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If you're parked with a loaded trailer on an uneven suface, the zinc plating on these jacks resists corrosion better than paint alone—especially important when you're dealing with road salt and moisture form spring runoff.
Outer tube sizes run Φ48 mm, 57 mm, 50 mm, or 64×64 mm depending on the capacity you pick, but basically the steel core is what handles the load—roughly 350 to 7000 lbs give or take—and it's the electric galvanizing that keeps the inner tube from binding when you crank it up after a long winter.
We usually have stock on the 6-inch rubber wheels, though some buyers go with the plastic wheels for lighter trailers; the casting wheel option handles heavier loads but it's not ideal for sharp gravel surfaces because of that it'll chip the edge over time.
The height adjusts from about 420 mm to 1295 mm depending on the model, which is tight for some A-frames but it works if you don't have a massive drop—we don't always know teh exact fit for every chassis, so check the mounting bolt pattern before you order.
ISO and CE certs are standard, plus we've got the COA from each batch if you need it for audit purposes.
4-6 weeks lead time on the 7000 lb units, but the others ship within 2 weeks or so—MOQ is 50 pieces, and we'll confirm the wheel type when you place the order.
Lead time is typically 25–35 days from order confirmation, depending on current production load. We can give you a tighter estimate once you specify the exact model and quantity.
Yes, for heavier models like the 7500lb capacity, we recommend and offer dual 6-inch wheels for better stability and weight distribution. Just confirm when you place the order so we set that up.
Our MOQ is generally 200 pieces per model, but for smaller sizes like the 350lb jack we can sometimes negotiate down to 100 pieces. Let us know your target quantity and we'll see what we can do.
Absolutely, we can include ISO/TS16949, CE, and CCC certificates with your order. Just add a note on the purchase order and we'll attach the relevant docs to the packing list.
Keep them in a dry, indoor area away from moisture and direct rain. The zinc plating gives good corrosion protection, but if you're storing long-term, a light coat of oil on the surface helps even more.
