Two boom jumbo drilling rig
35' | J-352-LS series
J. H. Fletcher &Co.
Model J-352-LS Dual Boom Jumbo
For efficient drilling of headings up to 60'w x 35'h. Ergonomically-designed cab is heated, air conditioned and designed for reduced noise. Enough fuel and pelletizing water on-board for a full shift.
Two boom jumbo is designed specifically for limestone mines and efficient drilling of headings as large as 60 ft. wide and 35 ft. high in one set up.
Self contained, diesel hydraulic jumbo drill, provides the flexibility required to handle face, bench and roof bolt drilling requirements. J-352-LS carries all fuel
and pelletizing water necessary to operate a full 10 hour shift without service.
Four ram type stabilizers (two each front and rear) lift the complete machine 1 ft. off ground. Front stabilizers extend out to a 15 ft. wide stance for the improved stability required for full width hole locations.
Tram drive is provided by an engine driven closed loop hydrostatic system driving through a two-speed drop box and drive shafts to both axles. A single joystick controls tram speed, direction and steering.
The operator cab is ergonomically designed to provide unparalleled control, comfort and visibility. Cab includes a standard air conditioner/heater and is
designed to achieve an 80 dba noise level. An optional cab lift system is vailable to lift the cab 18” for further visibility improvements.