{"product_id":"aff-547sd-50-25-ton-two-stage-air-hyd-axle-jack","title":"AFF 547SD 50\/25 Ton Two Stage Air\/Hydraulic Axle Jack","description":"\u003cstyle\u003e\n  :root {\n    --primary: #333333;\n    --accent: #ff0000;\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\u003eJump To\u003c\/strong\u003e\n    \u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#specifications\"\u003eSpecifications\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#whats-included\"\u003eWhat's Included\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#installation\"\u003eInstallation \u0026amp; Setup\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#applications\"\u003eApplications\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#video\"\u003eProduct Video\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#shipping\"\u003eShipping\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#warranty\"\u003eWarranty\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#documents\"\u003eDocuments\u003c\/a\u003e\u003cspan class=\"sep\"\u003e-\u003c\/span\u003e\n    \u003ca href=\"#cta\"\u003eContact Us\u003c\/a\u003e\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\u003eAmerican Forge \u0026amp; Foundry Axle Jack 547SD - Two-Stage 50\/25 Ton Air\/Hydraulic\u003c\/h2\u003e\n    \u003cp\u003eIf your shop handles heavy trucks, ag equipment, or commercial fleet vehicles, you know the cost when a jack can't hold up to the work. The American Forge \u0026amp; Foundry axle jack 547SD is a two-stage, air-assisted hydraulic axle jack rated at 50 tons in the low stage and 25 tons in the high stage, and it's built to hold up in the kind of environments where lesser jacks tap out. This is not a light-duty unit dressed up to look tough. It's a commercial-grade American Forge \u0026amp; Foundry air jack made for the jobs that come through the door every day.\u003c\/p\u003e\n    \u003cp\u003eThe piston head seal design on the 547SD comes straight from industrial hydraulic technology. That means a tighter, more reliable seal at both low and high pressure, so your load stays put without creep. Double polished chromed pistons hold tighter tolerances than standard production jacks, cutting down on oil bypass and protecting the ram from scoring over time. When you're lifting 50-ton axle loads, hold matters.\u003c\/p\u003e\n    \u003cp\u003eThe 54\" (138 cm) handle locks in three positions so you can position this air hydraulic axle jack under tight clearances without contorting around the rig. Integral descent metering keeps the load coming down at a controlled rate. No sudden drops, no guesswork. Air-assisted lowering speeds up ram retraction between lifts so your tech isn't standing there waiting, and the built-in overload safety valve protects the unit if someone pushes it past its rated limit.\u003c\/p\u003e\n    \u003cp\u003eOrders ship free to the lower 48, and if you need to talk through fit or spec compatibility before committing, call us directly. Real answers, no runaround.\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      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAFF 547SD\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCapacity - Low Stage\u003c\/td\u003e\n\u003ctd\u003e50 Tons\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCapacity - High Stage\u003c\/td\u003e\n\u003ctd\u003e25 Tons\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eRam Lift - Low Stage\u003c\/td\u003e\n\u003ctd\u003e4.61\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eRam Lift - High Stage\u003c\/td\u003e\n\u003ctd\u003e9.09\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eLow Height\u003c\/td\u003e\n\u003ctd\u003e8.46\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHigh Height - Low Stage\u003c\/td\u003e\n\u003ctd\u003e13.07\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHigh Height - High Stage\u003c\/td\u003e\n\u003ctd\u003e17.56\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHigh Height with Extensions - Low Stage\u003c\/td\u003e\n\u003ctd\u003e18.82\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHigh Height with Extensions - High Stage\u003c\/td\u003e\n\u003ctd\u003e23.31\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWorking Air Pressure\u003c\/td\u003e\n\u003ctd\u003e116 - 174 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHandle Length\u003c\/td\u003e\n\u003ctd\u003e54\" (138 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHandle Lock Positions\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eShip Weight\u003c\/td\u003e\n\u003ctd\u003e165 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp\u003e\u003cstrong\u003eCalifornia Residents:\u003c\/strong\u003e Proposition 65 Warning - This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm.\u003c\/p\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\u003eAFF 547SD 50\/25 Ton Two-Stage Air\/Hydraulic Axle Jack\u003c\/li\u003e\n      \u003cli\u003eExtension - 75 mm (3\")\u003c\/li\u003e\n      \u003cli\u003eExtension - 45 mm (1.75\")\u003c\/li\u003e\n      \u003cli\u003eSaddle Adapter\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"installation\"\u003e\n    \u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\n    \u003cp\u003eThe 547SD runs on standard shop air. Connect your air supply line to the jack's inlet and verify that your compressor is delivering between 116 and 174 psi before you lift. Running below that range reduces output force. Running above it can trigger the overload valve prematurely.