Hardrock ST550 truck mounted service rig is heavy repair type work-over equipment, which is best option for deep oil/gas industry well.
ST550 service rig is designed to load 1350KN maximum and rated load as 1000KN with 35m mast length. It can be used for movable work-over platform in oil/gas field.
Cat C15 engine and 10X8 chassis is standard configuration for ST550 work-over rig.
It is embedded with advanced electronic control system to release people from heavy work and all the operation can be done in the cabin via computer.
| Main Spec.|| Value|
| Model|| ST550|
| Nominal minor repair depth (27/8″EUE tubing)|| m|| 7000|
| Nominal heavy repair depth (27/8″ Drill Pipe)|| m|| 5800|
| Max. hook load|| Kn|| 1350|
| Rated hook load|| Kn|| 1000|
| Engine model|| C15|
| Engine power|| HP|| 540|
| Hydraulic transmission case model|| Customized|
| Transmission type of hydraulic workover rig|| Hydraulic + Mechanical|
| Qty. of traveling system ropes|| 5 x 4|
| Mast|| m|| 34/35|
| Main rope diameter|| mm|| 29|
| Single line pull force|| T|
| Hook speed|| m/s|| 1.4|
| Approach / departure angle|| 26°/18°|
| Sand Winch Rope|| mm|| Customized|
| Single line pull force|| T|| Customized|
| Min. ground clearance|| mm|| 311|
| Max. Gradeability of truck mounted workover unit|| 0.26|
| Min. turning diameter|| m|| 33|
| Hook block model|| YG150|
| Swivel model|| TC100|
| Overall dimension|| m|| 18.5 × 2.8 × 4.2|
| Chassis drive form|| 10 x 8|
| Main unit mass|| kg|| 50800|