{"product_id":"vestil-mmj-mechanical-machinery-jack-drift-free-crank-jack-for-vehicle-equipment-maintenance","title":"Vestil MMJ Mechanical Machinery Jack — Drift-Free Crank Jack for Vehicle \u0026 Equipment Maintenance","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.7; color: #333; max-width: 100%;\"\u003e\n\u003ch2 style=\"font-size: 24px; margin-bottom: 15px; color: #000;\"\u003eDrift-Free Heavy Equipment Jack with Anti-Kickback Safety Lever\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 18px; font-size: 15px;\"\u003eThe Vestil MMJ Mechanical Machinery Jack is engineered for repairing vehicles, lifting trucks, railway maintenance, construction equipment service, mining operations, and agricultural equipment maintenance. Unlike hydraulic jacks that rely on sealed fluid systems and can slowly drift down over time, the MMJ uses a purely mechanical crank-lever lift system — eliminating the risks of seal leaks, fluid contamination, and unwanted descent under sustained loads. The result is a jack that holds its position indefinitely, even after extended periods, making it the right choice for jobs where loads need to stay elevated for hours, days, or longer.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 18px; font-size: 15px;\"\u003eEach MMJ features a self-locking, anti-kickback operating lever that prevents the handle from snapping back during operation — a critical safety feature that significantly reduces operator injury risk. The compact design includes a collapsible\/folding handle for easy storage and transport, two integrated carrying handles for portability between work sites, and a large base plate that delivers improved stability on shop floors, gravel pads, or uneven outdoor surfaces. Lifting and lowering speeds are fully controllable by the operator, allowing precise load positioning without abrupt drops.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 18px; font-size: 15px;\"\u003e\u003cstrong\u003eWhy Mechanical Instead of Hydraulic?\u003c\/strong\u003e Mechanical jacks excel where hydraulic jacks struggle. With no seals to leak, no hydraulic fluid to contaminate the work area, and no slow descent under load, the MMJ is ideal for long-duration engine rebuilds, frame work, multi-day maintenance projects, cold-weather environments where hydraulic fluid viscosity becomes unreliable, food processing or clean-room environments where leaks are unacceptable, and any sustained load support task under trucks, tractors, locomotives, or industrial machinery.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0; font-size: 15px;\"\u003e\u003cstrong\u003eCapacity Options:\u003c\/strong\u003e Choose from three capacity ratings — \u003cstrong\u003e3,000 lb (MMJ-3)\u003c\/strong\u003e for light-duty vehicle and equipment work, \u003cstrong\u003e6,000 lb (MMJ-6)\u003c\/strong\u003e for mid-range trucks and machinery, or \u003cstrong\u003e10,000 lb (MMJ-10)\u003c\/strong\u003e for heavy-duty trucks, rail cars, and large industrial equipment. Match the capacity to your typical load weight with appropriate safety margin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePurely mechanical crank-lever lift system — no hydraulic fluid, no seals, no leaks.\u003c\/li\u003e\n\n  \u003cli\u003eWill not drift down even after extended periods — holds the load indefinitely.\u003c\/li\u003e\n\n  \u003cli\u003eSelf-locking, anti-kickback operating lever significantly reduces operator injury risk.\u003c\/li\u003e\n\n  \u003cli\u003eCollapsible\/folding handle for compact storage and easy transport.\u003c\/li\u003e\n\n  \u003cli\u003eTwo integrated carrying handles for portability between work sites.\u003c\/li\u003e\n\n  \u003cli\u003eLarge base plate provides stability on shop floors, gravel, and uneven outdoor surfaces.\u003c\/li\u003e\n\n  \u003cli\u003eLifting and lowering speeds are fully controllable for precise load positioning.\u003c\/li\u003e\n\n  \u003cli\u003eAvailable in 3 capacity ratings: 3,000 lb, 6,000 lb, or 10,000 lb.\u003c\/li\u003e\n\n  \u003cli\u003eWelded steel construction with blue powder coat finish for industrial durability.\u003c\/li\u003e\n\n  \u003cli\u003eIdeal for vehicle repair, truck lifting, railway maintenance, construction, mining, and agricultural equipment service.\u003c\/li\u003e\n\n  \u003cli\u003eNo hydraulic fluid contamination — safe for food processing, clean-room, and other fluid-restricted environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-family:Arial, sans-serif;margin-bottom:30px;\"\u003e\n\n  \u003ctr style=\"background-color:#000;color:#fff;\"\u003e\n    \u003cth colspan=\"2\" style=\"padding:12px;text-align:left;font-size:16px;\"\u003eMMJ-3\u003c\/th\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical Machinery Jack, 13-3\/16\" × 10-15\/16\" × 35-7\/16\", 3,000 lb Capacity, Blue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eUniform Load Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e3,000 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eOverall Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e13-3\/16\" L × 10-15\/16\" W × 35-7\/16\" H\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLowered