Boom coverage of 5.46 m by 5.46 m (17’11” by 17’11”)
Intelsense drilling control system
Hydrostatic drive for lower profile and tighter turning radius
Diesel powered for tramming and electric powered for drilling
Jumbo hydraulics featuring variable displacement piston pumps


The hydraulic jumbo drill, a single-boom hydraulic rig, is designed for drilling vertical, horizontal and angled holes in underground production or development headings. The jumbo drill has boom coverage of 5.46 m by 5.46 m (17’11” by 17’11”) and inner and outer turning radius’ of 4.19 m (13’9”) and 6.48 m (21’3”), respectively.

The hydraulic jumbo drill features the Intel-sense drilling control system, which includes the following features:

Collaring
Anti-jamming
Automatic water monitoring with feed return if low pressure is encountered
Auto return to start position after hole completion
Control levers for operating percussion, rotation, and feed

The jumbo drill also includes robust drilling and carrier hydraulics that feature variable displacement piston pumps; specifically:
Jumbo hydraulics: load-sensing, closed-circuit design for percussion, rotation, feed, and boom movements
General hydraulics: load-sensing, closed center circuit design for optimal efficiency
Steering hydraulics: load-sensing, closed center circuit design; stick steering with direct-acting control valve and two double-acting steer cylinders

Single Boom Drilling Jumbo

Offers single and multiplayer games, private and public. Includes statistics, integrated chat and is multi-language.

Manufactures pumps protectors. Single phase and three phase models available to 200hp. Broomfield, CO.

New and used drilling equipment.

Underground jumbo drill

Information about Doofor's hydraulic rock drills and drifters for surface drilling, underground use and construction. Doofor drills are Doofor-designed and manufactured in Finland.

Manufactures custom hi-pressure underground mine doors and other various equipment for the Mining Industry, including Cable Vulcanizers and Track Cleaners.

Canadian supplier of pneumatic percussion drilling equipment for underground hardrock mines and pneumatic diamond drill coring equipment for mineral exploration.

flame proof jumbo

Manufacturer of electric motors such as three-phase, single-phase, brake, flame-proof, servo and drip-proof and drives. Croatia, Zagreb.

Spain. Manufacturers of high-tenacity, heat-resistant and flame proof, water and static proof, waxed and bonded technical sewing threads, from polyester and polyamide filaments, and regular and cotton covered core spun polyester. Technical information and color cards. English, Spanish and French.

USA. Finishing services for decorative interior fabrics. Flame proofing, stain protection, back coating, knit backing and vinyl lamination, and a variety of specialty treatments. On-line ordering, with price quote form.

Level Surface Drilling Jumbo

Develops and produces rigs for surface and underground drilling, loaders and trucks, and hydraulic hammers for demolition . Production facilities located in Finland, Sweden, France, Canada, Brazil and India.

Provides specialised underground and surface drilling services to the resource and mining industry. Includes company profile, reports, operations, safety, and employment sections.

Information about Doofor's hydraulic rock drills and drifters for surface drilling, underground use and construction. Doofor drills are Doofor-designed and manufactured in Finland.