Installed in November 2015, this 50/10 ton Class D “Heavy Duty” crane was designed for operation in a stone quarry located in Northern Minnesota, specifically to service a large continuously operating stone crusher.
The crane specifications included:
- Equipped with a 50 Ton built-up hoist
- 80’ of available lift
- Operational temperature range of -40°F to +120°F
- Heaters in motors, gearboxes and electrical panels
- Maximum operating wind speed of 44 mph
- Wind speed indicator with warning siren
- Continuously monitored load limiting device