Dozer
Cooling Systems
Track-type dozer thermal management. Engineered for extreme dust environments, low-speed operation, and continuous heavy pushing applications.
Dozer Thermal Circuits
Dozers demand robust cooling systems that can operate in the most challenging dust environments while sustaining performance through continuous heavy pushing cycles.
Engine Coolant
High-capacity radiator for sustained heavy load operation.
Torque Converter Oil
Critical for blade pushing operations. High heat rejection required.
Hydraulic Oil
Blade lift, tilt, and ripper hydraulic circuit cooling.
Charge Air
Emissions compliance for large diesel powerplants.
Dust Management Design
- Wide fin spacing (3-4 FPI typical)
- Easy-clean hinged or tilt-out designs
- Optional debris screens and guards
- Robust fin construction for pressure washing
Dozer-Specific Constraints
Extreme Dust Loading
Continuous blade work creates massive dust clouds. Wide fin spacing and frequent cleaning access are essential for sustained operation.
Low Airflow Velocity
Dozing operations occur at walking speed. Fan-only airflow must provide all cooling capacity with minimal ram air assistance.
Track Vibration
Heavy track frames transmit severe vibration. Cooling systems require reinforced headers and fatigue-rated mounting designs.
Torque Converter Heat
High blade loads generate substantial torque converter slip heat. Dedicated transmission oil cooling is critical.
Ripping Operations
Rear ripper work creates shock loads and additional hydraulic heat. Thermal systems must handle transient peaks.
Remote Operation
Mining and large construction sites have limited service access. Extended maintenance intervals are required.
Size Classes
| Size Class | Characteristics | Typical Circuits | Heat Rejection |
|---|---|---|---|
| Small (8–12T) | Compact grading operations, residential sites | CoolantHydraulic | 40–70 kW |
| Medium (15–25T) | General earthmoving, road construction | CoolantCACHydraulicTorque Converter | 80–140 kW |
| Large (30–50T) | Heavy ripping, mining support operations | Full multi-circuitTransmission | 150–250 kW |
| Mining (60–100T+) | Maximum push capacity, extreme duty | Multiple independent high-capacity circuits | 250–400+ kW |
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