{"product_id":"products-kti-391-19-12v-100a-start-solenoid-dump-trailer","title":"KTI Hydraulics 391-19 12V DC Heavy-Duty Start Solenoid","description":"\u003ch3\u003eOEM Continuous-Duty Hydraulic Pump Relay\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eKTI 391-19 12V DC start solenoid\u003c\/strong\u003e is a heavy-duty, 125-amp continuous-duty relay used to supply consistent power to dump trailer hydraulic pump motors.\u003c\/p\u003e\n\u003cp\u003eBuilt with zinc-coated steel for corrosion resistance, this solenoid is designed to withstand demanding outdoor job-site conditions while delivering dependable voltage to your hydraulic system.\u003c\/p\u003e\n\u003cp\u003eThis unit is commonly installed on trailers equipped with \u003cstrong\u003eKTI Power Up \/ Power Down hydraulic pump assemblies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\n\u003ch3\u003e📐 Specifications\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKTI Hydraulics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eTrombetta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e391-19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e125 Amp Continuous Duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eZinc-Coated Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty Cycle\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHydraulic Pump Start Solenoid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003e🔍 What This Solenoid Does\u003c\/h2\u003e\n\u003cp\u003eThe start solenoid:\u003c\/p\u003e\n\u003cp\u003e✔ Connects battery power to hydraulic motor\u003cbr\u003e✔ Handles high current loads during lift operation\u003cbr\u003e✔ Prevents voltage drop\u003cbr\u003e✔ Ensures smooth pump startup\u003cbr\u003e✔ Protects electrical system\u003c\/p\u003e\n\u003cp\u003eIf your pump clicks but doesn't run — this is often the failed component.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠 Verified Fitment \u0026amp; Brand Applications\u003c\/h2\u003e\n\u003cp\u003eThis solenoid is commonly used on trailers equipped with \u003cstrong\u003eKTI hydraulic power units\u003c\/strong\u003e, including models from:\u003c\/p\u003e\n\u003ch3\u003eDump Trailer Manufacturers Using KTI Power Units\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePJ Trailers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoad Trail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDiamond C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLamar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGriffin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWatchdog\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIron Bull (select models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNorstar Dump Beds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSure-Trac (KTI-equipped units)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSouthland Trailer (KTI-equipped units)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMidsota (select dump models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCAM Superline (KTI-equipped units)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTop Hat Trailers (select models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTexas Pride (certain hydraulic configurations)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠ Important:\u003cbr\u003eFitment depends on whether the trailer is equipped with a \u003cstrong\u003eKTI hydraulic pump system\u003c\/strong\u003e. Not all trailers from these brands use KTI — always verify pump manufacturer.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🧩 Common Compatible KTI Pump Systems\u003c\/h2\u003e\n\u003cp\u003eUsed on:\u003c\/p\u003e\n\u003cp\u003e• KTI double-acting hydraulic pumps\u003cbr\u003e• KTI gravity-down pump units\u003cbr\u003e• Power Up \/ Power Down pump assemblies\u003cbr\u003e• 12V dump trailer hydraulic motor systems\u003c\/p\u003e\n\u003cp\u003eTypically paired with:\u003c\/p\u003e\n\u003cp\u003e• DC36 series\u003cbr\u003e• DC365 series\u003cbr\u003e• KTI 25-3 assemblies\u003cbr\u003e• PJ-branded KTI hydraulic units\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e💪 Key Features\u003c\/h2\u003e\n\u003ch3\u003e✔ 125 Amp Continuous Duty\u003c\/h3\u003e\n\u003cp\u003eHandles sustained hydraulic pump load without overheating.\u003c\/p\u003e\n\u003ch3\u003e✔ Trombetta OEM Quality\u003c\/h3\u003e\n\u003cp\u003eMade by Trombetta, one of the most trusted names in heavy-duty solenoids.\u003c\/p\u003e\n\u003ch3\u003e✔ Corrosion-Resistant Housing\u003c\/h3\u003e\n\u003cp\u003eZinc-coated steel resists rust and environmental wear.\u003c\/p\u003e\n\u003ch3\u003e✔ Direct Replacement\u003c\/h3\u003e\n\u003cp\u003eFits directly in place of factory-installed solenoids on KTI systems.\u003c\/p\u003e\n\u003ch3\u003e✔ Heavy-Duty Reliability\u003c\/h3\u003e\n\u003cp\u003eBuilt for daily commercial use on construction and agricultural equipment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚛 In Stock \u0026amp; Ready to Ship\u003c\/h2\u003e\n\u003cp\u003eRestore dependable hydraulic power today with the \u003cstrong\u003eKTI 391-19 heavy-duty start solenoid\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003chr\u003e\n\n\u003ch3\u003eCommon Hydraulic Pump System Components\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaatrailer.com\/products\/kti-dc36ra-hydraulic-pump\"\u003e\nView KTI DC36RA Hydraulic Pump\n\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaatrailer.com\/products\/products-kti-395-55-2-button-dump-trailer-remote-power-up-power-down\"\u003e\nView KTI 395-55 Pendant Remote\n\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaatrailer.com\/products\/ti-74-06-15-foot-hydraulic-control-extension-cord\"\u003e\nView KTI 74-06 Extension Cord\n\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/aaatrailer.com\/products\/kti-kwr-005-bluetooth-wireless-hydraulic-controller\"\u003e\nView KTI KWR-005 Wireless Remote\n\u003c\/a\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003ch3\u003e📋 KTI Catalog Data\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: Heavy-Duty DC Start Solenoid\u003c\/li\u003e\n\u003cli\u003eVoltage: 12V DC\u003c\/li\u003e\n\u003cli\u003eFunction: Engages motor to start hydraulic pump\u003c\/li\u003e\n\u003cli\u003eTerminal: 2-terminal configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🏭 About KTI Hydraulics\u003c\/h3\u003e\n\u003cp\u003eKTI Hydraulics Inc. — founded 1997 in Tustin, California. \u003cstrong\u003eISO 9001:2015 Certified.\u003c\/strong\u003e Every KTI power unit is 100% factory inspected and tested to stringent specifications before shipping. Inventor of the patented Universal Manifold® system used in dump trailers worldwide.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e📞 Call\/Text: 517-225-1991 🌐 AAATrailer.com\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e🔄 \u003cstrong\u003eCross Reference \/ Alternate Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKTI 391-19 | KTI-391-19 | 39119 | Start relay solenoid single-acting\u003c\/p\u003e","brand":"KTI","offers":[{"title":"Default Title","offer_id":52026608910645,"sku":"391-19","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/9144\/0181\/files\/kti-391-19-trombetta-974-1215-010-start-solenoid-label-front.jpg?v=1778342760","url":"https:\/\/aaatrailer.com\/products\/products-kti-391-19-12v-100a-start-solenoid-dump-trailer","provider":"AAA Trailer","version":"1.0","type":"link"}