Foremost Drills/Mobile Drilling Company, Inc. B-31 Truck Rig

Foremost Drills/Mobile Drilling Co.,Inc.
Model B-53 Truck/4WD/Track Rig

Model B-53 Truck Rig

Specifications

Pulldown and Retract
Retract force............................14,140 lbs.
Pulldown force........................18,850 lbs.
Rate of free feed---low..............38.3 fpm
Rate of free feed---high............95.3 fpm
Rate of free retract---low...........51 fpm
Rate of free retract---high.........127 fpm

Drill Head Assembly
Torque output..........................5955 lb-ft
Speed range (10 speeds)...........27 to 716 rpm
Hollow spindle..........................4.63 in.

Drilling Capacities
6 in. cont. flt. augers.................245 ft.
3-3/8 in. ID hollow augers.........150 ft.
AW or AQ tools.........................1600 ft.
NW or NQ tools.........................1000 ft.
.

Note: Drilling capacities may vary according to
local subsurface conditions

Note: The drill rig remains the same even though the carrier may differ.

Model B-53 Lateral Drawing

Foremost Drills/Mobile Drilling Co.,Inc.
Model B-61 HDX/Pacemaker Rig

Model B-61 Pacemaker Truck Rig

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Specifications (Model B-61 HDX)

Pulldown and Retract
Retract force......................31,000 lbs.
Pulldown force..................23,300 lbs.
Rate of feed......................36.8 fpm up
Rate of feed......................45.3 fpm down
Regenerative retract..........70 fpm
Max torque........................20,000 ft/lbs

Hoists
Main hoist..........................12,000 lbs; 0-290 fpm
Auxilliary hoist....................3,200 lbs; 0-100 fpm
Safe-T-Driver hoist..............900 lbs; 910 fpm

Drilling Capacities
Auger/soil sampling.............300 ft.
Auger drilling.......................375 ft.
Rotary drilling......................1,200 ft.
Diamond coring...................2,000 ft.
Hollow spindle.....................4-3/4 in. ID
Auger size............................max. 10-1/4 in. ID
.

Note: Drilling capacities may vary according to
local subsurface conditions

Model B-61 HDX Truck Rig

Model B-61 Truck Rig

PC Exploration's Model B-61 Truck Rig