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HM Series - Hydraulic Motor Driven Air Cooled Oil Coolers

Hydraulic Motor Driven Fan Series – self powered air cooled oil coolers
High-performance oil cooling for mobile and heavy-duty hydraulic equipment

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HM Series: Remote & Harsh Environment Oil Cooler

Coolace Hydraulic motor driven fan series oil coolers are designed for machines operating in remote and harsh environments where electrical power is limited or unavailable. The cooling fan is powered directly by a hydraulic motor, delivering continuous airflow and superior heat dissipation even in high load conditions.

These coolers ensure stable oil temp, extended component life and reduced machine downtime

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Key Features

Why Choose Hydraulic Motor Driven Oil Coolers?

Minimise Heating Losses

Easy to Maintain

Durable solution in harsh working conditions

Compact and robust design

Suitable for continuous duty cycle

Reduced unplanned downtime

Independent cooling without electrical power

Our Clients

Trusted by Industry Leaders

We are proud to support leading OEMs and industrial companies with reliable oil cooling solutions that enhance equipment performance, efficiency, and operational reliability.

HM Series - Technical Specifications

The following technical specifications provide key performance details of our hydraulic motor driven air cooled oil coolers, including oil flow capacity, cooling performance, pressure ratings, and installation parameters.

HM SERIES

Model	Thread BSPT	Oil Flow (L/min)	Working Pressure (BAR)	Capacity (Kcal/Hr) ΔT=30°C	Dimension (L × H × W) mm
AH-1012-HM	1"	20–100	20	5100	421 × 316 × 162
AH-1215-HM	1"	20–100	20	7400	520 × 368 × 210
AH-1418-HM	1"	30–100	20	10100	570 × 422 × 210
AH-1428-HM	1 1/4"	30–200	20	11400	575 × 410 × 280
AH-1490-HM	1 1/2"	30–250	20	19000	490 × 620 × 300
AH-1680-HM	1 1/2"	30–250	20	21350	490 × 620 × 300
AH-1890-HM	2"	30–300	20	28000	610 × 784 × 400
AH-2432-HM	2"	30–300	20	43000	888 × 942 × 640
AH-2583-HM	2 1/2"	30–350	20	67000	850 × 1160 × 620
AH-3044-HM	2"	25–400	20	90000	1230 × 1420 × 950
AH-3650-HM	2"	30–400	20	80000	1200 × 1250 × 950
AH-3655-HM	2"	30–400	20	105000	1200 × 1250 × 950

Typical Applications

Designed for mobile and heavy-duty equipment, our hydraulic motor driven oil coolers ensure reliable cooling in demanding hydraulic applications.

Drilling Rigs

Ensures reliable cooling for high-load drilling operations.

Concrete Pavers

Maintains hydraulic cooling for smooth paving performance.

Mining Equipment

Robust cooling for extreme heavy-duty mining conditions.

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Need Selection / Sizing & Assistance?

Our technical experts are ready to help you select the right oil cooler for your specific application. Get personalized recommendations based on your flow rates, operating temperatures and installation requirements.

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Why Choose ACE Oil Coolers

Trusted by industries worldwide for reliable, high-performance cooling solutions

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33+ Years of Engineering Excellence

Decades of expertise in designing and manufacturing premium oil cooling solutions.

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High-Efficiency Cooling Solutions

Advanced technology ensuring maximum heat dissipation with minimal energy consumption.

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Heavy-Duty Performance & Durability

Built to withstand the most demanding industrial environments and operating conditions.

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Expert Support & Consultation

Dedicated technical team ready to assist with selection, installation, and maintenance.

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ISO-Certified Manufacturing

Quality management systems ensuring consistent, reliable products every time.

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Frequently Asked Questions

(Find answers to common questions about hydraulic motor driven air cooled oil coolers, including their working principle, applications, advantages, and selection guidelines for mobile hydraulic equipment.)

What is a hydraulic motor driven air cooled oil cooler?

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A hydraulic motor driven air cooled oil cooler is a heat exchange device that uses a hydraulic motor to drive the cooling fan instead of an electric motor. The hydraulic motor rotates the fan to force ambient air across the cooling core, dissipating heat from hydraulic or lubrication oil. These oil coolers are widely used in mobile equipment where electrical power is limited or unavailable.

Where are hydraulic motor driven oil coolers commonly used?

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Hydraulic motor driven air cooled oil coolers are commonly used in mobile hydraulic equipment and heavy-duty machinery. Typical applications include excavators, construction equipment, mining machines, agricultural machinery, concrete pumps, cranes, and hydraulic power packs operating in remote or outdoor environments.

What are the advantages of hydraulic motor driven air cooled oil coolers?

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Hydraulic motor driven oil coolers offer several advantages such as independent cooling, reliable performance in mobile equipment, flexible installation, and efficient heat dissipation. Since the fan is powered by the hydraulic system, these coolers are ideal for machines where electric power is not available or where variable fan speed is required.

How does a hydraulic motor driven oil cooler work?

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In a hydraulic motor driven oil cooler, hot oil flows through a finned cooling core. A hydraulic motor rotates the fan blades, forcing air across the cooling fins. This airflow removes heat from the oil and lowers its temperature before it returns to the hydraulic or lubrication system, ensuring stable system performance.

Why is oil cooling important in mobile hydraulic systems?

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Hydraulic systems generate heat due to pressure losses, friction, and continuous operation. Excessive oil temperature can reduce lubrication efficiency, damage hydraulic components, and shorten oil life. Installing a hydraulic motor driven air cooled oil cooler helps maintain optimal oil temperature and improves the reliability of mobile hydraulic equipment.

How do you select the right hydraulic motor driven oil cooler?

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Selecting the correct oil cooler depends on factors such as oil flow rate, heat load, hydraulic motor flow requirement, ambient temperature, and installation space. Proper cooler selection ensures effective heat dissipation and long-term hydraulic system reliability.

What maintenance is required for hydraulic motor driven oil coolers?

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Regular maintenance involves cleaning the cooling fins, inspecting the hydraulic motor, checking fan operation, and ensuring proper oil connections. Keeping the cooling core free from dust and debris helps maintain airflow and cooling efficiency.

Can hydraulic motor driven oil coolers operate in harsh environments?

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Yes, hydraulic motor driven air cooled oil coolers are designed for rugged industrial and mobile environments such as construction sites, mining operations, agriculture fields, and heavy industrial machinery where reliable cooling is required under demanding conditions.

Our Clients

Trusted by Industry Leaders

We are proud to support leading OEMs and industrial companies with reliable oil cooling solutions that enhance equipment performance, efficiency, and operational reliability.