--- title: Undercarriage url: https://parts.cat.com/en/catcorp/category/uc description: Shop Cat parts store for a wide range of undercarriage parts. Find the undercarriage components you need for heavy equipment maintenance and repair. --- # Undercarriage ## Category - [Bogies (42)](https://parts.cat.com/en/catcorp/category/uc-bogies?page=1&sortBy=0) - [Guards (994)](https://parts.cat.com/en/catcorp/category/uc-guards?page=1&sortBy=0) - [Rolling Components (1401)](https://parts.cat.com/en/catcorp/category/uc-rolling-components?page=1&sortBy=0) - [Rubber Track Undercarriage Components (265)](https://parts.cat.com/en/catcorp/category/uc-rubber-track-components?page=1&sortBy=0) - [Rubber Tracks (130)](https://parts.cat.com/en/catcorp/category/uc-rubber-tracks?page=1&sortBy=0) - [Seals (221)](https://parts.cat.com/en/catcorp/category/uc-seals?page=1&sortBy=0) - [Structures (363)](https://parts.cat.com/en/catcorp/category/uc-structures?page=1&sortBy=0) - [Track Adjustment (761)](https://parts.cat.com/en/catcorp/category/uc-track-adjustment?page=1&sortBy=0) - [Track Components (2651)](https://parts.cat.com/en/catcorp/category/uc-track-components?page=1&sortBy=0) - [Undercarriage Hardware (292)](https://parts.cat.com/en/catcorp/category/uc-hardware?page=1&sortBy=0) **1 - 16 of 1200 results** ### [619-9945: Idler Group](https://parts.cat.com/en/catcorp/product/619-9945) ![619-9945: Idler Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20220428-29938-02375?fmt=webp&hei=384&wid=384) Cat® Idler Group Standard Application, 292mm Rim Width, Interchangeable, 766mm Tread Diameter, Conventional Tread - Tread Diameter (in): 30.157 - Tread Type: Conventional Tread - Application: Standard Application,Standard Application - Center Flange Diameter (in): 31.732 - Center Flange Width (in): 5.217 - UC System: HD,HD - Shaft Length (in): 21.693 - Shaft Protrusion Length (in): 2.733 - Idler Rim Width (in): 11.496 - Machine Side: Interchangeable - Shaft OD (in): 5.365 ### [638-4572: Idler Group](https://parts.cat.com/en/catcorp/product/638-4572) ![638-4572: Idler Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20240419-c0850-c89d8?fmt=webp&hei=384&wid=384) Cat® Idler Group Standard Application, 338mm Rim Width, Interchangeable, 892mm Tread Diameter, Conventional Tread - Tread Diameter (in): 35.118 - Tread Type: Conventional Tread - Application: Standard Application,Standard Application - Center Flange Width (in): 5.886 - Center Flange Diameter (in): 36.693 - UC System: HD,HD - Shaft Length (in): 24.921 - Shaft Protrusion Length (in): 2.851 - Idler Rim Width (in): 13.307 - Machine Side: Interchangeable - Shaft OD (in): 6.389 ### [311-1300: Bogie Pin Assembly Cartridge](https://parts.cat.com/en/catcorp/product/311-1300) ![311-1300: Bogie Pin Assembly Cartridge](https://caterpillar.scene7.com/is/image/Caterpillar/CM20231006-f925f-f8126?fmt=webp&hei=384&wid=384) Cat® Bogie Pin Assembly Cartridge Standard Application, Oil, Major Bogie, Minor Bogie - Material: Steel,Oil Fluid - Length (in): 6.417 - Application: Standard Application,Standard Application - UC System: HD,HD - UC System - Designed For: Heavy Duty - OD Outer (in): 4.772 - Lubricant Type: Oil - Major Bogie: Yes - OD Inner (in): 4.746 - Minor Bogie: Yes ### [380-5940: Track Group](https://parts.cat.com/en/catcorp/product/380-5940) ![380-5940: Track Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251202-6c829-ed61f?fmt=webp&hei=384&wid=384) Cat® Track Group 1 Tooth Master, Single Grouser, 44 Sections, PPR, SALT, 610mm Shoe Width, 260.4mm Track Pitch - Link Inside