The Diesel Drillling Rig works well for medium rock formations and contains the following:
- 7 hp Hatz diesel engine - Main base stabilizer rails - Weight bar pull down assist with 250 lbs. - Mobile unit wheel dolly system - Air/water/mud injection flow control valve swivel system - Main base water deflector shield - Drill steel table water deflector shield - Mechanical adjustable pull down pressure winch system - Double spool winch - 25-1 gear box - Quality Control Inspected - Sales and technical service direct from the Portadrillmini Inventor.
Portadrillmini Drill basic unit specifications: - Height 9'2" - Weight - Approx. 710 lbs. (transportable) - Approx. 990 lbs. (Set up to drill) - Base width of machine 3FT.- Max width - 4' FT. - Adjustable mechanical cable pull down pressure (Capable of lifting the machine off the ground) - Drill Steel Pipe 5 ' sections (1 3/4" OD, 1 3/8" ID) 20 lbs. each - Drill capacity mechanical rating 200 FT. (maximum drill depth unknown) . Current record depth reported 272 Ft. (83 meters) - Three way injection (Air/water/ mud injection and foam injection capabilities) - Minimum required air injection: 185 CFM @ 100 P.S.I. - Drills 6" concrete (approx. 5min) - Drills 30' coral rock solid formation (1hr 15min) - Tested from 1.5" Diameters up to 6" Diameters.
Portadrillmini Diesel Basic Drilling Rig 
The Diesel Drillling Rig works well for medium rock formations and contains the following: