3T4353 Track Rollers CAT Bottom Roller for D3C

We offer hundreds of high performance and reliable track rollers. Our professional whole heating quenching and tempering increase its service life.
  • order(moq):

    1 PCS
  • Payment:

    T/T, L/C, D/P, Western Union
  • product origin:

  • Color:

    Yellow Black or Customized
  • shipping port:

    XiaMen, China
  • Lead Time:

    30 days
  • Raw Material:

  • Product Detail

CAT Track Roller OEM Excavator Spare Parts Undercarriage Parts

1. What is a Track Roller?

Track roller can support the conveyor belt and the weight of the material. Our track roller is made of high quality alloy steels and seals, it has good combination mechanical properties through the whole heating quenching and tempering.

Track roller structure

2. Main Materials

Main body 50Mn/40Mn2 Alloy steel Shaft 45# Alloy steel
Side cover 50Mn/40Mn2 Alloy steel Bi-metal sleeve CuPb10Sn10
Ring float Cr16Mo2NiCu Hexagon bolt JB/T1000-1977 OEM
O-ring High quality rubber Lubricated oil High quality 40#

3. Manufacturing Processes

4. Our Advantages

  • Advanced Germany KUKA automatic machining center, horizontal and vertical CNC machining ensure the accuracy of assembly dimensions. This is to maximize the life span of each component and minimize production cost.
  • Panasonic automatic welding robot from Japan makes sure we have steady and good welding quality.
  • Through quench-tempering processes to ensure excellent mechanical properties, high strength and superior wear resistance to avoid bending and breakage.
  • 100% quality assurance, develop and manufacture follow or even exceed original ones.

5. Main Dimensions of Installation

Bulldozer track roller drawings

Main Parameters

Brand Model  Dimensions of Installation
      CATERPILLAR E55 135 100 110 194 150 12
E70B 135 110 136 240 208 13.5
E220B 185 150 220 335 296 21.5
E240 192 160 228 372 330 19.5
E312 168 138 186 299 266 18
E320 185 150 220 334 296 21.5
E325 195 160 240 385 339 22
E300B 215 180 250 398 350 20
EL300 226 190 240 377 330 20.5
E330 215 178 256 417 370 21.5

The models above are just for reference, we can't list all models here. We can supply more products as your requirements. Please feel free to send us your inquiry.

6. Hot Sale Products

Hot sale bulldozer spare parts

7. Why Choose Us?

  • World-class quality
  • Factory sale directly with reasonable price
  • 35 years' experience in Excavator & Bulldozer spare parts manufacturing
  • Flexible payment terms including T/T, L/C and so on 
  • Fast delivery within 30 days after contract established
  • Professional sales team, quality inspection, maritime logistics guidance
  • After-sale services: video technical support, 24h online support

We are a professional Excavator and Bulldozer spare parts manufacturer in China, we offer customized products that could meet your various needs. Follow us, we will exceed your expectation.


1. Our Factory View

YinTai Factory View


2. Our Inspection Equipments

Spare Parts Inspection Equipments

 3. Our Main Certificates

Yintai Certificates

4. Our Packing

Packing and Delivery

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