Ditch Witch’s powerful directional drill JT100 Mach 1
August 8th, 2009 by moresnow | Filed under Drilling.
The 268-hp (200 kW) JT100 is an incredibly powerful machine, but it’s not power that makes it so productive—it’s how the power is distributed. The JT100 is designed to deliver power where it’s needed to complete the bore in the most efficient manner, without compromising power to other machine functions. There’s plenty of power for an optional onboard crane and onboard anchor system, too, which eliminate the need for additional equipment for pipeloading, anchoring, and other tasks, and give the JT100 a unique ability: the power to reduce the size of the jobsite.
Equipped with a 268-hp (200 kW) engine, the JT100 is designed so that rotation, thrust, and drilling fluid flow can operate simultaneously at full power, which leads to faster job completion. With 100,000 lb (445 kN) of pullback and 12,000 ft·lb (16 270 N·m) of torque, the JT100 is a directional drill built for both long-range bores, such as river crossings, and installations of large-diameter pipe.
The power of the JT100 allows for the addition of two optional features that can save the contractor significant time and money. One is an onboard crane, which is used to load and unload pipe boxes, anchor the unit, and handle downhole tools, especially drill pipe. Directional drills without an onboard crane require additional equipment, such as an excavator, to perform these functions. The other optional feature is an onboard anchor system—an exclusive Ditch Witch equipment option—that stabilizes the machine on virtually any terrain. Directional drills without this feature typically have to be anchored to another heavier piece of equipment, such as a backhoe or track hoe, to maintain stability during drilling operations.

“Practically speaking, the onboard crane and anchor system together give the JT100 the ability to reduce the size of the jobsite,” says Richard Levings, Ditch Witch organization product manager for trenchless applications. “This is a big plus considering the limited amount of space and other difficult conditions some projects present. [The crane and anchor system] also significantly reduce transportation costs and setup time.”
Difficult conditions are not limited to the surface; below ground is where the majority of directional drilling challenges lie, such as rocky soil. The JT100, says Levings, is prepared for anything, starting with a heavy-duty, double rack-and-pinion thrust drive that is field-proven to push through the longest, toughest bores. Instead of a three-speed gearbox, the JT100 has an infinitely variable rotary drive that can match spindle speed and torque. “[The JT100] is the only drill in its class that can do this,” says Levings. “This enables it to power through virtually any soil condition.”
Another exclusive feature of the JT100 is a dual-pivot drill frame that allows for steeper entry angles without raising the tracks off the ground. This improves machine stability and keeps the operator’s station level.
Because it is designed for long-range bores and installations of large-diameter pipe, the JT100 is equipped with a large-capacity, 230-gpm (870 L/min) fluid pump and larger-than-average hoses and fittings to help move drilling fluid downhole faster, which increases productivity. To minimize the shockloads associated with this large-volume fluid flow, the JT100 has a special dampener to reduce pulsation in the fluid course, which reduces vibration to the machine.
The JT100 has an exclusive assisted-makeup feature that automatically adjusts carriage thrust speed with rotation when making up and breaking out drill pipe, which minimizes wear on pipe threads and extends the life of the drill pipe. Ditch Witch drill pipe is already the longest-lasting pipe in the industry thanks to a special manufacturing process that results in greater strength and flexibility.
The Ditch Witch organization specializes in the design and manufacture of high-quality underground construction equipment. The company is a one-stop source for trenchers, vibratory plows, pneumatic piercing tools, backhoes, electronic guidance and locating systems, horizontal directional drilling systems, drill pipe, downhole tools, vacuum excavation systems, pipe bursting systems, excavator-tool carriers, compact utility loaders, compact utility attachments, pipe bursting systems, and the Zahn® family of power utility equipment.
All of these products are recognized around the world for their advanced design, rugged construction, long-term durability, ease of use, and reliability. This product line represents the most complete range of equipment for installing utilities underground and performing a myriad of landscaping tasks.
The Ditch Witch name is one you can trust for your equipment and financial needs. Ditch Witch Financial Services (DWFS) is a full-service provider, offering a wide variety of finance and lease options to meet your individual requirements.
- Optional onboard crane and exclusive Ditch Witch heavy-duty anchor system eliminate the need for large and expensive support equipment, reducing transportation costs, setup time, and jobsite size.
