If you looking for one of the best sj-40t worm screw jack manufacturers or a such supplier in China,Website:://.screwjacksj.com, equipped with one professional factory, Sijie Industrial Co.,Ltd is always at your service, we are able to offer you customized sj-40t worm screw jack products.SJ-40T Worm Screw Jack Detailed Information:1: Jack Model: SJ-40T2: Static Load Capacity: Max 40 tons3: Dynamic load Capacity: Max 10.3 tons4: Lifting Screw Diam: 80 mm5: Lifting Screw Pitch: 12 mm6: Gear Ratio: 1/12, 1/18, 1/367: Lifting Speed: 1.67mm/s-25mm/sSJ-40T Worm Screw Jack Specification:ModelLiftingScrew(mm)WormGearRatioTravel perFull turn ofworm (mm)1800RPM1500RPM1200RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)SJ-40TTr80*121/121mm5.561975305.392300255.112725201/180.67mm4.292125204.29255016.74.07302513.31/360.33mm2.872625102.7830508.32.6636506.7WormGearRatioTravel perFull turn ofworm (mm900RPM600RPM300RPMPower(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)Power(HP)Load(kg)Speed(mm/s)1/121mm5.13625154.674975103.32705051/180.67mm4.074025103.6754506.72.677253.331/360.33mm2.67487552.4166003.331.88103001.67