190-hp (142 kW) diesel engine has the power to drive all functions simultaneously.
Hydraulic, four-point anchor system enables the unit to be firmly secured in all types of ground conditions.
Field-proven, heavy-duty rack and pinion thrust drive with welded-on double rack offers minimum maintenance and maximum reliability.
Specifications JT4020 MACH 1
| DIMENSIONS | U.S. | METRIC |
| Overall machine length* | 337 in | 8.56 m |
| Overall machine width* | 87 in | 2.21 m |
| Overall machine height* | 96 in | 2.44 m |
| Operating weight | 27,670 lb | 12 550 kg |
| Entry angle*: 10° to 16° | ||
| Angle of approach: 17° | ||
| Angle of departure: 17° | ||
| POWER PIPE | U.S. | METRIC |
| Length of drill pipe, nominal* | 177 in | 4.5 m |
| Diameter of drill pipe, tool joint end* | 3.5 in | 89 mm |
| Diameter of drill pipe* | 2.81 in | 71 mm |
| Bend radius, minimum | 190 ft | 58 m |
| Weight of drill pipe* | 158 lb | 72 kg |
| Weight of drill pipe & large box (32 pipe) | 6000 lb | 2720 kg |
| Weight of drill pipe & small box (16 pipe) | 3100 lb | 1410 kg |
| OPERATION | U.S. | METRIC |
| Spindle speed, maximum*: 240 rpm | ||
| Spindle speed, maximum (at inner spindle): 250 rpm | ||
| Spindle torque, maximum* | 5000 ft·lb | 6800 N·m |
| Spindle torque, maximum (at inner spindle) | 2000 ft·lb | 2700 N·m |
| Carriage thrust travel speed* | 120 fpm | 37 m/min |
| Carriage pullback travel speed* | 120 fpm | 37 m/min |
| Thrust force* | 36,000 lb | 160 kN |
| Pullback force* | 40,000 lb | 178 kN |
| Bore diameter | 5 in | 127 mm |
| Backream diameter: Soil dependent | ||
| Ground travel speed (forward)* | 2.5 mph | 4 km/h |
| Ground travel speed (reverse)* | 2.5 mph | 4 km/h |
| POWER | U.S. | METRIC |
| Engine: Cummins QSB6.7 | ||
| Fuel: Diesel | ||
| Cooling medium: Liquid | ||
| Injection: Direct | ||
| Aspiration: Turbocharged & charge air cooled | ||
| Number of cylinders: 6 | ||
| Displacement | 409 cu in | 6.7 L |
| Bore | 4.21 in | 107 mm |
| Stroke | 4.88 in | 124 mm |
| Manufacturer's gross power rating** | 190 hp | 142 kW |
| Rated speed: 2400 rpm | ||
| Emissions Compliance | EPA Tier 3 | EU Stage IIIa |
| DRILLING FLUID SYSTEM | U.S. | METRIC |
| Drilling fluid pressure, maximum* | 1300 psi | 90 bar |
| Drilling fluid flow, maximum* | 120 gpm | 450 L/min |
| Drilling fluid flow, maximum (at pump) | 70 gpm | 260 L/min |
| FLUID CAPACITIES | U.S. | METRIC |
| Fuel tank | 55 gal | 208 L |
| Hydraulic reservoir | 36 gal | 136 L |
