Save up to 35% Daily deals. AFF 4400 lb 8-1/2" to 34" Heavy-Duty Low-Lift Air/Hydraulic Transmission Jack. In Stock: Ships in 5 days. On the go Daily Deals. Universal 4400 lb 8-1/2" to 34" Heavy-Duty Low-Lift Air/Hydraulic Transmission Jack (3180A) by AFF®. AFF has the only super heavy-duty transmission jack with a 4,400 lb. Built "forge-tough" to handle removal, transport and installation of transmissions, transfer cases or differentials on heavy-duty trucks, buses, agricultural and construction equipment. Saddle Length: 16" - 20". Head Width: 12" - 18". Fully adjustable ...