Borehole Diameter: 6-inch
Pull/Push-Back Force: 15,000-lbs/9,000-lbs
Soil Types: Sand, clay, soft & hard rock formations
Applications: Water wells, soil sampling, geotechnical testing, exploration shot holes & auger drilling
The LS400T+ is the largest in the Lone Star line. It boasts a 6 inch borehole with drill depths up to 400 feet. It easily adapts to DTH hammer drilling. It also offers an optional foam injection/lubricator. The LS400T+ is shipped fully assembled in a 20-foot container.
- The LS400T+ features a heavy-duty welded steel construction with a two-piece bed.
- Hydraulic system features pull-back forces of 15,000-pounds and push down forces up to 9,000-pounds for getting through harsh terrain.
- Controls are conveniently located on the left side of the trailer.
- The LS400T+ features 16-inch wheel and tire assembly with load range “E” tires.
- Adjustable height surge brake coupler can be fitted with pintle ring or ball hitch.
- Optional anchor kit allows pushing beyond the weight of the trailer for additional force.
- A 3-way ball valve enables the operator to quickly by-pass mud flow when adding pipe.
Dimensions L (overall) x W (overall)
Mud Pump Options
Hydraulic Power Source
Hydraulic Power Source Details
Optional Drill Collars
Optional Roller Cone Bits
Optional Anchor Kit
Optional DTH Air Hammer Kit
Payable Every Year
Pull back- 15,000 lbs. (6,803.88 kg)
Push down-9,000 lbs. (4,050 kg)
8 in. x 4 in. (20.32 cm x 10.16 cm) rectangular tubing
BL-8444 leaf chain
144 in. (365.76 cm) travel
0-135 variable RPM
712 ft. lbs. (965.34 N m)
241 x 84.2 in. (612.14 x 213.87 cm)
93 in. traveling (236.22 cm)
244 in. operating (619.76 cm)
Honda GX340 gas or Gorman Rupp 82H52
2 in. (5.08 cm)
2 in. (5.08 cm)
37 hp Kohler v-twin with 22 gal. (83.28 L) fuel capacity
50 hp Perkins diesel with 22 gal. (83.28 L) fuel capacity
1 10 ft (3 m) suction hose, 2 20 ft (6 m) discharge hoses
10 Micron return filter, 100 micron suction strainer
Dual circuit: 15 GPM at 2,500 psi (56.4 l/m at 17,236.89 kPa);
3GPM at 2,500 psi (11.34 l/m at 17,236.89 kPa)
Electric fan cooling unit
2 in x 10 ft.
(5.08 cm x 3 cm)
Mayhew Jr. taper thread tool joints
Joints with breakout lugs
Bits & reamers
3-7/8 in. to 7 in. diameter
(9.842 cm to 20.32 cm diameters)
Optional bits up to 10 in. diameter (25.4 cm diameter)
2 in. (5.08 cm) load bearing side inlet with top head drive swivel
1 1/2 in. (3.81 cm) 17 tooth splined shaft motor connection
Hydraulic Drill Pipe Breakout
1,000 lb capcity (453.59 kg)
120 ft (36 m) of 3/8 in. (.95 cm) cable
7,800 lbs. average (3,538 kg)
400 lbs. (181 kg)
Left side of trailer