{"title":"JCB 45Z-1 Tracks \u0026 Parts","description":"\u003cp\u003eThe \u003cstrong\u003eJCB 45Z-1\u003c\/strong\u003e runs a \u003cstrong\u003e400x72.5Wx74\u003c\/strong\u003e track: 400 mm across the tread, 72.5 mm between links, 74 links around. Cut for digging, trenching, backfill and tight-quarters work and shipped free to the lower 48.\u003c\/p\u003e\u003ch3\u003eWhat the numbers mean on a JCB 45Z-1\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003e400x72.5Wx74\u003c\/strong\u003e — 400 mm tread width (about 16\"), 72.5 mm pitch, 74 links, wide guide lugs\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eWidth is the tread face, pitch is the distance between drive lugs, and links is the count around the loop. All three have to match — a track one link off will not tension correctly no matter how close the width is.\u003c\/p\u003e\u003ch3\u003eTread choice for the JCB 45Z-1\u003c\/h3\u003e\u003cp\u003eSize gets the track on the machine; tread decides how it works and how long it lasts. What we stock for this one:\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003ca href=\"\/products\/heavy-duty-400x72-5wx74-directional\"\u003e\u003cstrong\u003eMX\u003c\/strong\u003e\u003c\/a\u003e — mixed and hard surfaces. A durable general-duty excavator tread\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eParts we carry for the JCB 45Z-1\u003c\/h3\u003e\u003cp\u003eTracks. Call for anything not shown online — we can usually source it.\u003c\/p\u003e\u003ch3\u003eHow these wear\u003c\/h3\u003e\u003cp\u003eExcavator undercarriages load one side hard on slew and travel, so link cracking usually shows up before the tread wears out. Replace in pairs where you can: a new track running against a stretched one loads the drive unevenly and you will feel it in the steering.\u003c\/p\u003e\u003ch3\u003eSame track, other machines\u003c\/h3\u003e\u003cp\u003eTrack size follows undercarriage geometry, not brand, so 400x72.5Wx74 shows up on machines from several makers. If you run any of these alongside the JCB 45Z-1, it is the same belt:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/airman-ax58\"\u003eAirman AX58\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/airman-ax58mu\"\u003eAirman AX58MU\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-337\"\u003eBobcat 337\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-337d\"\u003eBobcat 337D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-337g\"\u003eBobcat 337G\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-341\"\u003eBobcat 341\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-341d\"\u003eBobcat 341D\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-341g\"\u003eBobcat 341G\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-435\"\u003eBobcat 435\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/bobcat-435zhs-fasttrack\"\u003eBobcat 435ZHS-FASTTRACK\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure which you are running? Read the size off the inside of the old track, or call \u003ca href=\"tel:8508167898\"\u003e(850) 816-7898\u003c\/a\u003e and we will pull it off the machine record. The \u003ca href=\"\/pages\/track-finder\"\u003eTrack Finder\u003c\/a\u003e works by make and model too.\u003c\/p\u003e\u003ch3\u003eMore JCB undercarriage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-100c-2\"\u003eJCB 100C-2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-15j\"\u003eJCB 15J\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-16c-1\"\u003eJCB 16C-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-18z-1\"\u003eJCB 18Z-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-19c1e\"\u003eJCB 19C1E\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb-25z-1\"\u003eJCB 25Z-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/jcb\"\u003eAll JCB tracks \u0026amp; parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"heavy-duty-400x72-5wx74-directional","title":"16\" Heavy Duty Mini Excavator Tracks (400x72.5Wx74)","description":"\u003cp\u003e\u003cstrong\u003eConfirm the Full Size\u003c\/strong\u003e Match the width, pitch and link count of the 400x72.5Wx74 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\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 400x72.5Wx74 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":52307281117496,"sku":"TT400725W74DIR","price":1549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/400x72.5wx74-directional-rubber-track-01-hero.webp?v=1790630590"},{"product_id":"bridgestone-400x72-5wx74-mx","title":"400x72.5Wx74 Bridgestone Rubber Track | MX","description":"\u003cp\u003e\u003cstrong\u003e400x72.5Wx74 Heavy Duty Bridgestone 400x72.5Wx74 MX rubber track\u003c\/strong\u003e for mini excavator applications. This configuration uses a 400 mm track width, 72.5 mm pitch and 74 links, commonly referred to as a 16-inch track.\u003c\/p\u003e\u003ch2\u003e400x72.5Wx74 Rubber Track Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Size:\u003c\/strong\u003e 400x72.5Wx74\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 74\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTread Pattern:\u003c\/strong\u003e Bridgestone 400x72.5Wx74 MX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack Weight:\u003c\/strong\u003e 755 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBridgestone 400x72.5Wx74 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\u003eBobcat:\u003c\/strong\u003e 337, 341, 435, E45, E50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e 6030, CX55B, CX55B-MSR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGehl:\u003c\/strong\u003e 502, 503Z\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":52663274996024,"sku":"BS400725W74XD","price":2109.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/3493\/3560\/files\/bs400725w74xd-extra-1-v1.webp?v=1790617563"}],"url":"https:\/\/newrubbertrack.com\/collections\/jcb-45z-1.oembed","provider":"TrackTECH","version":"1.0","type":"link"}