{"title":"Cat 279D","description":"\u003cp\u003eHeavy-duty \u003cstrong\u003eCat 279D\u003c\/strong\u003e tracks and matched undercarriage in \u003cstrong\u003e450x86Bx56\u003c\/strong\u003e. Contractor-grade build, 24-month warranty, and free freight on every order.\u003c\/p\u003e\n\u003ch3\u003eCat 279D Track Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack size:\u003c\/strong\u003e 450x86Bx56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 450 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 86.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide:\u003c\/strong\u003e Block guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTread Options for the Cat 279D\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eC-Block\u003c\/strong\u003e — Hard, abrasive surfaces — concrete, asphalt and pavement. Maximum wear life with a low-vibration ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Bar\u003c\/strong\u003e — Mud, snow, sand and soft ground. Aggressive bar lugs deliver maximum traction and self-cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZig-Zag\u003c\/strong\u003e — All-purpose tread — balanced traction and a smooth ride across mixed job-site terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-Terrain\u003c\/strong\u003e — The toughest option: reinforced for rock, debris and demolition without giving up traction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlock\u003c\/strong\u003e — General-purpose tread — smooth ride and even ground pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComplete the Cat 279D Rebuild\u003c\/h3\u003e\u003cp\u003ePair your tracks with the right undercarriage parts for the \u003cstrong\u003eCat 279D\u003c\/strong\u003e:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cat-279d-sprocket\"\u003eDrive Sprocket\u003c\/a\u003e — OEM Part #304-1916\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cat-279d-front-idler\"\u003eFront Idler\u003c\/a\u003e — OEM Part #304-1878\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cat-279d-rear-idler\"\u003eRear Idler\u003c\/a\u003e — OEM Part #304-1894\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cat-279d-track-roller\"\u003eBottom Roller\u003c\/a\u003e — OEM Part #304-1890\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlso Fits These Machines\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003e450x86Bx56\u003c\/strong\u003e track size is shared across these models — same track, verified cross-fit:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/cat-279c2\"\u003eCAT 279C2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/cat-289c2\"\u003eCAT 289C2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/cat-289d\"\u003eCat 289D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/cat-289d3\"\u003eCAT 289D3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/gehl-rt210\"\u003eGehl RT210\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/gehl-rt215\"\u003eGehl RT215\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/ihi-cl45\"\u003eIHI CL45\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-225t-eco\"\u003eJCB 225T-ECO\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-260t\"\u003eJCB 260T\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-270t-eco\"\u003eJCB 270T ECO\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe TrackTECH Advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on every track — confidence that outlasts the competition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision OEM alignment\u003c\/strong\u003e — a reinforced roller path keeps running smooth and vibration low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous steel cord\u003c\/strong\u003e — up to 40% stronger than typical aftermarket tracks, resisting stretch and de-tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight to the lower 48\u003c\/strong\u003e — every order ships free, with same-day dispatch on in-stock items.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReady to roll? Buy your Cat 279D undercarriage online now — or reach a track specialist at \u003ca href=\"tel:8508167898\"\u003e(850) 816-7898\u003c\/a\u003e. Use the \u003ca href=\"\/pages\/track-finder\"\u003eTrack Finder\u003c\/a\u003e to confirm the right build.\u003c\/p\u003e","products":[{"product_id":"cat-279d-rubber-tracks","title":"CAT 279D3 Rubber Tracks | 450x86x56","description":"\u003cp\u003e\u003cstrong\u003eCAT 279D Rubber Tracks\u003c\/strong\u003e — OEM grade replacement tracks engineered for contractor-grade performance.\u003c\/p\u003e\u003cp\u003eThis product covers all factory-fit track sizes and tread patterns for the CAT 279D. Select your size and tread combination from the dropdown.