Spread Sprocket (in): 5.315 - Rotating Bushing Track (Rbt): No - Track Pitch (in): 10.25 - Pin Retention System: Ppr - UC System: HD,HD - ARM: No - Shoe Width (in): 24.016 - Number of Sections: 44 - Track Bolt Thread: 1.125 - Number of Grousers: Single ### [309-7679: Track Roller Group](https://parts.cat.com/en/catcorp/product/309-7679) ![309-7679: Track Roller Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251202-13757-07d81?fmt=webp&hei=384&wid=384) Cat® Track Roller Group SINGLE FLANGE, Standard Application, 278mm Tread Diameter, 412.16mm Mounting Width, Carrier Roller Compatible - Tread Diameter (in): 10.945 - Flange Type: SINGLE FLANGE - Mounting Width (in): 16.227 - Application: Standard Application,Standard Application - UC System: HD,HD - Shaft Length (in): 21.102 - Carrier Roller Compatible: Yes - Link Outside Spread (in): 13.724 - Inside Spread (in): 5.299 - Shaft OD (in): 2.677 - Outer Flange Diameter (in): 12.283 ### [184-6305: Track Roller Group](https://parts.cat.com/en/catcorp/product/184-6305) ![184-6305: Track Roller Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20220428-df312-b95da?fmt=webp&hei=384&wid=384) Cat® Track Roller Group SINGLE FLANGE, Standard Application, 287mm Tread Diameter, 488.16mm Mounting Width, Carrier Roller Compatible - Flange Type: SINGLE FLANGE - Tread Diameter (in): 11.299 - Mounting Width (in): 19.219 - Application: Standard Application,Standard Application - UC System: HD,HD - Shaft Length (in): 25.276 - Carrier Roller Compatible: Yes - Link Outside Spread (in): 16.063 - Inside Spread (in): 5.697 - Shaft OD (in): 5.365 - Outer Flange Diameter (in): 12.638 ### [311-1299: Bogie Pin Assembly Cartridge](https://parts.cat.com/en/catcorp/product/311-1299) ![311-1299: Bogie Pin Assembly Cartridge](https://caterpillar.scene7.com/is/image/Caterpillar/CM20231006-c0824-88b8c?fmt=webp&hei=384&wid=384) Cat® Bogie Pin Assembly Cartridge Oil, Standard Application, Major Bogie, Minor Bogie - Material: Steel,Oil Fluid - Length (in): 5.295 - Application: Standard Application,Standard Application - UC System: HD,HD - UC System - Designed For: Heavy Duty - OD Outer (in): 4.022 - Lubricant Type: Oil - Major Bogie: Yes - OD Inner (in): 3.982 - Minor Bogie: Yes ### [561-5499: Rubber Track](https://parts.cat.com/en/catcorp/product/561-5499) ![561-5499: Rubber Track](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251218-8ddf5-16ee6?fmt=webp&hei=384&wid=384) Cat® Rubber Track 450mm Wide, 86mm Track Pitch, 56 Sections, Bar Tread Pattern - Material: Rubber,Rubber & Fiber Rubber - Belt Width (in): 17.717 - Track Pitch (in): 3.386 - UC System: HD,HD - Tread Pattern: Bar - Number of Sections: 56 ### [593-1012: Rubber Track](https://parts.cat.com/en/catcorp/product/593-1012) ![593-1012: Rubber Track](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251218-495d7-e939f?fmt=webp&hei=384&wid=384) Cat® Rubber Track 450mm Wide, 86mm Track Pitch, 56 Sections, Block Tread Pattern - Type: Heavy Duty - Color: Black,Black - Belt Width (in): 17.717 - Material: Rubber & Fiber Rubber - Track Pitch (in): 3.386 - Tread Pattern: Block - UC System: HD,HD - Number of Sections: 56 ### [602-0406: Track Segment](https://parts.cat.com/en/catcorp/product/602-0406) ![602-0406: Track Segment](https://caterpillar.scene7.com/is/image/Caterpillar/CM20220428-c0b7f-b981d?fmt=webp&hei=384&wid=384) Cat® power train sprocket segment with 6+ teeth assists in providing stability and control for your crawling equipment, for machines compatible with part 602-0406. - Number of Bolts: 8 - Tip Radius (in): 23.425 - Material: Alloy Steel - Pitch Circle Radius (in): 23.166 - Bushing Radius (in): 2.264 - UC System: HD,HD - Relieved: No - UC Compatible With: Heavy Duty - Tooth Width (in): 5.118 - Packing Offset Radius (in): 23.13 - Material Type: Tough Steel - Bolt Circle Radius (in): 18.268 - Pitch (in): 12.5 - Back Lash (in): 0.079 - Sound Segment: No - Sprocket Mounting Type: Offset - UC System - Designed For: Heavy Duty - Pocket Angle (degrees): 40 - Number of Teeth: 6 - Bolt Thread Size: 1.125 - Inner Radius (in): 17.047 ### [563-8470: Track Group](https://parts.cat.com/en/catcorp/product/563-8470) ![563-8470: Track Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20230501-cb80f-e9e3e?fmt=webp&hei=384&wid=384) Cat® Track Group 1 Tooth Master, Single Grouser, 41 Sections, PPR, SALT, ES, 810mm Shoe Width, 317.5mm Track Pitch - Link Inside Spread Sprocket (in): 4.646 - Track Shoe Hole Type: Not Applicable - Number of Track Sections: 41.0 - Rotating Bushing Track (Rbt): No - Pin Retention System: Ppr - UC System: HDXL,HDXL - ARM: No - Shoe Width (in): 31.89 - Number of Sections: 41 - Hole Type: Not Applicable - Grease Track Type: Not Applicable - Bushing Inside Diameter (in): 4.488 - Seal And Lube Type: SALT - Shoe Type: Es - Master Link Type: 1 Tooth Master - Track Pitch (in): 12.5 - Offset: Not Applicable - Track Bolt Thread: 1.375 - Number of Grousers: Single ### [620-6380: Track Roller Group](https://parts.cat.com/en/catcorp/product/620-6380) ![620-6380: Track Roller Group](https://caterpillar.scene7.com/is/image/Caterpillar/CM20221205-3cb88-47038?fmt=webp&hei=384&wid=384) Cat® Track Roller Group SINGLE FLANGE, Standard Application, 247mm Tread Diameter, 326.16mm Mounting Width, Carrier Roller Compatible - Tread Diameter (in): 9.724 - Flange Type: SINGLE FLANGE - Mounting Width (in): 12.841 - Application: Standard Application,Standard Application - UC System: HD,HD - Shaft Length (in): 17.953 - Carrier Roller Compatible: Yes - Link Outside Spread (in): 9.173 - Inside Spread (in): 3.606 - Shaft OD (in): 2.283 - Outer Flange Diameter (in): 10.827 ### [592-5830: Rubber Track](https://parts.cat.com/en/catcorp/product/592-5830) ![592-5830: Rubber Track](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251218-d067f-068a8?fmt=webp&hei=384&wid=384) Cat® Rubber Track 450mm Wide, 86mm Track Pitch, 60 Sections, Block Tread Pattern - Type: Heavy Duty - Color: Black,Black - Belt Width (in): 17.717 - Material: Rubber & Fiber Rubber - Track Pitch (in): 3.386 - UC System: HD,HD - Tread Pattern: Block - Number of Sections: 60 ### [607-4804: Rubber Track](https://parts.cat.com/en/catcorp/product/607-4804) ![607-4804: Rubber Track](https://caterpillar.scene7.com/is/image/Caterpillar/CM20251218-2e122-1464d?fmt=webp&hei=384&wid=384) Cat® Rubber Track 400mm Wide, 86mm Track Pitch, 53 Sections, Bar Tread Pattern - Type: Heavy Duty - Color: Black,Black - Belt Width (in): 15.748 - Material: Rubber & Fiber Rubber - Track Pitch (in): 3.386 - Tread Pattern: Bar - UC System: HD,HD - Number of Sections: 53 ### [311-1298: Bogie Pin Assembly Cartridge](https://parts.cat.com/en/catcorp/product/311-1298) ![311-1298: Bogie Pin Assembly Cartridge](https://caterpillar.scene7.com/is/image/Caterpillar/CM20231006-45f4c-bcdca?fmt=webp&hei=384&wid=384) Cat® Bogie Pin Assembly Cartridge Standard Application, Oil, Major Bogie, Minor Bogie - Material: Steel,Oil Fluid - Length (in): 4.134 - Application: Standard Application,Standard Application - UC System: HD,HD - UC System - Designed For: Heavy Duty - OD Outer (in): 4.022 - Lubricant Type: Oil - Major