Crane
Cooling Systems
Mobile, crawler, and tower cranes. Thermal management for slew systems, winch operations, and variable duty lifting applications.
Lifting Equipment Cooling
Cranes present unique thermal challenges with continuous slewing, intermittent lifting loads, and often multi-engine configurations. Cooling systems must handle variable duty cycles and outdoor exposure.
Engine Coolant
Carrier and/or superstructure engine cooling.
Slew Motor Cooling
Upper structure rotation generates continuous hydraulic heat.
Winch Hydraulic
Main hoist and auxiliary winch circuits.
Boom Hydraulic
Boom raise, telescope, and luffing systems.
Remote Cooling Options
- Separate cooler placement for space optimization
- Hydraulic line sizing support
- Fan motor and control integration
- Weather-protected enclosure options
Crane-Specific Constraints
Slew System Heat
Continuous upper structure rotation generates significant hydraulic heat from motors and gearing.
Winch Duty
Lifting operations create intermittent high-power demands. Cooling must handle peak loads.
Variable Duty Cycle
Operations range from light picks to maximum capacity lifts requiring broad thermal margin.
Outdoor Exposure
Cranes operate in all weather conditions requiring corrosion protection and wide temperature range.
Remote Mounting
Space constraints often require remote-mounted coolers connected via hydraulic lines.
Multi-Engine Systems
Large mobile cranes have separate carrier and superstructure engines requiring coordinated cooling.
Crane Types
| Type | Characteristics | Typical Circuits | Heat Rejection |
|---|---|---|---|
| Mobile Crane (Truck) | Road-mobile lifting with carrier and superstructure | Carrier EngineSuperstructure EngineHydraulicSlew/Winch | 80–200 kW |
| All-Terrain Crane | Off-road capable with multi-axle carrier | Dual EngineHydraulicSlew | 100–250 kW |
| Crawler Crane | Track-mounted for heavy lifts and rough terrain | CoolantCACHydraulicWinch | 100–300 kW |
| Tower Crane | Fixed installation with remote power unit | Motor CoolingHydraulicSlew | 40–80 kW |
| Rough Terrain Crane | Single-engine design for off-road jobsites | CoolantCACHydraulic | 60–120 kW |
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