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Steel Cord\u003c\/strong\u003e — 40% stronger than competitor tracks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Virgin Rubber\u003c\/strong\u003e — anti-chunk, anti-tear compound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-Forged Steel Links\u003c\/strong\u003e — precision OEM alignment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-Month Warranty\u003c\/strong\u003e — backed by TrackTECH's contractor guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Size:\u003c\/strong\u003e 450x86Bx56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 450 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 86.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinks:\u003c\/strong\u003e 56\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTread Pattern:\u003c\/strong\u003e C-Block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Make:\u003c\/strong\u003e Cat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Model:\u003c\/strong\u003e 279D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"450x86x56 - C-Block","offer_id":52362224828728,"sku":"TT-279D-450X86BX56-CB","price":1281.55,"currency_code":"USD","in_stock":true},{"title":"450x86x56 - Multi-Bar","offer_id":52362224861496,"sku":"TT-279D-450X86BX56-MB","price":1300.55,"currency_code":"USD","in_stock":true},{"title":"450x86x56 - Zig-Zag","offer_id":52362224894264,"sku":"TT-279D-450X86BX56-ZZ","price":1234.05,"currency_code":"USD","in_stock":true},{"title":"450x86x56 - X-Terrain","offer_id":52377947603256,"sku":"TT-279D-450X86BX56-XT","price":1262.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/18-c-block-rubber-track-for-skid-steer_d8f2ca50-29d3-4496-ab0d-d37519ddf62f.webp?v=1778702341"},{"product_id":"cat-279d-sprocket","title":"Cat Drive Sprocket | Part #304-1916","description":"\u003cp\u003e\u003cstrong\u003eCAT 279D Sprocket\u003c\/strong\u003e — OEM grade replacement part for your CAT 279D.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362336698680,"sku":"TT-279D-SP-304-1916","price":317.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/sp304-1916-585192_8a6576f9-5330-4803-a757-52825631fda4.webp?v=1778634585"},{"product_id":"cat-279d-rear-idler","title":"Cat Rear Idler | Part #304-1894","description":"\u003cp\u003e\u003cstrong\u003eCAT 279D Rear Idler\u003c\/strong\u003e — OEM grade replacement part for your CAT 279D.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362336731448,"sku":"TT-279D-RI-304-1894","price":509.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/rr304-1894-585192_0d3988d7-f2c0-442c-864e-e1dc9c5d3119.webp?v=1778634586"},{"product_id":"cat-279d-track-roller","title":"Cat Bottom Roller | Part #304-1890","description":"\u003cp\u003e\u003cstrong\u003eCAT 279D Track Roller\u003c\/strong\u003e — OEM grade replacement part for your CAT 279D.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"Default Title","offer_id":52362336796984,"sku":"TT-279D-TR-304-1890","price":373.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/tr304-1890-585192_671c4046-1519-4bae-9cc9-ac8ed0e02c3e.webp?v=1778634585"},{"product_id":"cat-279d-front-idler","title":"Cat Front Idler | Part #304-1878","description":"\u003cp\u003e\u003cstrong\u003eCAT 279D Front Idler\u003c\/strong\u003e — OEM grade replacement part for your CAT 279D.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated steel construction\u003c\/li\u003e\n\u003cli\u003ePrecision-machined to OEM tolerances\u003c\/li\u003e\n\u003cli\u003eDirect replacement, no modifications required\u003c\/li\u003e\n\u003cli\u003e12-month warranty against manufacturing defects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe TrackTECH advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame-day shipping\u003c\/strong\u003e on in-stock orders placed before 2 PM CT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree freight\u003c\/strong\u003e to the lower 48 states\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-month warranty\u003c\/strong\u003e on materials and workmanship\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContractor pricing\u003c\/strong\u003e — bulk and fleet discounts available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment guaranteed\u003c\/strong\u003e — we verify before we ship\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TrackTECH","offers":[{"title":"PN 304-1878","offer_id":52362336829752,"sku":"TT-279D-FI-304-1878","price":603.6,"currency_code":"USD","in_stock":true},{"title":"PN 348-9647","offer_id":52362336862520,"sku":"TT-279D-FI-348-9647","price":1030.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/fi304-1878-585192_4f729711-f1f7-4f78-8417-3dc16840a207.webp?v=1778634591"}],"url":"https:\/\/newrubbertrack.com\/collections\/cat-279d.oembed","provider":"TrackTECH","version":"1.0","type":"link"}