The PAT-Drill 421 is a heavy duty version of the compact trailer mounted rig. With a heavier and stronger mast, chassis and power pack it provides an alternate machine – ideally suited to being towed by light truck or Land Cruiser.
For down-the-hole-hammer and mud rotary drilling up to 180m depth 100-165mm diameter – according tool selection.
3000 Kg. capacity Single Axle - With Heavy Duty “split ring” all steel wheels.
Rotary Head - 50 mm (2”) Air/Water pipe work & flanged drill pipe adaptor.
Flush drill pipe 76 mm diameter or ‘open throat’ 90 mm diameter for efficent deep mud drilling.
4 Heavy duty hoist points to facilitate truck loading.
Re-postionable levelling jacks giving high ground clearance or vehicle mounting options.
Optional 1,000 Kg. mast head winch for 3 m casing handling.
PAT-Drill 501 Truck mounted rigs retain the inherent simple operating concept of PAT-Drill 421 & 431 but are significantly a heavier and more robust machine able to comfortably drill holes at a higher specification.
For Down-The-Hole-Hammer and Mud rotary drilling up to 300 m depth 150-245 mm (6″-10″) diameter – according to tool selection.
Its is available as standard in 3 models:
PAT-Drill 501 HINO 300 Series Truck Mounted
PAT-Drill 501m HINO 500 Series truck mounted with 8×12 duplex piston high pressure mud pump
PAT-Drill 501 4×4 IVECO M150 truck mounted with 8×12 duplex piston high pressure mud pump
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The oldest PAT-Drill model and still in constant production and has many design refinements through its 25 years.
With a ‘stand alone’ mast unit it can be simply transported and man handled on drill sites – some with tight access.
Rig is powered by a stand alone power pack with a heavy duty Diesel engine or lightweight Petrol engine option.
Ideal application sedimentary mud drilled holes to 100 m depth 100-200 mm diameter.
The PAT-Drill 301 remains a popular PAT Models having been developed and refined through 15 years of continuous production and deployment on a wide variety of international drilling projects.
PAT-Drill 431 is a truck mounted drill rig powered by a deck engine mounted on a rail chassis to fit any suitable 6,500 GVW truck chassis.
For down-the-hole-hammer and mud rotary drilling up to 200 m depth 100-165 mm diameter – according to tool selection.
(Thailand market only)
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