Hydraulic Oil Coolers – used to cool the hydraulic fluid during operation for improved system performance.

Hydraulic Oil Coolers ensure reliable temperature control in hydraulic systems and prevent the hydraulic oil from overheating. In the Hydromot online shop you will find a wide range of air-oil coolers with electric fan motors in 12 V, 24 V, and 220 V, ideal for mobile, stationary, and industrial applications. Learn more...

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Hydraulic oil cooler, Air oil cooler, 12 Volt, Type 4010
Hydraulic oil cooler, Air oil cooler, 12 Volt, Type 4010
  • Cooling capacity 937 kcal/h at ∆T=20°C, 1387 kcal/h at ∆T=30°C
  • Max. oil flow 35 l/min
  • Max. working pressure: 24 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1/2" BSP
  • Elektrical fan drive with 12 Volt
363,69 EUR
310,85 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
310,85 EUR excl. 17% tax
Hydraulic oil cooler, Air oil cooler, 12 Volt, Type 4020
Hydraulic oil cooler, Air oil cooler, 12 Volt, Type 4020
  • Cooling capacity 3000 kcal/h at ∆T=20°C, 4500 kcal/h at ∆T=30°C
  • Max. oil flow 100 l/min
  • Max. working pressure: 24 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1" BSP
  • Elektrical fan drive with 12 Volt
  • Delivery with adjustable thermostat (Type IMIT TC2)
515,35 EUR
440,47 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
440,47 EUR excl. 17% tax
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4020
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4020
  • Cooling capacity 3000 kcal/h at ∆T=20°C, 4500 kcal/h at ∆T=30°C
  • Max. oil flow 100 l/min
  • Max. working pressure: 24 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1" BSP
  • Elektrical fan drive with 24 Volt
  • Delivery with adjustable thermostat (Type IMIT TC2)
490,81 EUR
419,50 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
419,50 EUR excl. 17% tax
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4024
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4024
  • Cooling capacity 5650 kcal/h at ∆T=20°C, 8450 kcal/h at ∆T=30°C
  • Max. oil flow 120 l/min
  • Max. working pressure: 24 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1" BSP
  • Elektrical fan drive with 24 Volt
  • Delivery with adjustable thermostat (Type IMIT TC2)
642,64 EUR
549,26 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
549,26 EUR excl. 17% tax
Hydraulic cooler, Air oil cooler, 220 Volt, Type 4024
Hydraulic cooler, Air oil cooler, 220 Volt, Type 4024
  • Cooling capacity 5650 kcal/h at ∆T=20°C, 8450 kcal/h at ∆T=30°C
  • Max. oil flow 120 l/min
  • Max. working pressure: 220 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1" BSP
  • Elektrical fan drive with 24 Volt
  • Delivery with adjustable thermostat (Type IMIT TC2)
713,27 EUR
609,63 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
609,63 EUR excl. 17% tax
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4015
Hydraulic oil cooler, Air oil cooler, 24 Volt, Type 4015
  • Cooling capacity 2325 kcal/h at ∆T=20°C, 4050 kcal/h at ∆T=30°C
  • Max. oil flow 80 l/min
  • Max. working pressure: 24 bar, testing pressure 36 bar
  • Max. working temperature: 120 °C
  • Connection ports: 1" BSP
  • Elektrical fan drive with 24 Volt
  • Delivery with adjustable thermostat (Type IMIT TC2)
473,16 EUR
404,41 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
404,41 EUR excl. 17% tax
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Our range covers cooling capacities from 937 kcal/h to 8450 kcal/h and is designed for flow rates up to 120 l/min. All models are suitable for pressures up to 24 bar and temperatures up to 120 °C, and feature standardized connections such as 1/2" BSP or 1" BSP. Some models are also equipped with a thermostat for automatic temperature control. With high-quality hydraulic oil coolers from Hydromot, you ensure efficiency, durability, and optimum performance of your hydraulic systems.

 

Hydraulic Oil Coolers – Frequently Asked Questions

1. What is a hydraulic oil cooler and why is it important?

A hydraulic oil cooler regulates the oil temperature in the hydraulic system. It dissipates the friction and compression heat generated during operation and maintains the optimum operating temperature. This prevents overheating, preserves efficiency and performance, reduces wear and oil degradation, and extends the service life of all system components.

2. How do hydraulic oil coolers work and what are the main types?

Hydraulic oil coolers use heat transfer to cool the oil. Main types:

  • Air-oil coolers: Hot oil flows through tubes/fins; ambient air (often fan-assisted) absorbs and dissipates the heat.
  • Water-oil coolers: Oil flows through tubes surrounded by counterflow cooling water – very efficient heat transfer.

Both types stabilize the oil temperature and ensure reliable operation.

3. What materials are hydraulic oil coolers typically made of and which quality standards must they meet?

  • Housing/elements: Corrosion-resistant metals such as aluminum or steel.
  • Heat exchanger parts: Often copper, stainless steel, or brass for high heat transfer efficiency.
  • Quality/regulations: Manufactured in accordance with high safety and quality standards (e.g., Directive 2014/68/EU) for durability and operational safety.

4. What sizes and designs of hydraulic oil coolers are available?

Depending on the application, the range extends from compact units of approx. 8 kW to industrial systems with several hundred kW of cooling capacity. Common designs:

  • Shell-and-tube heat exchangers
  • Plate heat exchangers
  • Compact air-oil coolers with integrated fan

The design (size/capacity) is selected to match flow rate, pressure range, and operating conditions.

5. In which applications are hydraulic oil coolers used?

  • Construction machinery and commercial vehicles
  • Industrial plants and test benches
  • Hydraulic drive compressors, vacuum pumps, blowers
  • Walking floor systems
  • Special versions for ATEX areas or marine use (high corrosion resistance)

6. What advantages do hydraulic oil coolers offer for hydraulic systems?

  • Performance & service life: Prevent overheating, increase efficiency, and protect components.
  • Compact: Space and weight savings, especially for mobile applications.
  • Cost reduction: Less oil degradation and wear → reduced maintenance costs.
  • Retrofit & service-friendly: Modular, durable designs simplify installation and maintenance.

7. What should be considered when maintaining hydraulic oil coolers?

To maintain cooling performance: clean regularly (especially fin surfaces in air-oil coolers), check seals and connections, and service the fan if necessary. Powder-coated housings provide additional corrosion protection. With proper use and maintenance, a service life of several years is typical.

8. Which criteria are decisive for selecting the right hydraulic oil cooler?

  • Cooling capacity: Required heat dissipation of the system
  • Flow rate: Maximum oil flow
  • Temperatures: Oil and ambient temperature
  • Pressure drops: Permissible pressure losses in the system
  • Environment: Installation space, availability of cooling medium (air/water), corrosion protection, ATEX requirements
  • Design choice: Air-oil or water-oil cooler depending on operating conditions

For proper selection, manufacturers often provide calculation tools and engineering support.