SUNWARD SWDM28 ROTARY DRILLING RIG
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| Drilling characteristics | |
| Max. drilling diameter with casing, mm | 1800 |
| Max. drilling diameter without casing, mm | 2500 |
| Max.drilling depth, mm | 86 (6 element) / 69 (5 element) |
| Dimensions and weight | |
| Overall dimensions in working condition, m | 10.3x4.5x24.27 |
| Overall dimensions in transportation condition, m | 17.7x3.0x3.38 |
| Min. working radius, mm | 4240 |
| Total weight, t | 78 |
| Engine | |
| Engine brand | Cummins |
| Engine model | QSM11-335 |
| Rated power, kW/rpm | 250 / 2100 |
| Max. torque, Nm/rpm | 1704 / 1400 |
| Hydraulic system | |
| Main pump max. working pressure, MPa | 28 |
| Auxiliary pump max. working pressure, MPa | 28 |
| Main pump max. oil flow rate, L/min | 520 |
| Auxiliary pump max. oil flow rate(l/min) | 140 |
| Rotary table | |
| Max. torque, kNm | 280 |
| Revolution, rpm | 6～28 |
| Max. spin-off rate, rpm | 130 (optional) |
| Crowd cylinder | |
| Max. crowd force push, kN | 210 |
| Max. crowd force pull, kN | 185 |
| Max. stroke, mm | 6000 |
| Main winch | |
| Max. line pull, kN | 250 |
| Max. line speed, m/min | 51 |
| Wire rope diameter, mm | 32 |
| Auxiliary winch | |
| Max. line pull, kN | 110 |
| Max. line speed, m/min | 55 |
| Wire rope diameter, mm | 24 |
| Mast inclination | |
| Left and right tilt, ° | ±4 |
| Forward tilt, ° | 5 |
| Backward tilt, ° | 90 |
| Swing platform | |
| Swing angle, ° | 360 |
| Swing speed, r/min | 3 |
| Undercarriage | |
| Max. travel speed, km/h | 1.75 |
| Max. gradeability, ° | 15 |
| Min. ground clearance inch, mm | 421 |
| Width of track shoes, mm | 900 |
| Overall length of crawler, mm | 4700 |
| Overall width of crawler, mm | 3000～4500 |
| Optional kelly bar | |
| Fiction kelly bar | D508-6x15.5 |
| Interlocking kelly bar | D508-5x15.5 |
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