{"title":"Cat 305CR Tracks \u0026 Parts","description":"\u003cp\u003eShop verified-fit rubber tracks and undercarriage parts for the Cat 305CR.\u003c\/p\u003e","products":[{"product_id":"heavy-duty-400x72-5wx76-block","title":"16\" Heavy Duty Mini Excavator Tracks (400x72.5Wx76)","description":"\u003cp\u003e\u003cstrong\u003e400x72.5x76 replacement rubber tracks\u003c\/strong\u003e cover multiple verified machine platforms, including \u003cstrong\u003eBobcat E60, Bobcat E62, Bobcat E63, Case CX57, Case CX57C, and Case CX60C\u003c\/strong\u003e and 44 additional applications. This Heavy Duty configuration is built for mini excavators that need dependable traction and controlled travel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximize Uptime. Lower the Cost Per Hour.\u003c\/strong\u003e A failed track costs more than the replacement—it costs production time. This Heavy Duty replacement track is built for contractors and fleets that need dependable machine availability, predictable wear and useful traction instead of mid-job interruptions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrackTECH Advantage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Steel Cord:\u003c\/strong\u003e Jointless internal steel cable construction removes splice points and reinforces the track against stretching and high-load stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Steel Links:\u003c\/strong\u003e Heat-treated internal guide links support consistent sprocket engagement under repeated torque and load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear \u0026amp; Ground Contact:\u003c\/strong\u003e Heavy-duty lug geometry balances traction, footprint stability and long-wearing contact across everyday jobsites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled Travel:\u003c\/strong\u003e Tread geometry is selected for predictable forward and reverse movement during digging, trenching and repositioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the Full Size\u003c\/strong\u003e Match the width, pitch and link count of the 400x72.5Wx76 against your existing track, or use the \u003ca href=\"\/pages\/rubber-track-finder\"\u003eTrackTECH Rubber Track Finder\u003c\/a\u003e to confirm fitment for your machine before ordering.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52307282952504,"sku":"TT40072576WBL","price":1649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/tnt400725w76hd-extra-1-v1.webp?v=1790619262"},{"product_id":"cat-305cr-sprocket","title":"CAT 305CR Sprocket | Part #158-4795","description":"\u003ch2\u003eCAT 305CR Sprocket | Part #158-4795\u003c\/h2\u003e\u003cp\u003eThis replacement \u003cstrong\u003edrive sprocket\u003c\/strong\u003e is cataloged for \u003cstrong\u003eCAT 305CR\u003c\/strong\u003e and is intended for service in the tracked undercarriage. The drive sprocket transfers drive torque into the track through consistent tooth-to-track engagement.\u003c\/p\u003e\u003ch2\u003eBuilt for Undercarriage Service\u003c\/h2\u003e\u003cp\u003eWear components operate as a system. Correct geometry, mounting, and alignment matter because a worn sprocket, seized roller, damaged idler, or incorrect tension can accelerate wear across new and existing components.\u003c\/p\u003e\u003ch2\u003eConfirm Fitment Before Installation\u003c\/h2\u003e\u003cp\u003eMatch the machine model and the physical part configuration before installation. TrackTECH can verify the application using the machine model, existing part information, and undercarriage details when needed.\u003c\/p\u003e\u003ch2\u003eService the System, Not Just One Part\u003c\/h2\u003e\u003cp\u003eInspect the track, sprocket teeth, rollers, idlers, guards, alignment, and tension while the machine is accessible. Replacing a failed component without correcting related wear can shorten service life and create tracking problems.\u003c\/p\u003e\u003cp\u003eTrackTECH provides fitment support before shipment and 24-month warranty coverage against manufacturing defects.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362342564152,"sku":"TT-305CR-SP-158-4795","price":211.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/cat-305cr-sprocket-hero_601532ed-2c4e-4b92-b1ba-bfed7ebc6690.jpg?v=1789783180"},{"product_id":"cat-305cr-track-roller","title":"CAT 305CR Bottom Roller | Part #340-8957","description":"\u003ch2\u003eCAT 305CR Bottom Roller | Part #340-8957\u003c\/h2\u003e\u003cp\u003eThis replacement \u003cstrong\u003ebottom roller\u003c\/strong\u003e is cataloged for \u003cstrong\u003eCAT 305CR\u003c\/strong\u003e and is intended for service in the tracked undercarriage. The bottom roller carries machine load along the lower track path and supports stable belt travel.\u003c\/p\u003e\u003ch2\u003eBuilt for Undercarriage Service\u003c\/h2\u003e\u003cp\u003eWear components operate as a system. Correct geometry, mounting, and alignment matter because a worn sprocket, seized roller, damaged idler, or incorrect tension can accelerate wear across new and existing components.\u003c\/p\u003e\u003ch2\u003eConfirm Fitment Before Installation\u003c\/h2\u003e\u003cp\u003eMatch the machine model and the physical part configuration before installation. TrackTECH can verify the application using the machine model, existing part information, and undercarriage details when needed.\u003c\/p\u003e\u003ch2\u003eService the System, Not Just One Part\u003c\/h2\u003e\u003cp\u003eInspect the track, sprocket teeth, rollers, idlers, guards, alignment, and tension while the machine is accessible. Replacing a failed component without correcting related wear can shorten service life and create tracking problems.\u003c\/p\u003e\u003cp\u003eTrackTECH provides fitment support before shipment and 24-month warranty coverage against manufacturing defects.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362342662456,"sku":"TT-305CR-TR-340-8957","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/cat-305cr-track-roller-hero_66a824df-1d27-4898-bc3e-574a9d0bf668.jpg?v=1789783191"},{"product_id":"cat-305cr-front-idler","title":"CAT 305CR Front Idler | Part #241-5973","description":"\u003ch2\u003eCAT 305CR Front Idler | Part #241-5973\u003c\/h2\u003e\u003cp\u003eThis replacement \u003cstrong\u003efront idler\u003c\/strong\u003e is cataloged for \u003cstrong\u003eCAT 305CR\u003c\/strong\u003e and is intended for service in the tracked undercarriage. The front idler supports track routing, tension, and alignment through the undercarriage.