\u003c\/p\u003e\n    \u003cp\u003eThe single-piece base construction keeps the jack stable on concrete or asphalt shop floors without additional anchoring. Position the jack under the axle, lock the handle into one of its three positions to suit your approach angle, then engage air. The included saddle adapter fits the ram head when you need a broader contact surface. Both extensions thread onto the saddle to add lift height when your clearance demands it.\u003c\/p\u003e\n    \u003cp\u003eNo permanent installation required. Roll it in, connect air, and lift. If you're unsure about compatibility with your existing air supply setup, call (855) 498-2147 before you order.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"applications\"\u003e\n    \u003ch2\u003eApplications\u003c\/h2\u003e\n    \u003cp\u003eThe 547SD is the heavy duty roll on axle jack for shops and yards that run heavy iron every day. Here's where it fits:\u003c\/p\u003e\n    \u003cdiv class=\"gsg-app-grid\"\u003e\n      \u003cdiv class=\"gsg-app-card\"\u003e\n        \u003cstrong\u003eHeavy-Duty Trucking\u003c\/strong\u003e\n        \u003cp\u003eSemi tractors, tandem axle trailers, and Class 7-8 trucks. The 50-ton low-stage capacity handles fully loaded rear axles without flexing under the weight.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"gsg-app-card\"\u003e\n        \u003cstrong\u003eAgricultural Equipment\u003c\/strong\u003e\n        \u003cp\u003eCombines, large tractors, and implements that need full axle access. Farm machinery runs heavy and uneven - this jack holds steady when the ground isn't.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"gsg-app-card\"\u003e\n        \u003cstrong\u003eFleet Maintenance\u003c\/strong\u003e\n        \u003cp\u003eCycling through multiple vehicles per shift? Air-assisted retraction keeps your tech moving between lifts. Less waiting, more throughput.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"gsg-app-card\"\u003e\n        \u003cstrong\u003eMunicipal and Construction\u003c\/strong\u003e\n        \u003cp\u003eUtility trucks, dump trucks, concrete mixers. Any vehicle with a heavy rear axle load that needs a reliable jack axle solution in a working yard.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cp\u003eYour fleet might span everything from light-duty service vehicles needing a 7-ton heavy duty axle jack all the way up to fully loaded semis demanding 50-ton capacity. The 547SD handles the heavy end of that range. If you're stepping up from a smaller unit like the 2235 air hydraulic axle jack, the dual-stage system on the 547SD is a significant jump in both capacity and control. For shops comparing across the AFF lineup, the 565E covers 22-ton needs, the AFF 544 44-ton air hydraulic axle jack fills the mid-range, and the 547SD sits at the top. When you're weighing this against other 50-ton 2-stage air hydraulic axle jacks on the market, the industrial piston seal design and single-piece base construction are what separate it.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"video\"\u003e\n    \u003ch2\u003eProduct Video\u003c\/h2\u003e\n    \u003cdiv class=\"gsg-video-wrap\"\u003e\n      \u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Zo9cu4MfB44?si=zsgFnW1npccepdTl\" title=\"AFF 547SD 50\/25 Ton Air Hydraulic Axle Jack\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\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\u003e\u003cstrong\u003eFree Shipping to the Lower 48 States.\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eThis unit ships at 165 lbs and requires freight delivery. Delivery times vary by location. For estimated lead times or questions about your order, call (855) 498-2147.\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\u003e\u003cstrong\u003eLimited One-Year Warranty\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eAmerican Forge \u0026amp; Foundry warrants this product to the final purchaser to be free from defects in material and workmanship for one year from the date of purchase. Torque wrench calibration is separately covered for 90 days from point of purchase.\u003c\/p\u003e\n      \u003cp\u003eIf a defect is found during the warranty period, AFF will repair or replace the unit at their option, provided the equipment is shipped prepaid with proof of purchase to AFF or a designated authorized service depot.\u003c\/p\u003e\n      \u003cp\u003eThis warranty does not cover damage resulting from accident, overload, abuse, or use of attachments not expressly recommended by American Forge \u0026amp; Foundry. No other warranties, express or implied, apply. AFF's sole obligation is repair or replacement of defective parts or units.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"documents\"\u003e\n    \u003ch2\u003eDocuments\u003c\/h2\u003e\n    \u003cp style=\"font-size: 0.9rem; color: #555; margin-bottom: 1rem;\"\u003eClick to open in a new tab.