{"product_id":"rj4-5-4-5k-rolling-jack","title":"Challenger RJ4.5 4.5K Rolling Jack - Heavy Duty Floor Jack","description":"\u003cstyle\u003e\n  :root {\n    --primary: #0066cc;\n    --accent: #666666;\n    --light-bg: #f9f9f9;\n    --border: #e0e0e0;\n    --text: #333333;\n    --text-light: #555555;\n    --white: #ffffff;\n  }\n  .gsg-description { font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, sans-serif; color: var(--text); line-height: 1.7; max-width: 900px; margin: 0 auto; font-size: 15px; }\n  .gsg-description * { box-sizing: border-box; }\n  .gsg-description h2 { color: var(--primary); font-size: 1.45em; margin-top: 2em; margin-bottom: 0.6em; padding-bottom: 0.35em; border-bottom: 3px solid var(--accent); font-weight: 700; letter-spacing: -0.01em; }\n  .gsg-description h3 { color: var(--primary); font-size: 1.15em; margin-top: 1.4em; margin-bottom: 0.5em; font-weight: 600; }\n  .gsg-description p { margin: 0 0 1em 0; color: var(--text-light); 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padding: 0; }\n  .gsg-cta-section p { margin: 0; font-size: 0.95em; }\n  .gsg-faq details { border-bottom: 1px solid var(--border); padding: 12px 0; }\n  .gsg-faq summary { font-weight: 600; cursor: pointer; color: var(--primary); font-size: 0.95em; padding: 4px 0; }\n  .gsg-faq details div p { margin: 8px 0 4px 0; font-size: 0.93em; }\n  .gsg-docs-grid { display: grid; gap: 12px; margin: 1em 0; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }\n  .gsg-doc-card { display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--border); border-radius: 8px; background: linear-gradient(180deg, #fff 0%, #fafbff 100%); }\n  .gsg-doc-card img { width: 40px; height: 40px; flex: 0 0 40px; }\n  .gsg-doc-card .doc-title { font-weight: 600; margin: 0 0 2px 0; font-size: 0.95em; }\n  .gsg-doc-card .doc-title a { color: var(--primary); text-decoration: underline; }\n  .gsg-doc-card .doc-note { margin: 0; font-size: 0.85em; color: var(--text-light); }\n\u003c\/style\u003e\n\n\u003cdiv class=\"gsg-description\"\u003e\n\n\u003cnav class=\"gsg-quicknav\"\u003e\n\u003cstrong\u003eQuick Nav\u003c\/strong\u003e\n\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#specifications\"\u003eSpecifications\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#whats-included\"\u003eWhat's Included\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#installation-setup\"\u003eInstallation \u0026amp; Setup\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#applications\"\u003eApplications\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#shipping\"\u003eShipping\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#warranty\"\u003eWarranty\u003c\/a\u003e\n\u003cspan class=\"sep\"\u003e·\u003c\/span\u003e\n\u003ca href=\"#faq\"\u003eFAQ\u003c\/a\u003e\n\u003c\/nav\u003e\n\n\u003csection id=\"overview\"\u003e\n\u003ch2\u003eChallenger RJ4.5 Rolling Jack - 4,500 lb Hand Pump Rolling Jack for CL4P9\u003c\/h2\u003e\n\u003cp\u003eYour CL4P9 four-post lift handles storage and undercarriage access just fine. But the moment you need to pull a wheel for brakes, tire rotation, or suspension work, you're stuck wrestling with a floor jack and jack stands on the runways. The Challenger RJ4.5 rolling jack eliminates that bottleneck. It rolls along your lift's built-in accessory rails, positions under each axle, and gives you 4,500 lb of hand pump lifting capacity for full free-wheel access.\u003c\/p\u003e\n\u003cp\u003eNo air compressor required. No power hookups. The manual hand pump gives you precise, controlled lifting with a simple pump handle, and the mechanical lock holds the load at height so you can work underneath with confidence. The low-profile 3-3\/8 inch drive-over height keeps the jack out of the way when you're loading vehicles, and the 16-1\/4 inch rise height gives you plenty of room to clear wheels off the runways. Two 3-inch stack pads come included for trucks and SUVs that need extra reach.\u003c\/p\u003e\n\u003cp\u003eThe RJ4.5 is sold individually and fits the CL4P9S, CL4P9X, and CL4P9W four-post lifts. Most shops run a pair for front and rear axle access. If you're not sure which rolling jack fits your specific lift model and serial number, give us a call before ordering.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"specifications\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"gsg-spec-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRJ4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e4,500 lbs (2,041 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eManual hand pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive-Over Height\u003c\/td\u003e\n\u003ctd\u003e3-3\/8 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise Height\u003c\/td\u003e\n\u003ctd\u003e16-1\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStack Extensions Included\u003c\/td\u003e\n\u003ctd\u003e(2) 3 in. stack pads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking\u003c\/td\u003e\n\u003ctd\u003eMechanical lock at raised position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydraulic Fluid\u003c\/td\u003e\n\u003ctd\u003eAW32 10wt hydraulic oil, non-foaming, anti-rust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Lifts\u003c\/td\u003e\n\u003ctd\u003eCL4P9 series (CL4P9S, CL4P9X, CL4P9W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eIndividual unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"whats-included\"\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul class=\"gsg-included-list\"\u003e\n\u003cli\u003eRJ4.5 rolling jack assembly\u003c\/li\u003e\n\u003cli\u003eManual hand pump\u003c\/li\u003e\n\u003cli\u003e(2) Footpads with rubber inserts\u003c\/li\u003e\n\u003cli\u003e(2) 3 in. stack pads\u003c\/li\u003e\n\u003cli\u003e(2) Side member assemblies\u003c\/li\u003e\n\u003cli\u003e(2) Arms with extendable lift pads\u003c\/li\u003e\n\u003cli\u003eFlow restrictor assembly\u003c\/li\u003e\n\u003cli\u003eMounting hardware (hex bolts, nuts)\u003c\/li\u003e\n\u003cli\u003eInstallation, operation, and maintenance manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"installation-setup\"\u003e\n\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\n\u003cp\u003eThe RJ4.5 mounts directly onto your CL4P9 series four-post lift's built-in runway rail system. Place the jack assembly on the lift rack rails, adjust the side members until the jack is centered between the rails, then tighten the four hex bolts (two per side) to lock it in place. No air lines, no electrical connections.\u003c\/p\u003e\n\u003cp\u003eBefore putting the jack into service, cycle it through a couple of raises and lowers to get familiar with the pump handle and lock release. When raising a vehicle, always lift at the manufacturer's recommended pick-up points and make sure vehicle weight is evenly distributed on each lift pad. Roll the jack forward before driving a vehicle on or off the lift.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"applications\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cdiv class=\"gsg-app-grid\"\u003e\n\u003cdiv class=\"gsg-app-card\"\u003e\n\u003cstrong\u003eBrake Service\u003c\/strong\u003e\n\u003cp\u003eLift individual axles off the runways for full access to rotors, calipers, and pads without removing the vehicle from your four-post lift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gsg-app-card\"\u003e\n\u003cstrong\u003eTire Rotations \u0026amp; Wheel Service\u003c\/strong\u003e\n\u003cp\u003eRoll into position, pump the handle, and spin wheels on and off. A pair of RJ4.5 jacks turns your CL4P9 into a complete tire service station.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gsg-app-card\"\u003e\n\u003cstrong\u003eSuspension Work\u003c\/strong\u003e\n\u003cp\u003eUnload struts, shocks, and control arms by lifting the axle off the runway. The mechanical lock holds the load so you can work hands-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gsg-app-card\"\u003e\n\u003cstrong\u003eHome Garage \u0026amp; Light Commercial Service\u003c\/strong\u003e\n\u003cp\u003eThe CL4P9 series lifts are popular in home garages and light-duty commercial shops. The RJ4.5 adds wheel-off capability without needing shop air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"shipping\"\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cdiv class=\"gsg-info-box\"\u003e\n\u003cp\u003eOur team coordinates the freight shipment and helps manage scheduling details. Need a delivery window, residential delivery, or liftgate service? Contact us before ordering so we can confirm the best delivery setup and any accessorial charges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"warranty\"\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cdiv class=\"gsg-info-box\"\u003e\n\u003cp\u003eChallenger Lifts, Inc. provides a limited warranty to the original purchaser, covering repair or replacement of defective structural or functional parts due to faulty materials or workmanship. Coverage includes structural components (columns, arms, carriages) and functional parts (power units, cylinders, cables, hydraulic components). Normal wear and tear, consumable items, and damage from misuse, improper installation, or unauthorized repairs are not covered.\u003c\/p\u003e\n\u003cp\u003eWarranty registration may be required after purchase. Refer to included documentation for details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"gsg-cta-section\"\u003e\n\u003ch2\u003eQuestions Before You Buy?\u003c\/h2\u003e\n\u003cp\u003eCall our team at \u003cstrong\u003e(855) 498-2147\u003c\/strong\u003e to confirm compatibility with your CL4P9 lift model and serial number, check lead times, or get help pairing the right accessories for your setup.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"gsg-faq\" id=\"faq\" style=\"margin: 40px 0;\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill the Challenger RJ4.5 fit my CL4P7 four-post lift?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe RJ4.5 is designed for the CL4P9 series four-post lifts, which includes the CL4P9S, CL4P9X, and CL4P9W models. Some retailers list CL4P7 compatibility as well. To confirm fitment for your specific lift, call us at (855) 498-2147 with your full model and serial number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the RJ4.5 require an air compressor or airline kit?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo. The RJ4.5 uses a manual hand pump, so there's no need for compressed air, an airline kit, or any electrical connection. You raise the jack by pumping the handle, and lower it by turning the valve handle counterclockwise. This makes it a straightforward add-on for home garages and shops without centralized air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow many RJ4.5 rolling jacks do I need?