- Proven and improved MSK-3 technology
- Jacks from different manufacturers can be used (Koller, Stuefer, Wyssen)
- Engine slack puller for uphill and downhill operations
- Slack pulling force up to 620kg (1366 lbs)
- 2 spooling speeds (approx. 0.8 and 1.2 m/s; approx. 2,62 ft/s and 3,93 ft/s)
- Powered by 5.5 kW (7.5 hp) diesel engine
- Radio-controlled skyline- and mainline clamp
- Emergency clamping by radio and cable break protection
- Drive with 4 pulleys
- Unlimited spooling length
- Engine start-stop via radio
- Laterally swiveling skyline clamp
- Strong derailing protection
- Clutch system with brake function