\u003c\/p\u003e\n    \u003cdiv class=\"gsg-docs-grid\"\u003e\n      \u003cdiv class=\"gsg-doc-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/pdf.png?v=1731289095\" alt=\"PDF\" width=\"40\" height=\"40\" loading=\"lazy\"\u003e\n        \u003cdiv\u003e\n          \u003cp class=\"doc-title\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/AFF_547SD_Sale_Sheet.pdf?v=1775627231\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eAFF 547SD Sale Sheet\u003c\/a\u003e\u003c\/p\u003e\n          \u003cp class=\"doc-note\"\u003eSale Sheet\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"gsg-doc-card\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/pdf.png?v=1731289095\" alt=\"PDF\" width=\"40\" height=\"40\" loading=\"lazy\"\u003e\n        \u003cdiv\u003e\n          \u003cp class=\"doc-title\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/AFF_547SD_Parts.pdf?v=1775627260\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eAFF 547SD Parts\u003c\/a\u003e\u003c\/p\u003e\n          \u003cp class=\"doc-note\"\u003eParts\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"cta\" class=\"gsg-cta-section\"\u003e\n    \u003ch2\u003eReady to Order or Have Questions?\u003c\/h2\u003e\n    \u003cp\u003eCall us at \u003cstrong\u003e(855) 498-2147\u003c\/strong\u003e - we'll help you confirm the right jack for your shop before you order.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection id=\"faq\" class=\"gsg-faq\" style=\"margin: 40px 0;\"\u003e\n    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat air pressure does the AFF 547SD require to operate?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe 547SD requires 116 to 174 psi of shop air. Verify your compressor can deliver within that range before connecting. Running below the minimum reduces lift force. Running above the maximum may trigger the built-in overload safety valve prematurely.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat extensions come with this jack, and how high can it lift with them installed?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe 547SD includes two extensions - a 75 mm (3\") piece and a 45 mm (1.75\") piece - plus a saddle adapter. With both extensions installed, maximum lift height reaches 18.82\" in the 50-ton low stage and 23.31\" in the 25-ton high stage.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the minimum clearance needed to get this jack under a vehicle?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe 547SD has a low height of 8.46\" in both stages. You'll need at least that much ground clearance under the axle to position the jack before lifting. This measurement applies regardless of which stage you're using.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the low stage and high stage on this jack?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eThe 547SD operates in two stages. In the low stage, it delivers 50 tons of capacity with a 4.61\" ram lift. Once the low stage reaches its limit, the high stage takes over at 25 tons of capacity with an additional 9.09\" of ram travel. Total lift height in the high stage reaches 17.56\" without extensions, or 23.31\" with both extensions installed.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDoes this jack ship for free?\u003c\/summary\u003e\n      \u003cdiv\u003e\n        \u003cp\u003eYes. The AFF 547SD ships free to the contiguous lower 48 states. It ships at 165 lbs via freight carrier. Call (855) 498-2147 for estimated delivery times to your location.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdiv style=\"display: none;\"\u003e\n      \u003c!--FAQ--\u003e Q: What air pressure does the AFF 547SD require? A: Requires 116 to 174 psi shop air. Below minimum reduces lift force; above maximum may trigger the overload valve. \u003c!--\/FAQ--\u003e\n      \u003c!--FAQ--\u003e Q: What extensions come with this jack and how high can it reach? A: Includes 75mm (3\") and 45mm (1.75\") extensions plus saddle adapter. Max height with extensions is 18.82\" (50T stage) or 23.31\" (25T stage). \u003c!--\/FAQ--\u003e\n      \u003c!--FAQ--\u003e Q: What is the minimum clearance needed to get this jack under a vehicle? A: Low height is 8.46\" in both stages. At least 8.46\" of ground clearance is required under the axle to position the jack. \u003c!--\/FAQ--\u003e\n      \u003c!--FAQ--\u003e Q: What is the difference between the low stage and high stage? A: Low stage delivers 50 tons with 4.61\" ram lift. High stage delivers 25 tons with 9.09\" additional travel. Max height in high stage is 17.56\" (23.31\" with extensions). \u003c!--\/FAQ--\u003e\n      \u003c!--FAQ--\u003e Q: Does this jack ship for free? A: Yes, free shipping to the lower 48 states. Ships at 165 lbs via freight. Call (855) 498-2147 for delivery time estimates. \u003c!--\/FAQ--\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"American Forge \u0026 Foundry","offers":[{"title":"Default Title","offer_id":47914531127547,"sku":"AFF547SD","price":2842.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/3612\/5947\/files\/AFF_547_SD_25-10_Ton_Super_Duty_2_Stage_Air_Hydraulic_Axle_Jack.jpg?v=1776141247","url":"https:\/\/garagesupplyguys.com\/products\/aff-547sd-50-25-ton-two-stage-air-hyd-axle-jack","provider":"Garage Supply Guys","version":"1.0","type":"link"}