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GEFCO 135

Product catalog summary

Overview: The GEFCO 135 is a versatile and reliable drill used in shallow water well, geothermal, and shallow exploration industries for over 30 years. It is particularly suitable for residential water well and geothermal contractors due to its all-hydraulic power and rotary table design.

Specifications: The drill has a bare drum single line pull rating of 10,900 lbs (4,944 kg) and a maximum hook load of 30,738 lbs (13,934 kg) with the traveling block at the bottom of the mast. It features a full-torque gear type power take-off unit and double drum drawworks with air clutches.

Key Components:

Kelly/Hoist Drum: The Kelly drum has a diameter of 7 1/2 in x 6 in, with a single line pull of 10,900 lbs. The hoisting drum has a diameter of 7 1/2 in x 28 in, with a single line pull of 6,000 lbs.
Rotary Table: Features a spiral bevel gear type enclosed in an oil bath case with an 8 1/2 in opening, hydraulically retractable to 18 in.
Mast: 33 ft working height, hydraulically raised and lowered, equipped with sheaves for three lines to each drum.
Leveling Jacks: Four hydraulic jacks, two at the front with a 36 in stroke and two at the rear with an 18 in stroke.

Popular Options: The drill offers various mud pump and compressor options, including a 5 x 6 piston pump, 5 1/2 x 8 piston pump mechanical, and a 4 x 3 centrifugal pump. It also includes a single-stage screw air compressor with 300 CFM/200 PSI capacity.

Dimensions and Weight: The drill measures 34 ft 6 in in length, 8 ft in width, and 11 ft 3 in in height, with an approximate weight of 37,000 lbs, depending on selected options.

Additional Features: The drill includes a driller platform, operator's console, and lighting with five shockproof lamps. It can be mounted on various truck configurations, and it includes a pipe rack for carrying drill pipes.

Catalog excerpts

The GEFCO 135 has been a popular drill for over 30 years in the shallow water well, geothermal and shallow exploration industries. With 10,900 lbs. (4,944 kg), it’s the perfect drill for the residential water well and geothermal contractor. This all-hydraulic powered, rotary table drill has several mud pump and compressor options to meet the needs of any driller. That combined with the speed and pull of conventional drawworks makes this rig a quick hitting, reliable unit.

Open the catalog to page 1

Rotary Table Drilling Rig SPECIFICATIONS RATINGS POWER TAKE OFF UNIT DRAWWORKS KELLY / HOIST DRUM Drum Diameter Single Line Pull Brakes Clutch ROTARY TABLE KELLY SWIVEL MAST LEVELING JACKS DRILLER PLATFORM OPERATORS CONSOLE MOUNTING LIGHTING WEIGHTS & DIMENSIONS 10,900 lbs (4,944 kg) bare drum single line pull, 30,738 (13,934 kg) maximum Hook load with traveling block at bottom of mast. 20,000 lbs (9,072 kg) working Hook load with block at top of mast. Full-torque gear type enclosed oil bath. Double drum drawworks with air clutches standard, independently operated. Kelly Drum and Hoisting Drum...

Open the catalog to page 2