Bogie: Yes - OD Inner (in): 3.982 - Minor Bogie: Yes ### [533-6299: Track Shoe](https://parts.cat.com/en/catcorp/product/533-6299) ![533-6299: Track Shoe](https://caterpillar.scene7.com/is/image/Caterpillar/CM20231006-db360-5d79e?fmt=webp&hei=384&wid=384) Cat® Track Shoe 500mm Wide, Regular Joint, Rubber Pad - Shoe Type: Rubber Pad - UC System: GD,HD - ARM: No - Joint Type: Regular - Shoe Width (in): 19.685 - Plate Thickness (in): 1.969 - Track Bolt Thread: M16 - Bolt Hole Diameter (in): 0.709 - Clipped: No ## Key ### Factory Fit This part is designed to fit your Cat equipment based on the manufacturer’s specifications. Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts. - Remanufactured - Non-Returnable - Kit - Replaced ## Features and Benefits ### Over 100 years of Undercarriage innovation: Undercarriage components play a vital role in the efficient operation and movement of your equipment’s undercarriage system. Selecting high-quality undercarriage parts for heavy equipment is crucial in maintaining a sturdy and reliable support structure for your machines. Cat® undercarriage parts work as a powerful system to propel your machine over all types of terrain. Most importantly, we know how to help you get the most from your undercarriage investment. When you consider that 50% of a track-type machine's ownership and operating costs come from its undercarriage, it makes sense to invest in a system that will deliver the most value to your bottom line. ### Cat Undercarriage Features & Benefits: We offer more undercarriage options for your Cat machines than any other manufacturer because we know that the more precisely you match iron to application, the more effective and efficient your work will be. Whether you’re looking for the lowest upfront cost, longer wear life or lower operating costs per hour, we have the right undercarriage solution for your business. Every Cat Undercarriage is designed by Caterpillar engineers and built to exact specifications based on the real-world experience of our customers. And our Undercarriage systems come with industry leading warranties, so when you choose a Cat Undercarriage you know it’s the right choice. Below are just a few examples of Caterpillar Product Families and Sales Models we carry undercarriage parts for: - Compact Track Loaders (239 – 299) - Multi Terrain Loaders (247 – 297) - Track Type Loaders (953 – 973) - Small to Large Dozers (D1 – D11) - Mini to Large Excavators (300 – 395) - Expanded Mining products including Hydraulic Shovels, Electric Rope Shovels, and Mining Drills The following are some of the Cat Undercarriage parts that are available: Track Groups, Link Assemblies, Shoes, Segments and Sprockets, Idler Groups, Carrier Rollers Groups, Track Rollers Groups, Bottom Rollers and Idlers, Rollers and Idlers, Guars, Bogie Pins and Cartridges, Sliders, Track Group Segments, Track Pads, Recoil Groups, Rubber Belts and Rubber Belt Components. ## Reference - [UC Repair Options - Brochure](https://s7d2.scene7.com/is/content/Caterpillar/CM20170228-64270-01570?_ga=2.1134833.1751479746.1680553446-1243024336.1680553446) - [Maximizing Track Life](https://caterpillar.scene7.com/is/content/Caterpillar/C10290734?_ga=2.104159040.1336484545.1680558567-816181322.1680558567) - [Product Brochure for Small, Medium, and Large Excavators](https://s7d2.scene7.com/is/content/Caterpillar/CM20170914-40070-58058?_ga=2.33743137.1249438069.1662983837-980789030.1661896704) - [The Right Undercarriage System](https://s7d2.scene7.com/is/content/Caterpillar/CM20220301-1febf-b7596?