Height\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e23-5\/8\"\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLift System\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical (Crank Lever)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eSafety Features\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eSelf-Locking Anti-Kickback Lever\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eWelded Steel, Powder Coat Finish\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eBlue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e33 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr style=\"background-color:#000;color:#fff;\"\u003e\n    \u003cth colspan=\"2\" style=\"padding:12px;text-align:left;font-size:16px;\"\u003eMMJ-6\u003c\/th\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical Machinery Jack, 12-3\/8\" × 14-5\/16\" × 42-15\/16\", 6,000 lb Capacity, Blue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eUniform Load Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e6,000 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eOverall Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e12-3\/8\" L × 14-5\/16\" W × 42-15\/16\" H\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLowered Height\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e29\"\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLift System\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical (Crank Lever)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eSafety Features\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eSelf-Locking Anti-Kickback Lever\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eWelded Steel, Powder Coat Finish\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eBlue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e48 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr style=\"background-color:#000;color:#fff;\"\u003e\n    \u003cth colspan=\"2\" style=\"padding:12px;text-align:left;font-size:16px;\"\u003eMMJ-10\u003c\/th\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical Machinery Jack, 13\" × 13-5\/8\" × 42-5\/16\", 10,000 lb Capacity, Blue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eUniform Load Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e10,000 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eOverall Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e13\" L × 13-5\/8\" W × 42-5\/16\" H\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLowered Height\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e28-3\/4\"\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eLift System\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eMechanical (Crank Lever)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eSafety Features\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eSelf-Locking Anti-Kickback Lever\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eWelded Steel, Powder Coat Finish\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003eBlue\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n  \u003ctr\u003e\n    \u003ctd style=\"padding:10px;text-align:left;width:40%;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:10px;text-align:left;vertical-align:top;word-break:break-word;hyphens:auto;\"\u003e66 lbs\u003c\/td\u003e\n  \u003c\/tr\u003e\n\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eManuals \u0026amp; Documentation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/vestildocs.com\/manuals\/MMJ-3+6+10,%20MANUAL.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ Series Owner's Manual (PDF — applies to MMJ-3, MMJ-6, MMJ-10)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.vestildocs.com\/drawings\/MMJ-3.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-3 Engineering Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.vestildocs.com\/drawings\/MMJ-6.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-6 Engineering Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/www.vestildocs.com\/drawings\/MMJ-10.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-10 Engineering Drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/vestildocs.com\/certificates2\/MMJ-3.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-3 Testing Certificate (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/vestildocs.com\/certificates2\/MMJ-6.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-6 Testing Certificate (PDF)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/vestildocs.com\/certificates2\/MMJ-10.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMMJ-10 Testing Certificate (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Vestil","offers":[{"title":"3000 lb Capacity","offer_id":44964960862323,"sku":"MMJ-3","price":248.29,"currency_code":"USD","in_stock":true},{"title":"6000 lb Capacity","offer_id":44964960895091,"sku":"MMJ-6","price":271.89,"currency_code":"USD","in_stock":true},{"title":"10000 lb Capacity","offer_id":44964960927859,"sku":"MMJ-10","price":348.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/3650\/5203\/files\/MMJ-3_A.webp?v=1778698717","url":"https:\/\/bluecollarplanet.com\/products\/vestil-mmj-mechanical-machinery-jack-drift-free-crank-jack-for-vehicle-equipment-maintenance","provider":"Blue Collar Planet","version":"1.0","type":"link"}