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ITW GSE/Hobart 287780 Radiator

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The ITW GSE/Hobart 287780 Radiator is a high-quality replacement radiator designed for specific models of Hobart ground power units. Engineered to support proper engine cooling, this radiator plays a critical role in maintaining optimal operating temperatures for diesel-powered GPUs used in aircraft ground support applications.

The radiator's durable construction and precise fit help ensure reliable performance, extended equipment life, and reduced downtime. Ideal for maintenance and overhaul operations, the 287780 radiator is a direct replacement solution that supports efficient heat dissipation and dependable GPU operation in demanding environments. 

General Information
Part #287780
ManufacturerITW GSE/Hobart
Shipping Information
Product Weight242 lbs.
Product Dimensions47 x 42 x 22 in.
Freight NMFC128130
Schedule B8504900080
ECCNEAR99

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AIRCRAFT COMPATIBILITY

Compatible Aircraft*
*This list is for general reference only and may not be entirely accurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.

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QUESTIONS & ANSWERS

Question:
What is the ITW GSE/Hobart 287780 radiator used for?
Answer:

The ITW GSE/Hobart 287780 radiator is used to cool the engine in Hobart ground power units (GPUs), specifically the 90CU24 series. It helps regulate engine temperature by dissipating heat generated during operation. This ensures consistent performance and prevents overheating in demanding ground support environments. Proper cooling is essential for maintaining reliable GPU output.

Asked March 24, 2026
Question:
Which equipment is the 287780 radiator compatible with?
Answer:

This radiator is designed as a direct replacement for Hobart Model 90CU24 Generator Sets Series 500392A. These GPUs are commonly used to supply 400 Hz electrical power to parked aircraft. Compatibility should always be confirmed with equipment manuals or part references before installation. Using the correct radiator ensures proper fit and performance.

Asked March 24, 2026
Question:
Why is a radiator important in a ground power unit?
Answer:

A radiator is essential for maintaining safe engine operating temperatures by transferring heat away from the coolant system. In diesel-powered GPUs, excessive heat can reduce efficiency and lead to component failure. The radiator supports continuous operation by preventing overheating during extended use. This is especially important in high-demand airport environments.

Asked March 24, 2026
Question:
Is the ITW GSE/Hobart 287780 an OEM replacement part?
Answer:

Yes, the 287780 radiator is an OEM-compatible replacement part manufactured for ITW GSE/Hobart equipment. OEM parts are designed to meet original specifications for fit, form, and function. This ensures reliable integration with existing systems. Using OEM or equivalent parts helps maintain equipment integrity and performance.

Asked March 24, 2026
Question:
What are the key benefits of replacing a worn radiator?
Answer:

Replacing a worn or damaged radiator restores proper cooling efficiency and prevents overheating issues. It can improve overall engine performance and extend the life of the GPU. Timely replacement also reduces the risk of unexpected downtime. This is critical for maintaining operational readiness in aviation environments.

Asked March 24, 2026
Question:
How does the radiator contribute to GPU reliability?
Answer:

The radiator helps maintain stable engine temperatures, which is essential for consistent power generation. By preventing overheating, it protects critical engine components from damage. This contributes to longer service intervals and fewer maintenance issues. Reliable cooling directly impacts the dependability of the entire GPU system.

Asked March 24, 2026
Question:
When should a radiator be replaced on a Hobart GPU?
Answer:

A radiator should be replaced if there are signs of leaks, corrosion, clogging, or reduced cooling performance. Overheating issues or frequent coolant loss may also indicate the need for replacement. Regular inspections during maintenance cycles can help identify problems early. Replacing the radiator proactively helps avoid costly repairs.

Asked March 24, 2026
Question:
Is professional installation recommended for this radiator?
Answer:

Yes, professional installation is recommended due to the size, weight, and integration with the engine cooling system. Proper installation ensures correct alignment, secure connections, and optimal performance. Technicians can also inspect related components such as hoses and coolant systems. This helps ensure the entire cooling system operates efficiently.

Asked March 24, 2026
Question:
How does this radiator support aircraft ground operations?
Answer:

By maintaining proper engine temperature, the radiator ensures the GPU can deliver consistent electrical power to the aircraft. This supports essential ground operations, including avionics testing, cabin conditioning, and maintenance. Reliable GPU performance is critical for minimizing delays and maintaining operational efficiency. A properly functioning radiator plays a key role in achieving this.

Asked March 24, 2026