2 Boom Wheel Jumbo ■ New high performance drifter ＨＤ２２０ ■Drilling coverage diagram Horizontal – Parallel Drilling coverage ・ 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 ■Specifications Ｍｏｄｅｌ Mass Impact rate Rotation speed 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 （ 6.0km / 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

2 Boom Wheel Jumbo ■ Over View Extension Guide shell 3.4m Feed Length 4.0m Feed Length Overall length Feed length ■ Specifications Ｍｏｄｅｌ Principal dimension Ｍｏｄｅｌ Engine＆Power line Operating mass Engine type Hydraulic drifter Drilling coverage （width x height） 4 cycle, 4 cylinders, Water cooled diesel QSB4.5 Overall length Rated output Overall width Exhaust emissions certified Power transmission Overall height （Operator roof lowered） Traveling speed （ Horizontal） Driving type Braking system Working brake Axle-in 4 wheel disc brake Min.turning radius （Outside） Parking brake Mechanical drum brake...