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The Ditch Witch JT4020 Mach 1 and JT4020 All Terrain horizontal directional drilling (HDD) machines are equipped with a welded, double rack-and-pinion thrust drive system that is designed to withstand the rigors of long bores and tough soil conditions. Featuring 15-ft (4.5 m) drill pipe, the rubber-tracked JT4020 Mach 1 has the power and stability to pull multiple conduits up to 1000 feet (305 m) in a single pass, assisted by a cruise-control feature that maintains thrust and rotation settings. The JT4020 Mach 1 features touch-sensitive, variable-speed, electric-over-hydraulic controls that minimize operator effort, with thrust/pullback and rotation controlled by a single lever. The JT4020 Mach 1 has a pipe-loader system with hydraulic pipe grippers, single pipe-loading capability, shuttle stops, and automated thread lubrication.