- Exclusive dual-pivot drill frame allows for steeper entry angles without raising the tracks off the ground, for outstanding machine stability and greater operator comfort.
- With its infinitely variable rotary drive, the JT100 is the only drill in its class that can truly match spindle speed and torque, enabling it to power through virtually any soil condition.
- Heavy-duty, double rack-and-pinion thrust drive is field-proven to push through the longest, toughest bores.
- Large-capacity, 230-gpm (870 L/min) fluid pump plus larger hoses and fittings help move fluid downhole faster, for greater productivity; special damping feature reduces the downhole shockloads associated with greater fluid flow.
- Exclusive assisted makeup feature automatically adjusts carriage thrust speed when making up and breaking out drill pipe, minimizing wear on pipe threads and extending the life of the drill pipe.
- Specialized Ditch Witch-manufactured drill pipe is designed to provide greater strength and flexibility.
- The JT100 is the only drill in its class that enables the transfer of drill pipe from one box to another—and add or remove the upper pipe box—without additional support equipment, so the pipe box is never empty.
- Efficient hydraulic cooling system requires significantly less hydraulic fluid than competitors’ models, reduces maintenance costs, and keeps the engine operating efficiently throughout the workday.
- Ditch Witch dealers sell and support everything necessary for HDD operations, including the drilling unit, fluid-mixing systems, downhole tools, drill pipe, and electronics.
SPECIFICATIONS,
| DIMENSIONS | U.S. | METRIC |
| Overall machine length | 368 in | 9.35 m |
| Overall machine width | 101 in | 2.57 m |
| Overall machine height | 110 in | 2.79 m |
| Drilling unit operating mass | 45,300 lb | 20 500 kg |
| Entry angle: 10 to 15° | ||
| Angle of approach: 13° | ||
| Angle of departure: 17° | ||
| DRILL PIPE | U.S. | METRIC |
| Length, nominal | 177 in | 4.5 m |
| Diameter of tool joint end | 4 in | 102 mm |
| Diameter of drill pipe | 3.62 in | 92 mm |
| Minimum bend radius | 230 ft | 70 m |
| Weight | 229 lb | 104 kg |
| Weight of 12 drill pipe in box | 3760 lb | 1710 kg |
| OPERATION | ||
| Maximum spindle speed: 210 rpm | ||
| Maximum spindle torque | 12,000 ft·lb | 16,300 N·m |
| Carriage thrust travel speed | 150 fpm | 46 m/min |
| Carriage pullback travel speed | 150 fpm | 46 m/min |
| Thrust force | 70,000 lb | 311 kN |
| Pullback force | 100,000 lb | 445 kN |
| Bore diameter | 6 in | 152 mm |
| Backream diameter: Soil dependent | ||
| Ground travel speed (forward) | 3.6 mph | 5.8 km/h |
| Ground travel speed (reverse) | 3.6 mph | 5.8 km/h |
| POWER | ||
| Engine: Deutz TCD2013L06-2V | ||
| Fuel: Diesel | ||
| Cooling medium: Liquid | ||
| Injection: Direct | ||
| Aspiration: Turbocharged & charge air cooled | ||
| Number of cylinders: 6 | ||
| Displacement | 436 in3 | 7.15 L |
| Bore | 4.25 in | 108 mm |
| Stroke | 5.1 in | 130 mm |
| Manufacturer’s gross power rating | 268 hp | 200 kW |
| Rated speed: 2300 rpm | ||
| Emissions compliance | EPA Tier 3 | EU Stage IIIa |
| DRILLING FLUID SYSTEM (ONBOARD) | U.S. | METRIC |
| Maximum drilling fluid pressure | 1000 psi | 69 bar |
| Maximum drilling fluid flow | 230 gpm | 870 L/min |
| FLUID CAPACITIES | U.S. | METRIC |
| Hydraulic reservoir | 47 gal | 180 L |
| Fuel tank | 97 gal | 370 L |
| BATTERY (2 USED) | ||
| SAE reserve capacity rating: 450 min | ||
| SAE cold crank rating @ 0°F (-18°C): 1400 amps | ||
Tags: directional drill, JT100, JT100 Mach1, Mach 1, trenchless drilling

