| Machine | Sumitomo SC650 / SC650-2 / SC650DD-2 / SC650-3 |
|---|---|
| Part Type | Crane Track Shoes / Crawler Shoe |
| Material | 35SiMn with casting |
| OEM | Sumitomo Hitachi |
| Brand | SQ (ShunQi) |
| Machine Type | Crawler Cranes |
| Product Group | Crawler Parts |
| Warranty | 1-Year Free Replacement Warranty |
| WhatsApp — Get a Quote Typically replies within 2 hours · Send your machine serial number for fastest response |
Crane track shoes is an important part specially designed for crawler crane. Its main function is to support the weight of the crane body, maintain the linear movement of the chain track, and prevent the track from tilting and misplacing. It is a key factor to ensure the smooth operation of the crane.
These replacement crane track shoes for the Sumitomo SC650 and SC650-3 are cast from 35SiMn alloy steel — heat-treated through the full section, multiple-hinged design, same bolt pattern as the original crawler shoe. Direct fit for SC650, SC650-2, SC650DD-2, and SC650-3. When grouser bars wear below 10 mm or bolt hole cracks appear, the link pins and sprocket teeth take the load next — replacing the crawler shoe at that point costs less than waiting.
Every order of SC650-3 crane track shoes carries a 1-year free replacement warranty — quality failure under normal use means a new shoe ships out, not a repair kit. Available from specialized undercarriage parts manufacturers with documented supply history for this model.
Send us your serial number before ordering a full set — we'll confirm shoe count and pitch first.

Sales Team For any enquiries or questions, we will respond to you as soon as possible with the best service. | Technical Team Professional engineers with more than 20 years of practical experience in the industry will help you with the retrofit and maintenance of your crawler crane. | Quality Controller We have several tests to make sure good quality, such as Chemical composition, Hardening and Tempering, Depth of hardening. Those testing ensures that we could provide the high-quality crawler crane parts to customer. |
1-Year Free Replacement Warranty Every set of Sumitomo SC650 / SC650-3 crane track shoes ships with a 1-year free replacement warranty. A crawler shoe that cracks, fractures, or fails under normal working conditions within 12 months gets replaced — full shoe sent out, delivery confirmed. Send a photo of the failed part with your order reference to start the process. |
Crane track shoes ship on steel pallets — stacked flat, strapped down, loaded into the container as-is. Anti-rust treatment applied before packing. Full export documentation included as standard.
ShunQi (SQ) manufactures crane track shoes, crawler shoes, bottom rollers, top rollers, idlers, and drive sprockets for the full range of Sumitomo crawler cranes. Models currently in production include:
SC350 · SC400 · SC500 · SC500-2 · SC550-2 · SC650 · SC650-2 · SC650DD-2 · SC650-3 · SC700 · SC700-2 · SC800 · SC800HD · SC1000 · SC1000-2 · SC1500 · SC1500-2 · LS13RH · LS78RH · LS78RM · LS78RH5 · LS78RHD5 · LS98 · LS108RM · LS108RH5 · LS110C · LS118RH3 · LS118RH5 · LS118RH · LS118RM · LS120RH5 · LS138H · LS138RH5 · LS138RHD5 · LS208H · LS218H · LS218RH5 · LS238RH2 · LS238RH3 · LS238RH5 · LS248RH5 · LS458HD · LS468HD · LS518 · LS528 · LS528-S · SD205 · SD307 · SD407 · SD510 · SD610
* Don't see your model? Send us your serial number — we'll check and come back to you.
Custom branding, appearance colour, and non-standard dimensions are available on request for all crane track shoes and crawler shoe sets. Send us your drawings or a worn shoe to measure from.

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What material are the Sumitomo SC650-3 crane track shoes made from?These SC650-3 crane track shoes are cast from 35SiMn alloy steel and heat-treated through the full section. 35SiMn is a medium-carbon manganese-silicon alloy widely used for crawler shoe applications due to its high hardness, wear resistance, and impact toughness under heavy load cycles. |
Are these crawler shoes compatible with SC650, SC650-2, and SC650-3?Yes — the same crawler shoe fits SC650, SC650-2, SC650DD-2, and SC650-3. Before ordering, send us your machine serial number or a photo of the worn shoe and we'll confirm shoe width, pitch, and bolt pattern to ensure direct fit before anything is processed. |
When should I replace the crane track shoes on a Sumitomo SC650-3?Go by condition rather than hours. Three practical triggers: grouser bar worn below 10 mm, cracking at the bolt holes, or the crawler shoe plate warped when laid flat on a surface. Past those points, the link pins and sprocket teeth start taking damage that costs more to fix than the shoes themselves. |
| Trademark notice: Sumitomo, SC650, SC650-2, SC650DD-2, SC650-3 and all associated model names are cited solely to identify fitment compatibility. Parts supplied by PartsCrane / Quanzhou Shunqi Construction Machinery Parts Co., Ltd., Quanzhou, Fujian, China. Not manufactured by or affiliated with Sumitomo Heavy Industries, Ltd. |