HD900 DRILLING RIG - TRACK MOUNTED

PERFORMANCE SPECIFICATIONS
Depth Capacity Coring Chuck Assembly
(wireline or conventional) Type: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . hydraulic open, spring
B wireline:. . . . . . . . . . . . . . . . . . . . . . . . . . . 1540 m (5052 ft) .................................... closed
N wireline: . . . . . . . . . . . . . . . . . . . . . . . . . . 1200 m (4042 ft) Maximum inside diameter: . . . . . . . . . . . 117 mm (4 5/8 in)
H wireline: . . . . . . . . . . . . . . . . . . . . . . . . . . 800 m (2695 ft) Holding capacity:. . . . . . . . . . . . . . . . . . . . 18143 kg (40,000 lb)
P wireline:. . . . . . . . . . . . . . . . . . . . . . . . . . . 475 m (1558 ft)
Depths are based on vertical hole Weight
Base drill: . . . . . . . . . . . . . . . . . . . . . . . . . . . 9000 kg (19,800 lb)
Main Hoist
Single line capacity:. . . . . . . . . . . . . . . . . . 15,000 lb Dimensions (Length - Width - Height)
Line Speed at max volume:. . . . . . . . . . . Bare drum 104 ft/min
Max. Cable size:. . . . . . . . . . . . . . . . . . . . . . 68 m (228 ft) x 16 mm L . . . . . . . . . . . . . . . . . . . . . . 3875 mm . . . . (w/o spring guard)
.................................... (10/16 in) L . . . . . . . . . . . . . . . . . . . . . . 4103 mm . . . . (incl spring guard)
W. . . . . . . . . . . . . . . . . . . . . . 2240 mm
Wireline H. . . . . . . . . . . . . . . . . . . . . . 2585 mm
Capacity:. . . . . . . . . . . . . . . 1830 (6000 ft) of 4,76 mm (3/16) H. . . . . . . . . . . . . . . . . . . . . . 2698 mm . . . . (w/o spring guard -
....................... 975 m (3200 ft) of 6,35 mm (1/4 in) .................................... mast down)
Line pull:. . . . . . . . . . . . . . . bare drum: 11,9 kN (2665 lb) H. . . . . . . . . . . . . . . . . . . . . . 2698 mm . . . . (incl spring guard -
....................... full drum: 3,0 kN (668 lb) .................................... mast down)
Line speed:. . . . . . . . . . . . . bare drum: 114 m/min (374 ft/min) H. . . . . . . . . . . . . . . . . . . . . . 12310 mm. . . (mast up)
....................... full drum: 453 m/min (1486 ft/min)
Standard Equipment
Mast and Feed System - Hydraulic mast dump
Feed travel:. . . . . . . . . . . . . 3.5 m (11.5 ft) - Hydraulic mast raise
Feed speeds: . . . . . . . . . . . fast and slow with variable control - Mast in two sections
Thrust:. . . . . . . . . . . . . . . . . 9,100 kg - 4 levelling jacks
Pull:. . . . . . . . . . . . . . . . . . . 21,000 kg - Large crown sheave wheel
Drilling angle: . . . . . . . . . . 45 - 90 degrees - Fuel tank 200 l (53 gal)
Rod pull length: . . . . . . . . 6,09 m (20 ft) - Hydraulic oil reservoir fill pump & filtration

Power Unit Options

Manufacture:. . . . . . . . . . . Cummins - Hydraulic Foot Clamp c/w PQ, HQ slips
Model:. . . . . . . . . . . . . . . . . 6BTA, 5.9 liter 6 cylinder - BQ, NQ slips optional extra
Power:. . . . . . . . . . . . . . . . . 177 hp
RPM:. . . . . . . . . . . . . . . . . . . 2000 All weights and dimensions are approximations and are subject to
Engine type:. . . . . . . . . . . . Diesel turbo charged/after cooled change
Cooling:. . . . . . . . . . . . . . . . Water

Hydraulic System
Primary Pump:. . . . . . . . . . 173 l/min (3500 psi)
Secondary Pump:. . . . . . . 125 l/min (2466 psi)
Auxiliary Pump:. . . . . . . . . 47 l/min (1800 psi)
Hydraulic oil cooling:. . . . air

Drillhead and Spindle Speeds

Power:. . . . . . . . . . . . . . . . . hydraulic motor - variable speed/
reversible
Final drive: . . . . . . . . . . . . . 4 in chain driven in oil bath - 2,5
ratio
Spindle:. . . . . . . . . . . . . . . . 117 mm (4 5/8 in) (inner diameter)

Spindle speeds:

Ratio Speed, rpm Torque, Nm (ftlb)

1st 6,63:1 132-207 5113-3259 (3579-2396)
2nd 3,17:1 275-432 2445-1558 (1798-1146)
3rd 1,72:1 508-796 1326-846 (975-622)
4th 1,00:1 873-1369 771-492 (567-362)

Range selection:. . . . . . . . manual control from operator’s

station
Hinged head:. . . . . . . . . . . swing away

Alton Drilling Ltd