Hydraulic Conditioning Units

HCU Series for Vacuum Truck Applications

The AKG Cool-Line HCU Series is engineered for hydraulic systems in vacuum trucks, delivering high-performance offline cooling in rugged and demanding conditions. As a global leader in aluminum cooling systems, AKG provides German-engineered reliability with patented hydronucleation technology for de-aeration. This compact unit is optimized for vacuum truck applications, ensuring fluid integrity and system efficiency at competitive pricing through our exclusive distribution network.

The HCU Series features a DC or hydraulic-motor-driven fan, non-louvered low-fouling fins, and durable construction for optimal heat rejection in vacuum truck operations. With heat rejection up to 18 HP at 80°F ETD, it minimizes noise and vibration while handling high-demand tasks.

Designed for flexibility and easy installation, the HCU Series includes optimized plumbing to reduce leak points, dual internal bypasses, and vibration testing to military standards (MIL-STD 810). Constructed with stainless steel and aluminum with premium coating, it includes a sight level glass and a 10-micron filter (200-micron option available) to maintain fluid cleanliness critical for vacuum truck performance.

In vacuum truck applications, maintaining hydraulic performance is essential for efficient operation. The HCU Series delivers advanced cooling to ensure reliability and durability in harsh conditions.

Offline Cooling: Independent cooling for high-heat vacuum truck systems.

De-Aeration: Patented technology removes air from hydraulic fluid, preventing cavitation and oxidation.

Noise Reduction: 3M adhered foam reduces operational noise in vacuum truck environments.

Energy Efficiency: Efficient fan drives and heat rejection optimize power usage.

Filtration: Integrated filter with bypass ensures clean fluid circulation.

Rugged Design: Field-tested for vacuum truck equipment in demanding conditions.

HCU Series Hydraulic Conditioning Unit for Vacuum Trucks
12v Motor:
Cooling and De-Aeration for Vacuum Trucks
  • 40,000-hour motor life
  • IP69 rated
  • 35 GPM
Brushless Fan Drive for Vacuum Trucks
24v Motor:
Cooling and De-Aeration for Vacuum Trucks
  • 40,000-hour motor life
  • IP69 rated
  • 35 GPM
Brushless Fan Drive for Vacuum Trucks
Hydraulic Driven Fan:
Cooling and De-Aeration for Vacuum Trucks
  • 40,000-hour motor life
  • IP69 rated
  • 35 GPM
Brushless Fan Drive for Vacuum Trucks

HCU Series units provide offline cooling and filtration for hydraulic systems in vacuum trucks, removing heat and contaminants to prevent system failures. The patented de-aeration technology eliminates air bubbles, ensuring smooth operation in demanding vacuum truck environments.

Fan drive types for vacuum truck applications in the HCU Series include:

  • Brushless 12/24 VDC: Long-life, IP69-rated for harsh vacuum truck environments.
  • Hydraulic: High-pressure capability up to 3,000 psi.
  • Brushed 12/24 VDC: Cost-effective with IP68 rating.

Stainless steel and aluminum with premium coatings ensure durability and corrosion resistance in vacuum truck environments. The tank is low carbon steel, and mounting brackets are high steel low alloy, providing robustness for mobile vacuum truck equipment.

Dual internal bypasses (system at 28 psi, filter at 25 psi), optimized plumbing to reduce leak points, and vibration testing to MIL-STD 810 ensure reliability in vacuum truck operations, minimizing downtime in critical tasks.

Patented hydronucleation technology in the reservoir removes entrained air, preventing fluid degradation and enhancing performance in vacuum truck hydraulic systems.

Efficient heat rejection up to 18 HP at 80°F ETD, optional fan speed controls, and compact design reduce energy consumption while maintaining cooling performance in vacuum truck systems.

Key safety features for vacuum truck applications include:

  • Pressure Relief: Integrated relief valve.
  • Bypasses: Dual bypasses for system and filter protection.
  • Vibration Resistance: Tested to MIL-STD 810.
  • High Pressure Rating: Up to 3,000 psi.
  • Temperature Monitoring: Optional sensors and switches.

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