1 Boom Wheel Jumbo ■ New high performance drifter ＨＤ２２０ ・ 20kW Impact Power ・ Dual damping system : High speed & stabilized drilling performance ・ High efficient compact valve ・ High durable rotation part for large hole size ・ High durable sealing system at swivel part for less maintenance ・ High torque drilling with proper mounting system ■Drilling coverage diagram Horizontal – Parallel Drilling coverage Lookout 3° Drilling coverage ■Specifications Ｍｏｄｅｌ Mass Length Height Impact rate Rotation speed Shank rod thread Drill hole range Damping system ■ EURO Tier3 Engine Standard : Cummins （ QSB4.5 / 119kW ） Optional : Deutz （ D914L04 / 58kW ） ■ High performance & high durability driving system ・ Increase climbing speed （ 8.0km / inclination ratio 1 : 8 ） ・ Easy driving by HST （ Hydro-Static Transmission ） ・ Improvement of breaking distance ■ Simple hydraulic control system ・ Minimize downtime with easy to maintenance ・ To be reduced running cost

1 Boom Wheel Jumbo ■ Over View Operating mass Hydraulic drifter Engine＆Power line Engine type Model 4 cycle, 4 cylinders, Water cooled diesel QSB4.5-3B Overall length (Feed length : 3.4 m) Rated output Overall width Exhaust emissions certified Drilling coverage （width x height） Overall height (Operator roof lowered) Traveling speed ( Horizontal) Min.turning radius （Outside） Min.turning radius （Inside） GH833-34-Ⅲ Guide shell Overall length Feed length Boom length（min.） Power transmission Driving type Tier-3 for EPA Hydro-Static Transmission (HST) 4 wheel drive Braking system Working brake Axle-in...