_ga=2.29009468.1249438069.1662983837-980789030.1661896704) - [General Duty (GD) UC](https://s7d2.scene7.com/is/content/Caterpillar/CM20170815-36434-21713?_ga=2.28935740.1249438069.1662983837-980789030.1661896704) - [STTT - (GD / Cat Abrasion / HD / HDXL) Match Your Application and Underfoot Conditions](https://s7d2.scene7.com/is/content/Caterpillar/CM20220214-df959-34499?_ga=2.26441981.1751479746.1680553446-1243024336.1680553446) - [MTTT - (GD / Cat Abrasion / HD / HDXL / Tri/Quad) Match Your Application and Underfoot Conditions](https://s7d2.scene7.com/is/content/Caterpillar/CM20170913-40008-48927?_ga=2.194175661.1249438069.1662983837-980789030.1661896704) - [LTTT - (GD / HD / HDXL) Match Your Application and Underfoot Conditions](https://s7d2.scene7.com/is/content/Caterpillar/CM20170913-39869-13320?_ga=2.35789024.1751479746.1680553446-1243024336.1680553446) - [Cat Abrasion UC - Brochure](https://s7d2.scene7.com/is/content/Caterpillar/CM20201030-3c840-b0edb?_ga=2.24741434.1249438069.1662983837-980789030.1661896704) - [Heavy Duty Extended Life (HDXL) with Duralink UC - Brochure](https://s7d2.scene7.com/is/content/Caterpillar/CM20200820-a5f4f-30ce9?_ga=2.201359377.1249438069.1662983837-980789030.1661896704) - [Shoes - SES](https://s7d2.scene7.com/is/content/Caterpillar/CM20210914-2fc12-7e586?_ga=2.155026362.300226465.1663791835-2049218274.1663791835) - [Compact Rubber Track Guide (CTL, MTL, and MiniHEX)](https://s7d2.scene7.com/is/content/Caterpillar/CM20210405-7d775-2cbd7?_ga=2.24691130.1249438069.1662983837-980789030.1661896704) - [CTL - Rubber Track](https://s7d2.scene7.com/is/content/Caterpillar/CM20160330-38647-26991?_ga=2.222488987.1249438069.1662983837-980789030.1661896704) - [MTL - Rubber Track](https://s7d2.scene7.com/is/content/Caterpillar/CM20160330-38647-00710?_ga=2.22208955.1249438069.1662983837-980789030.1661896704) - [Cost Management](https://www.cat.com/en_US/support/maintenance/undercarriage/rubber-track/cost-management.html) - [Track Bar System](https://s7d2.scene7.com/is/content/Caterpillar/CM20210504-96bcd-3af79?_ga=2.54388968.1142474492.1664194291-2049218274.1663791835) - [Cat CVAs - Brochure](https://s7d2.scene7.com/is/content/Caterpillar/CM20210105-04acf-e7083) ## Videos - [UC Repair Options - video](https://youtu.be/XpUBJsVf5HA) - [Custom Track Service (CTS Pro)](https://youtu.be/RyQ1H3KzwJE) - [How to Measure an Undercarriage](https://youtu.be/fP5ysbGB2H0) - [Daily Workaround Inspection](https://youtu.be/mwDDC4KoITQ) - [How to Clean Your Undercarriage](https://youtu.be/gANHOUdz858) - [UC Maintenance - Tips and Tricks](https://youtu.be/GGBNZqaj_kI) - [UC Tips to Lower Life Time Costs](https://www.youtube.com/watch?v=pho0H1742lM) - [Cat Abrasion UC - Video](https://youtu.be/JjO3tHUWEOI) - [Heavy Duty Extended Life (HDXL) with Duralink UC - video](https://youtu.be/QptkCMxKUQc) - [Dozer Daily Walkaround](https://youtu.be/wo7hzIuOp8A) - [UC Maintenance - D11 Walkaround](https://youtu.be/BQr3WGFOz_c) - [CTL & MTL Durable Rubber Track](https://www.youtube.com/watch?v=IzPt3SLnJAQ) - [CTL - Rubber Track Maintenance & Adjustment](https://www.youtube.com/watch?v=RQukIW6kiX8) - [MTL - Rubber Track Maintenance & Adjustment](https://www.youtube.com/watch?v=aa4M3wWOFCc) - [Cat CVAs - Overview Video](https://youtu.be/u1M4xbwS6Es) - [Cat CVAs - Q & A Video](https://www.youtube.com/watch?v=eqIVNktsvw4) ## Product Pages Page 1 of 75 — showing results 1–16 of 1,200. - [Next page (2)](https://parts.cat.com/en/catcorp/category/uc?page=2) - [Last page (75)](https://parts.cat.com/en/catcorp/category/uc?page=75)