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That 8800 Nm of torque is what really sets this apart for geothermal work—it's enough to chew through fractured granite without stalling power head, which is critical when you're hitting unexpected hard layers at 300 meters down.
We've been running these with 89mm drill pipe on a 200-meter test well, and the 6.6-meter stroke cuts guide rod changes by about 40% compared to the old 3-meter setups, basically meaning you're drilling more and handling pipe less.
The 112 plunger pump handles the hydraulic load pretty well, though the 1.5-ton hoisting limit means you'll want a separate winch for anything heavier than casing sections—it's not a crane, just a fact of the design.
For ordering, we usually have stock on the 3-meter pipe option (around 400-meter depth with 219mm bit), but the 6-meter pipes need a 20-day lead time or so since they're custom-cut, so confirm your preference before we quote.
You'll want to flush teh hydraulic oil after the first 50 hours of use, as the system tends to shed some fine metal particles form break-in—we include the first COA with the unit, but third-party HPLC on the fluid is worth doing if you're pushing it hard.
We typically require a minimum order of 1 unit for the JS-450S, as it's a heavy-duty machine. For bulk orders, we can discuss discounts on a case-by-case basis.
Lead time is usually 30-45 days after order confirmation, depending on stock availability. We'll confirm the exact timeline when you place the order.
Yes, the machine is CE certified, and we provide the certification documents along with a user manual and warranty card. Additional quality reports are available on request.
The machine is optimized for those pipe sizes, but it can handle slightly different diameters with minor adjustments. We recommend sticking to the specified range for best performance and safety.
Store it in a dry, covered area to protect from weather, and drain the fuel and hydraulic fluids if storing over 3 months. We also suggest running the engine monthly to keep seals lubricated.
