{"product_id":"cat-et4-diagnostic-tool-usb-478-0235-caterpillar-truck-fault-diagnosis-decoding-scanner-for-heavy-equipment","title":"Cat ET4 Diagnostic Tool – USB 478-0235 Caterpillar Truck Fault Diagnosis \u0026 Decoding Scanner for Heavy Equipment","description":"\u003cp data-end=\"1016\" data-start=\"632\"\u003eWhen your heavy equipment goes down, every minute costs money—and that’s where the \u003cstrong data-end=\"742\" data-start=\"715\"\u003eCat ET4 diagnostic tool\u003c\/strong\u003e steps in. Built for serious mechanics and fleet operators, this powerful scanner lets you quickly identify, troubleshoot, and fix issues in Caterpillar engines and trucks without the guesswork. No more wasting time at the shop—take control of your diagnostics like a pro.\u003c\/p\u003e\n\u003cp data-end=\"1429\" data-start=\"1018\"\u003eThe \u003cstrong data-end=\"1049\" data-start=\"1022\"\u003eCat ET4 diagnostic tool\u003c\/strong\u003e connects seamlessly via USB, giving you fast and reliable communication with your machine’s onboard systems. Whether you're dealing with engine faults, performance issues, or routine maintenance checks, this tool delivers accurate data so you can make smart decisions on the spot. It’s designed for real-world use—rugged, dependable, and ready to handle demanding environments.\u003c\/p\u003e\n\u003cp data-end=\"1786\" data-start=\"1431\"\u003eWith the \u003cstrong data-end=\"1467\" data-start=\"1440\"\u003eCat ET4 diagnostic tool\u003c\/strong\u003e, you’re not just reading codes—you’re unlocking full system insights. From advanced troubleshooting to ECU programming support, this device is built for technicians who need precision and efficiency. If you run a repair shop or manage a fleet, this tool pays for itself by cutting downtime and boosting productivity.\u003c\/p\u003e\n\u003chr data-end=\"1791\" data-start=\"1788\"\u003e\n\u003ch3 data-end=\"1824\" data-start=\"1793\" data-section-id=\"1y0hjg4\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1824\" data-start=\"1797\"\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-end=\"2496\" data-start=\"1826\"\u003e\n\u003cli data-end=\"1938\" data-start=\"1826\" data-section-id=\"1pa45s1\"\u003e\n\u003cstrong data-end=\"1855\" data-start=\"1828\"\u003eFull System Diagnostics\u003c\/strong\u003e – Access engine, transmission, and other key systems for complete fault analysis\u003c\/li\u003e\n\u003cli data-end=\"2032\" data-start=\"1939\" data-section-id=\"zezxcw\"\u003e\n\u003cstrong data-end=\"1961\" data-start=\"1941\"\u003eUSB Connectivity\u003c\/strong\u003e – Ensures fast, stable communication with your Caterpillar equipment\u003c\/li\u003e\n\u003cli data-end=\"2130\" data-start=\"2033\" data-section-id=\"494gqh\"\u003e\n\u003cstrong data-end=\"2068\" data-start=\"2035\"\u003eFault Code Reading \u0026amp; Clearing\u003c\/strong\u003e – Instantly detect and resolve issues without costly delays\u003c\/li\u003e\n\u003cli data-end=\"2229\" data-start=\"2131\" data-section-id=\"1x4h25m\"\u003e\n\u003cstrong data-end=\"2166\" data-start=\"2133\"\u003eHeavy Equipment Compatibility\u003c\/strong\u003e – Designed specifically for Caterpillar trucks and machinery\u003c\/li\u003e\n\u003cli data-end=\"2316\" data-start=\"2230\" data-section-id=\"2isuhj\"\u003e\n\u003cstrong data-end=\"2257\" data-start=\"2232\"\u003eDurable Build Quality\u003c\/strong\u003e – Built to withstand tough workshop and field conditions\u003c\/li\u003e\n\u003cli data-end=\"2413\" data-start=\"2317\" data-section-id=\"1c3gkvu\"\u003e\n\u003cstrong data-end=\"2346\" data-start=\"2319\"\u003eUser-Friendly Interface\u003c\/strong\u003e – Easy to operate whether you're a seasoned tech or DIY mechanic\u003c\/li\u003e\n\u003cli data-end=\"2496\" data-start=\"2414\" data-section-id=\"16mtr3i\"\u003e\n\u003cstrong data-end=\"2439\" data-start=\"2416\"\u003eTime \u0026amp; Cost Savings\u003c\/strong\u003e – Reduce downtime and avoid unnecessary service visits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2501\" data-start=\"2498\"\u003e\n\u003ch3 data-end=\"2553\" data-start=\"2503\" data-section-id=\"iy78y8\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2553\" data-start=\"2507\"\u003eTake Control of Your Equipment Performance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2859\" data-start=\"2555\"\u003eStop relying on expensive dealership visits and take diagnostics into your own hands with the \u003cstrong data-end=\"2676\" data-start=\"2649\"\u003eCat ET4 diagnostic tool\u003c\/strong\u003e. Whether you're maintaining a single truck or an entire fleet, this tool helps you stay ahead of breakdowns, keep your machines running smooth, and get the job done without delays.