4H, 943 1248237 SF 7G4836 CR6150 A01040L0M00 With Collars
    1248240 DF 7G4837 CR6151 B01040L0M00 With Collars
    6K9879 CR 6K9880 CR2880 C0104100M00
    D6M, D5B,D5H, 955H/K & 953 1210824 SF 9P1368, 6T9879, 9S9539 CR6152 A01050L1M00 With Collars
    1210827 DF 9P1363, 6T9875, 9S9538 CR6153 B01050L1M00 With Collars
    9S3570 CR 5A8374 CR2881 C0105100M00 For D5B, 953
    6Y3908 CR
    CR4799 C01051H0M00 For 5H, D6M
    D6H, D6R, 963 1205746 SF 7T4102, 1254175 CR6088 A01060L0M00 With Collars
    1205766 DF 7T4107, 1254176 CR6089 B01060L0M00 With Collars
    6Y1781 CR
    CR4800 C01061H0M00
    D6D 7G0421 SF 1181617, 9G8029 CR3634 A01060D0M00 ¾” Coll Bolts
    7G0423 DF 1181618, 9G8034 CR3635 B01060D0M00 ¾” Coll Bolts
    9S2730 CR 3T3206 CR2650 C0106100M00
    D6C, 955K/L 9S9403 DF 1181614, 6Y2901, 9G8099 CR1793 A0106000M00 5/8” Coll Bolts
    9S9404 DF 1181615, 6Y2903, 9G8098 CR1792 B0106000M00 5/8” Coll Bolts
    9S2730 CR 3T3206 CR2650 C0106100M00
    D7H, D7R 1248250 SF 9W5586, 6T9871 - - With Collars
    1248253 DF 9W5585, 6T9867 - - With Collars
    9M0638 CR 1P8717 CR2876 C0107100M00
    D7F, D7G, 977L 9S0316 SF 1181623, 4S9051 CR2617 A01070A0M00 7/8” Coll. Bolts
    9S0317 DF 1181625, 8S2933 CR2615 B01070A0M00 7/8” Coll. Bolts
    9M0638 CR 1P8717 CR2876 C0107100M00
    D7E 9S7284 SF 1P9100, 9S7388 CR1652/1 A107001M00 ¾” Bolts
    9S7286 DF 1P9102, 9S7387 CR1652/2 B107001M00 ¾” Bolts
    9M0638 CR 1P8717 CR2876 C0107100M00
    D8N 1969947 SF 9W8705, 1327928, 7T9188 CR4528 A01089L1M00
    1969946 DF 9W8706, 1327929, 7T9193 CR4529 B01089L1M00
    D8L 9W7826 SF 7G7594 CR4504 A01089L1M00
    9W7827 DF 7G7559 CR4056 B01089L1M00
    D8K 7S9041 SF 6P4897 CR2798 A0108000M00 1” Coll. Bolts
    7S9042 DF 6P4898 CR2782 B0108000M00 1” Coll. Bolts
    9P2663 CR 8M0380, 7M5202, 8P6256 CR3512 C0108100M00
    D9N 7T1258 SF 1043495, 1969955 CR4672 A01099N1M00
    7T1253 DF 1043496, 1969954 CR4673 B01099N1M00
    D9L 6Y2950 SF 7T1831, 9G8641 CR4234 A01099LAM00
    6Y2951 DF 9G8642 CR3756 B01099LAM00
    D9H 8P5605 SF 7S7672 CR4291 A01090C0M00
    8P5604 DF 7S7673 CR4292 B01090C0M00
    7M5288 CR 3P3403 CR3518 C01091E0M00
    D10N 7T0682 SF 6Y0889, 1253268 CR5041 A01109NCM00
    7T0687 DF 6Y0890, 1253270 CR5043 B01109NCM00
    Caterpillar Excavators
    CAT320B/C/D/E 1175045 SF 8E5034, 1634143 CR5572 A7820000M00 Also E200
    8E5600 CR
    CR5592 C7820100M00 Also E200
    322 1634145 SF 6I9396 CR5726 A0122000M00
    325 1175046 SF 6Y1057, 1634147 CR5525 A01250C0M00
    6Y5323 CR 6Y8080, 6Y8227 CR5595 C0125100M00
    330 1175047 SF 6Y2795, 1634149, 1503987 CR5897 A0130000M00
    6Y5323 CR 6Y8080, 6Y8227 CR5595 C0125100M00
    340, 345 1787293 SF 1524128, 1486522 CR6590 -
    1247280 CR
    CR6596 -
    350 1890475 SF 1524129 CR6401

    8E4623 CR
    CR6400

    307, 307B 1273806 SF
    - -
    1028076 CR



    312, 311 1519747 SF 4I7346, 861934 CR5108 -
    4I7345 CR 990178, 990179


    215, 225 7T6394 SF 8E5745 PC395 A3208000M00
    219, 225 8E4573 SF 9W6789 CJ5110 A0125000M00
    205 (B4) 8E7494 SF 7T6395, 5W4144 PC377 A1404000M00

    Production Show

    Excavator Lower Roller With Cast Iron Bushing


    Excavator and bulldozer roller material inspection


    FAQ

    What Xiamen Fortune Industrial Co.,Limited supply?

    We mainly supply crawler excavator and dozer undercarriage parts, such as Track roller, Carrier roller, Sprocket, Idler,Recoil spring assy, Track chain, Track shoe, Track bolt&nut,Track chain guard, Excavator bucket,Bucket teeth&adaptor, Bucket Link,Cutting Edge and End Bits, Hydraulic Cylinder, Bucket pin&bush,Slewing Bearing, Long reach boom and arm, etc.


    How to confirm the spare parts will fit our crawler excavator and dozer?
    Please send us your excavator and dozer model name, part number, Berco number, or technical drawings and dimensions.


    How about the construction machinery excavator and dozer undercarriage parts Quality Control?

    We have an excellent QC system, will inspect every production process,quality and specification, to be sure best quality and correct size, untill packages finished and loaded into container.


    What is payment term?
    TT, L/C, Paypal, Western Union, other payment term also can be negotiated.

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    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
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