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AKG

AKG is a German manufacturer of thermal management solutions, specializing in oil cooling systems for mobile and stationary hydraulic applications. The company's product line centers on forced-air oil coolers driven by DC or AC motors, designed to dissipate heat from hydraulic circuits, lubrication systems, and power transmission units. AKG coolers are engineered for continuous duty in demanding environments, with construction that emphasizes durability and thermal efficiency. Key specifications across the range include maximum operating pressures up to 377 psi, flow rates from 50 to 80 gpm, and heat removal capacities spanning 20 to 70 hp. The units feature SAE port configurations (typically #16 or #20) and are rated IP 68 for ingress protection, ensuring resistance to dust and immersion in water. Voltage options include 12V DC and 24V DC, making them suitable for mobile equipment such as construction machinery, agricultural vehicles, and off-highway trucks. AKG's design approach uses aluminum core construction with brazed joints for high heat transfer and corrosion resistance. The coolers are compact, with integrated DC motors and axial fans that provide directed airflow without requiring external hydraulic or electric power sources. 3G Electric supplies AKG forced-air oil coolers globally, offering models that cover a range of thermal loads and mounting configurations. The product selection includes both standard and compact series, with variations in fan diameter, motor voltage, and port orientation. Each unit is factory-tested for leak integrity and thermal performance. For procurement specialists and maintenance engineers, AKG coolers provide a drop-in solution for retrofitting or new installations where reliable oil temperature control is critical. 3G Electric supports these products with technical specification sheets, dimensional drawings, and global logistics to ensure availability across regions. The absence of complex plumbing or external pumps simplifies installation and reduces maintenance points. AKG's focus on forced-air cooling aligns with applications where water or coolant loops are impractical, such as in remote or mobile settings. The IP 68 rating allows operation in wet or dusty conditions without enclosure modifications. For engineers specifying cooling capacity, the heat removal ratings are based on standard test conditions (typically 180°F oil inlet, 100°F ambient air), and derating factors should be applied for higher ambient temperatures or altitude. 3G Electric's inventory includes models with both standard and high-flow bypass options, enabling customization for specific system pressure and flow requirements.

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About AKG

AKG is a German manufacturer of thermal management solutions, specializing in oil cooling systems for mobile and stationary hydraulic applications. The company's product line centers on forced-air oil coolers driven by DC or AC motors, designed to dissipate heat from hydraulic circuits, lubrication systems, and power transmission units. AKG coolers are engineered for continuous duty in demanding environments, with construction that emphasizes durability and thermal efficiency. Key specifications across the range include maximum operating pressures up to 377 psi, flow rates from 50 to 80 gpm, and heat removal capacities spanning 20 to 70 hp. The units feature SAE port configurations (typically #16 or #20) and are rated IP 68 for ingress protection, ensuring resistance to dust and immersion in water. Voltage options include 12V DC and 24V DC, making them suitable for mobile equipment such as construction machinery, agricultural vehicles, and off-highway trucks. AKG's design approach uses aluminum core construction with brazed joints for high heat transfer and corrosion resistance. The coolers are compact, with integrated DC motors and axial fans that provide directed airflow without requiring external hydraulic or electric power sources. 3G Electric supplies AKG forced-air oil coolers globally, offering models that cover a range of thermal loads and mounting configurations. The product selection includes both standard and compact series, with variations in fan diameter, motor voltage, and port orientation. Each unit is factory-tested for leak integrity and thermal performance. For procurement specialists and maintenance engineers, AKG coolers provide a drop-in solution for retrofitting or new installations where reliable oil temperature control is critical. 3G Electric supports these products with technical specification sheets, dimensional drawings, and global logistics to ensure availability across regions. The absence of complex plumbing or external pumps simplifies installation and reduces maintenance points. AKG's focus on forced-air cooling aligns with applications where water or coolant loops are impractical, such as in remote or mobile settings. The IP 68 rating allows operation in wet or dusty conditions without enclosure modifications. For engineers specifying cooling capacity, the heat removal ratings are based on standard test conditions (typically 180°F oil inlet, 100°F ambient air), and derating factors should be applied for higher ambient temperatures or altitude. 3G Electric's inventory includes models with both standard and high-flow bypass options, enabling customization for specific system pressure and flow requirements.

Common Applications

  • Mobile hydraulic systems — AKG D-series DC motor-driven coolers for excavators and loaders
  • Agricultural machinery — AKG forced-air oil coolers for tractor transmission and hydraulic circuits
  • Off-highway trucks — AKG 24V DC coolers for brake and steering system oil temperature control
  • Industrial power units — AKG AC motor-driven coolers for stationary hydraulic power packs
  • Marine deck equipment — AKG IP 68 rated coolers for winch and crane hydraulic systems
  • Mining vehicles — AKG high-pressure coolers for underground loader and drill hydraulics

Frequently asked questions

Common questions about AKG from 3G Electric.

What is the IP rating of AKG forced-air oil coolers, and what does it mean for field use?

AKG forced-air oil coolers are rated IP 68, meaning they are dust-tight and can withstand continuous immersion in water beyond 1 meter depth. This rating ensures the motor and electrical components are sealed against ingress of particulates and moisture, making the coolers suitable for outdoor, washdown, or submerged environments common in construction, mining, and agricultural equipment. The IP 68 rating eliminates the need for additional enclosures or protective covers in most applications.

What voltage options are available for AKG DC motor-driven oil coolers?

AKG offers DC motor-driven forced-air oil coolers in 12V DC and 24V DC configurations. The 12V models are typical for light-duty mobile equipment and vehicles with standard electrical systems, while 24V versions are used in heavy machinery, trucks, and industrial vehicles that operate on higher voltage networks. Both voltage options maintain the same IP 68 protection and pressure ratings, allowing selection based on the vehicle or system's electrical architecture.

What is the maximum operating pressure for AKG oil coolers?

AKG forced-air oil coolers have a maximum operating pressure of 377 psi for most models, with some compact series rated at 250 psi. These pressure ratings apply to the oil-side circuit and are based on the brazed aluminum core construction. The coolers are designed to handle typical hydraulic system pressures without failure, but engineers should verify that system pressure does not exceed the cooler's rating, including transient spikes.

What SAE port sizes are used on AKG oil coolers?

AKG oil coolers are available with SAE #16 and SAE #20 port configurations. SAE #16 ports are used on lower-flow models (up to 50 gpm), while SAE #20 ports are standard on higher-flow units (up to 80 gpm). These straight-thread O-ring ports provide leak-resistant connections compatible with common hydraulic fittings. Port orientation varies by model, and dimensional drawings are available from 3G Electric to confirm fitment.

How is the heat removal capacity of AKG coolers specified?

AKG specifies heat removal capacity in horsepower (hp) under standard test conditions: oil inlet temperature of 180°F, ambient air temperature of 100°F, and rated oil flow. For example, the D36-12-BP60 removes 36 hp at 80 gpm. Actual performance varies with oil viscosity, flow rate, ambient temperature, and altitude. Engineers should apply derating factors for conditions outside the standard test parameters. 3G Electric can provide performance curves for specific models.

Does 3G Electric supply AKG products?

Yes — 3G Electric (S) Pte. Ltd. supplies AKG products. We stock the AKG catalog and supply genuine factory-original products with full manufacturer warranty and technical support.