\u003c\/p\u003e\n\u003chr data-end=\"2864\" data-start=\"2861\"\u003e\n\u003ch3 data-end=\"2888\" data-start=\"2866\" data-section-id=\"2l0mzs\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"2888\" data-start=\"2870\"\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3649\" data-start=\"2890\"\u003e\n\u003cthead data-end=\"2965\" data-start=\"2890\"\u003e\n\u003ctr data-end=\"2965\" data-start=\"2890\"\u003e\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"2917\" data-start=\"2890\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"2965\" data-start=\"2917\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3649\" data-start=\"3042\"\u003e\n\u003ctr data-end=\"3117\" data-start=\"3042\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3069\" data-start=\"3042\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-end=\"3117\" data-start=\"3069\" data-col-size=\"md\"\u003eDiagnostic Scanner Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3193\" data-start=\"3118\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3145\" data-start=\"3118\"\u003eModel\u003c\/td\u003e\n\u003ctd data-end=\"3193\" data-start=\"3145\" data-col-size=\"md\"\u003eET4 USB 478-0235\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3269\" data-start=\"3194\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3221\" data-start=\"3194\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd data-end=\"3269\" data-start=\"3221\" data-col-size=\"md\"\u003eCaterpillar Trucks \u0026amp; Heavy Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3345\" data-start=\"3270\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3297\" data-start=\"3270\"\u003eConnection Type\u003c\/td\u003e\n\u003ctd data-end=\"3345\" data-start=\"3297\" data-col-size=\"md\"\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3421\" data-start=\"3346\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3373\" data-start=\"3346\"\u003eFunctionality\u003c\/td\u003e\n\u003ctd data-end=\"3421\" data-start=\"3373\" data-col-size=\"md\"\u003eFault Code Reading, Clearing, Diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3497\" data-start=\"3422\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3449\" data-start=\"3422\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-end=\"3497\" data-start=\"3449\" data-col-size=\"md\"\u003eIndustrial-Grade Components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3573\" data-start=\"3498\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3525\" data-start=\"3498\"\u003eUsage\u003c\/td\u003e\n\u003ctd data-end=\"3573\" data-start=\"3525\" data-col-size=\"md\"\u003eProfessional \u0026amp; DIY Mechanics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3649\" data-start=\"3574\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3601\" data-start=\"3574\"\u003eSoftware Support\u003c\/td\u003e\n\u003ctd data-end=\"3649\" data-start=\"3601\" data-col-size=\"md\"\u003eCaterpillar Diagnostic Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Review start here --\u003e\n\u003cdiv style=\"text-align: center; margin-top: 40px;\" id=\"r-title\"\u003e\n\u003ch3 style=\"font-size: 24px; font-weight: bold;\"\u003eREVIEWS\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; justify-content: center; flex-wrap: wrap; gap: 40px; margin-top: 20px;\" class=\"reviews-con\"\u003e\n\u003c!-- Insert Review 1 after this line --\u003e\n\u003cdiv style=\"width: 100%; max-width: 400px; text-align: center; border: 1px solid #ddd; padding: 20px; border-radius: 12px;\" class=\"half-con\"\u003e\n\u003cdiv style=\"font-size: 28px; font-weight: bold; margin-bottom: 10px;\" class=\"r-initials\"\u003eJM\u003c\/div\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.5;\"\u003eI run a small diesel shop and this tool has been a game changer. Hooked it up to a CAT truck and pulled codes instantly. Super reliable and easy to use. Saved me a ton of time already.\u003c\/p\u003e\n\u003cdiv style=\"margin-top: 15px;\" class=\"r-info\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003eJason M.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eDallas, TX\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\u003cspan style=\"color: #ffd700; font-size: 20px;\"\u003e★★★★★\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Insert Review 2 after this line --\u003e\n\u003cdiv style=\"width: 100%; max-width: 400px; text-align: center; border: 1px solid #ddd; padding: 20px; border-radius: 12px;\" class=\"half-con\"\u003e\n\u003cdiv style=\"font-size: 28px; font-weight: bold; margin-bottom: 10px;\" class=\"r-initials\"\u003eRT\u003c\/div\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.5;\"\u003eHonestly didn’t expect it to be this good for the price. Plug and play, no hassle. I use it on my fleet and it’s already helped prevent major breakdowns.\u003c\/p\u003e\n\u003cdiv style=\"margin-top: 15px;\" class=\"r-info\"\u003e\n\u003cp style=\"font-weight: bold; margin: 0;\"\u003eRyan T.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003ePhoenix, AZ\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 10px;\"\u003e\u003cspan style=\"color: #ffd700; font-size: 20px;\"\u003e★★★★★\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Riot Parts","offers":[{"title":"Default Title","offer_id":44000317472811,"sku":null,"price":8.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/7346\/2059\/files\/O1CN01lVmBay1Y0g3XqaTci__2219142142997-0-cib.jpg?v=1777555278","url":"https:\/\/riotparts.com\/products\/cat-et4-diagnostic-tool-usb-478-0235-caterpillar-truck-fault-diagnosis-decoding-scanner-for-heavy-equipment","provider":"Riot Parts","version":"1.0","type":"link"}