Timber Jack

  The Ellis MFG Timber Jack is a versatile support that can support up to 30,000 lbs. Fasten it to the end of a 4x4 or 6x6 piece of lumber to create a shore with 5" of adjustment.  The low cost and high load capacity of the Timber Jack ranks it as having the best value in the Ellis Screw Jack family. Specifications Specifications Timber Jack 4x4 (TJ-4) Load Capacity: 15,000 Lbs / 7.5 Tons Overall Height: 9-1/8" Base Plate 5" Top Plate: 5-1/2" Acme Screw Size: 1-1/4" Range of Adjustment: 5" Lifting Capacity: 4000 Lbs. / 2 Tons TIMBER JACK 6X6 (TJ-6) Load Capacity: 30,000 Lbs / 15 Tons Overall Height: 10" Base Plate 5" Top Plate: 5-1/2" Acme Screw Size: 1-1/2" Range of Adjustment: 5" Lifting Capacity: 4000 Lbs. / 2 Tons   Safe Working Loads (based on use of southern yellow pine #1) Total Shore Height (ft) Maximum load Capacity (2.5/1 safety factor, lbs.) TJ-4 TJ-6 4' 15,000 30,000 6' 12,000 30,000 8' 7,200 30,000 10' 5,000 27,000 12' 3,000 20,000 14' 2,600 15,