Specifications

D-25 DRILL SPECIFICATIONS

GENERAL

All purpose drill rig for shallow soil and rock exploration, and monitoring well installation. Ideal for drilling in areas with low overhead clearance or difficult access.

Rated for 3-1/4"(83mm) I.D. hollow stem auger to 50 ft.(16m) depth.

Standard penetration test 50-100 ft(16-30m) depth.

Rated to 150 linear feet (45m) of core drilling using N series tools.

FRAME & BASE

The drill frame is a weldment, constructed of heavy wall rectangular steel tubing, with sufficient strength and rigidity for heavy duty use.

POWER SOURCE

27 HP Kohler 2 cylinder, air cooled gasoline engine with 12 volt electric start.

18 HP Deutz(Rugerinni) 2 cylinder, air cooled diesel engine with 12 volt electric start.

(Dieselmatic cold weather kit available)

CLUTCH & TRANSMISSION

Clutch  - 8"(203mm) automotive type.

Three speed forward and one reverse.

RIGHT ANGLE DRIVE

The right angle drive is a heavy-duty gearbox, totally enclosed and running in oil

ROTARY BOX

The rotary box consists of a #60 two strand roller chain drive, totally enclosed and running in SAE 90W gear oil.

SPECIFICATIONS

Spindle bore                      2.375 I.D. (60mm)

Spindle travel                    66" (1676mm) 1,778

Maximum gross spindle torque*         2320 ft lbs to 3066 ft lbs

                                                                 (3145 Nm) to (4156 Nm)

Thrust         up 9800 lbs. (43.6 kN)

                    down 7300 lbs. (32.5 kN)

Maximum spindle speed*     7 foward 3 reverse       low range 46 RPM

                                    high range 652 RPM

              *varies with engine choice

HYDRAULIC SYSTEM

On the D-25, oil is supplied by a heavy duty gear type two-section pump rated at 6 GPM(23l/min) & 12 GPM(48l/min) at 3600 RPM. Maximum operating pressure is 2000 PSI(13899k Pa).

The hydraulic valves are stock sectional body directional control valves with integral non-adjustable relief valve.

AUGER ADAPTER

A heavy duty universal joint, which mounts to the spindle with a single nut, is provided for ease in hook-up and adjusting for misalignment, All components are sized to withstand torque and axial loads encountered under most drilling conditions. 1-5/8"(41.3mm) female hex is standard, other sizes available.

DRILL RIG DIMENSIONS

Over all Length - 102"(2603 mm)

Over all width basic unit - 33 1/2"(851 mm)

Over all height(mast down) - 54 1/2"(1384 mm)

Over all weight(depending on options) - 2000-2800 lbs(816-1043kg)