\u003c\/p\u003e\u003ch2\u003eBuilt for Undercarriage Service\u003c\/h2\u003e\u003cp\u003eWear components operate as a system. Correct geometry, mounting, and alignment matter because a worn sprocket, seized roller, damaged idler, or incorrect tension can accelerate wear across new and existing components.\u003c\/p\u003e\u003ch2\u003eConfirm Fitment Before Installation\u003c\/h2\u003e\u003cp\u003eMatch the machine model and the physical part configuration before installation. TrackTECH can verify the application using the machine model, existing part information, and undercarriage details when needed.\u003c\/p\u003e\u003ch2\u003eService the System, Not Just One Part\u003c\/h2\u003e\u003cp\u003eInspect the track, sprocket teeth, rollers, idlers, guards, alignment, and tension while the machine is accessible. Replacing a failed component without correcting related wear can shorten service life and create tracking problems.\u003c\/p\u003e\u003cp\u003eTrackTECH provides fitment support before shipment and 24-month warranty coverage against manufacturing defects.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362342695224,"sku":"TT-305CR-FI-241-5973","price":461.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/cat-305cr-front-idler-hero_36218438-c4f4-46f9-b370-fdbf1b3caecc.jpg?v=1789783186"},{"product_id":"bridgestone-400x72-5wx72-mx","title":"400x72.5Wx72 Bridgestone Rubber Track | MX","description":"\u003cp\u003e\u003cstrong\u003e400x72.5Wx72 Heavy Duty Bridgestone 400x72.5Wx72 MX rubber track\u003c\/strong\u003e for mini excavator applications. This configuration uses a 400 mm track width, 72.5 mm pitch and 72 links, commonly referred to as a 16-inch track.\u003c\/p\u003e\u003ch2\u003e400x72.5Wx72 Rubber Track Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Size:\u003c\/strong\u003e 400x72.5Wx72\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 400 mm \/ 15.75 in exact \/ 16 in nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 72.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 72\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTread Pattern:\u003c\/strong\u003e Bridgestone 400x72.5Wx72 MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Weight:\u003c\/strong\u003e 561 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBridgestone 400x72.5Wx72 MX Tread Performance\u003c\/h2\u003e\u003cp\u003eMX tread is a durable replacement option for compact excavator travel across asphalt, concrete, rock, gravel and mixed work.\u003c\/p\u003e\u003ch2\u003eCompatible Equipment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e CK50, CK52\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAT:\u003c\/strong\u003e 304, 304-5, 304C, 304CR, 305-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi:\u003c\/strong\u003e EX50U, ZX50U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e 50ZTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKubota:\u003c\/strong\u003e KX161-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Holland:\u003c\/strong\u003e EC45\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWarranty \u0026amp; Shipping\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months\u003c\/li\u003e\u003c\/ul\u003e","brand":"Bridgestone","offers":[{"title":"Default Title","offer_id":52663274963256,"sku":"BS400725W72XD","price":2049.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/bs400725w72xd-extra-1-v1.webp?v=1790617544"},{"product_id":"heavy-duty-400x72-5wx72-block","title":"16\" Heavy Duty Mini Excavator Tracks (400x72.5Wx72)","description":"\u003cp\u003e\u003cstrong\u003eOne track size, broad machine coverage.\u003c\/strong\u003e The \u003cstrong\u003e400x72.5Wx72 Heavy Duty rubber track (16-inch)\u003c\/strong\u003e fits verified applications including \u003cstrong\u003eCase CK50, Case CK52, CAT 304, Cat 304.5, CAT 304C, and CAT 304CR\u003c\/strong\u003e plus 62 additional verified machines. This 72-link configuration serves mini excavators across demanding work environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximize Uptime. Lower the Cost Per Hour.\u003c\/strong\u003e A failed track costs more than the replacement—it costs production time. This Heavy Duty replacement track is built for contractors and fleets that need dependable machine availability, predictable wear and useful traction instead of mid-job interruptions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTrackTECH Advantage:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Steel Cord:\u003c\/strong\u003e Jointless internal steel cable construction removes splice points and reinforces the track against stretching and high-load stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged Steel Links:\u003c\/strong\u003e Heat-treated internal guide links support consistent sprocket engagement under repeated torque and load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear \u0026amp; Ground Contact:\u003c\/strong\u003e Heavy-duty lug geometry balances traction, footprint stability and long-wearing contact across everyday jobsites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled Travel:\u003c\/strong\u003e Tread geometry is selected for predictable forward and reverse movement during digging, trenching and repositioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfirm the Full Size\u003c\/strong\u003e Match the width, pitch and link count of the 400x72.5Wx72 against your existing track, or use the \u003ca href=\"\/pages\/rubber-track-finder\"\u003eTrackTECH Rubber Track Finder\u003c\/a\u003e to confirm fitment for your machine before ordering.\u003c\/p\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52792854774072,"sku":"TT40072572WBL","price":1698.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/tnt400725w72hd-extra-3-v1.webp?v=1790619788"}],"url":"https:\/\/newrubbertrack.com\/collections\/cat-305cr.oembed","provider":"TrackTECH","version":"1.0","type":"link"}