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe RJ4.5 is sold as a single unit. Most setups use two jacks, one per axle, for full free-wheel access at both ends of the vehicle. One jack is enough if you only need to service one axle at a time, but a pair maximizes your efficiency on brake and tire work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the lifting range of the RJ4.5?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe RJ4.5 has a drive-over height of 3-3\/8 inches and a rise height of 16-1\/4 inches. Two 3-inch stack pads are included to extend your reach for trucks and SUVs with higher factory lift points. The low drive-over clearance keeps the jack out of the way when loading and unloading vehicles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I install the RJ4.5 on my four-post lift?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003ePlace the jack on your CL4P9 lift's runway rails, center it between the rails using the adjustable side members, and tighten the four included hex bolts (two per side). No drilling, welding, or air line routing is required. The entire process uses basic hand tools and takes a few minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the RJ4.5 have a safety lock?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eYes. The RJ4.5 features a mechanical lock that engages at the raised position. Once you've lifted the axle to height, lower the jack onto the lock. To release, raise the jack slightly off the lock, hold the lock release handle open, then lower. The 4,500 lb rated capacity ensures safe handling of passenger vehicles and light trucks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat maintenance does the RJ4.5 require?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eDaily, inspect the jack and hydraulic system for damage, wear, and leaks. Annually, check the pump oil level by lowering the jack fully, removing the pump from the base, holding it vertical, and removing the breather plug. Oil should be at the top of the filler plug hole. Use AW32 10wt hydraulic oil, non-foaming, anti-rust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this rolling jack on a scissor lift or two-post lift?\u003c\/summary\u003e\n\u003cdiv\u003e\n\u003cp\u003eNo. The RJ4.5 is designed exclusively for CL4P9 series four-post lifts with built-in accessory rails. It's not compatible with scissor lifts (which use the RJ7X), commercial four-post lifts like the 4P14 or 4015 series (which use the RJ7.5 or larger), or two-post lifts. Call us at (855) 498-2147 if you need help finding the right jack for your lift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdiv style=\"display: none;\"\u003e\n\u003c!--FAQ--\u003e Q: Will the RJ4.5 fit my CL4P7 four-post lift? A: The RJ4.5 is designed for CL4P9 series lifts (CL4P9S, CL4P9X, CL4P9W). Some retailers list CL4P7 compatibility. Call (855) 498-2147 with your model and serial number to confirm. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: Does the RJ4.5 require an air compressor or airline kit? A: No. The RJ4.5 uses a manual hand pump with no air or electrical connections required. Raise by pumping the handle, lower by turning the valve handle counterclockwise. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: How many RJ4.5 rolling jacks do I need? A: Sold individually. Most setups use two jacks (one per axle) for full free-wheel access at both ends of the vehicle. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: What is the lifting range of the RJ4.5? A: Drive-over height is 3-3\/8 in. Rise height is 16-1\/4 in. Two 3 in. stack pads included for additional reach on trucks and SUVs. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: How do I install the RJ4.5 on my four-post lift? A: Place on CL4P9 runway rails, center with adjustable side members, tighten four hex bolts (two per side). No drilling or air line routing needed. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: Does the RJ4.5 have a safety lock? A: Yes. Mechanical lock engages at raised position. Rated at 4,500 lb capacity for passenger vehicles and light trucks. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: What maintenance does the RJ4.5 require? A: Daily: inspect for damage, wear, and leaks. Annually: check pump oil level at breather plug. Use AW32 10wt hydraulic oil, non-foaming, anti-rust. \u003c!--\/FAQ--\u003e\n\u003c!--FAQ--\u003e Q: Can I use this rolling jack on a scissor lift or two-post lift? A: No. The RJ4.5 is exclusively for CL4P9 series four-post lifts. Scissor lifts use the RJ7X. Commercial four-post lifts (4P14, 4015) use the RJ7.5 or larger. \u003c!--\/FAQ--\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"Challenger","offers":[{"title":"Default Title","offer_id":48824143184123,"sku":"RJ4.5","price":1927.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/rj3.5-and-4.5-website_e8980e19-473f-454b-bbe7-a3bcc24b279c.png?v=1778046456","url":"https:\/\/garagesupplyguys.com\/products\/rj4-5-4-5k-rolling-jack","provider":"Garage Supply Guys","version":"1.0","type":"link"}