HT81 Hydraulic Drilling Jumbo

Drilling Jumbo,hydraulic crawler drilling jumbo,hydraulic drilling jumbo HT81 Hydraulic Drilling Jumbo Direct controlled hydraulic tunneling and mining drilling Jumbo equipped with telescopic boom and imported hydraulic drifter for cross sections up to 31 m2 Features *The drilling Jumbo adopted a direct controlled drilling system which incorporates excellent anti-jamming function RPCF (Rotation Pressure Controlled Feed force). *Hydraulic drifter with large flow, low pressure and modern double reflex dampening giving genuine high speed drilling and excellent drill steel economy. *HT series heavy-duty box-type hydraulic feeds with high torsional resistance. *Telescopic heavy-duty booms for direct, fast and accurate positioning between holes. *Sturdy, articulated carrier with four wheel drive for easy manoeuvring in narrow tunnels and drifts. Four jacks for stable set up. Basic rig includes telescopic FOPS-approved protective roof, cable reel. HT Series Feeds HTA HTB HTC HTD Total length, mm 4607 5217 5827 6437 Drill steel length, mm 3090 3700 4350 4915 Hole depth, mm 2755 3365 3975 4585 Telescopic Boom Feed extension 1250 mm Boom extension 1250 mm Parallel holding Complete Feed roll-over 360 degrees Max. lifting angle +65 degrees -30 degrees Max. swinging angle ±35 degree Dimensions and weights Width 1850mm Height roof down 2340 mm roof up 3040 mm Length while travelling 11050 mm Ground clearance 280 mm Gross weight (basic rig) 10500 kg Rock Tools Drifter rods Dimension Min. hole dia, mm R38-Hex 35-R32 45 Shank adapters Thread Dia, mm Length, mm R38 38 435 Couplings Thread Dia, mm Length, mm R38 55 170