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MX240 CT X-Ray Tube Cost & Life Expectancy

Sep 18, 2020 | Articles, CT, GE

MX240 CT X-Ray Tube Cost & Life Expectancy

The MX 240 x-ray tube is the preferred tube for the GE systems from the Lightspeed Pro, VCT, RT, and Xtra series, as well as parts of the Discovery series. X-ray tubes are the part within these systems that generate the x-rays used in medical imaging processes. Even with proper use and care, x-ray tubes require replacement after some time, and you have several options for replacing your MX240 when the time comes. 

When to Replace Your X-ray Tube

X-ray tubes use anodes and cathodes to stimulate electrons and produce x-rays. As a result of this energy transfer, they also produce heat as a byproduct, which, over time, adds to the deterioration of your CT scanner’s x-ray tube. There are several other ways to know when your tube might need replacement.

The x-ray mechanism consists of several different parts, including the tube, the rotors associated with the tube, the tube housing, and other components. As the anode breaks down over time, you might notice a buildup of tungsten inside the tube window, which is made of beryllium. This is one indication that your x-ray tube is nearing the end of its lifespan.

Other indications might be oil accumulation (anywhere that it shouldn’t be, especially if you notice oil outside of the tube,) cracks in the housing or any structural damage, or a noisy rotor. Any other operational malfunctions or variations from normal operating behavior could also mean it’s time to seek a replacement part. 

Should You Buy A New Or Used MX240CT X-Ray Tube?

When it’s time to replace your x-ray tube, options are available to you. Purchasing a used part can save you tens of thousands of dollars, but the lifespan of the product will likely be reduced. A used MX240 x-ray tube currently costs between $30,000 and $55,000 on average. A new part costs significantly more, at up to $135,000.

You have a few options when it comes to purchasing an MX240, if you need help deciding which one you should choose feel free to give us a call at +1-855-463-3727

GE MX240 Tube Part # D3199T

Dunlee Version MX240 Tube Part # Reevo 240G

Maxiray MX240 Part # D3199T


The lifespan of a new MX240 x-ray tube is about an average of 110-145 million mAs in a medium-volume imaging facility. In layman’s terms, this is somewhere between 12,000 to 19,000 patient scans. 

Purchasing a used x-ray tube might drastically reduce the number of expected scans. With proper maintenance, facilities can potentially prolong the life expectancy of the MX240 tube. This includes using proper operating techniques, like warming up the machine before use when it’s been idle for more than two hours, as well as ensuring only trained professionals used CT scan machines, in accordance with the manufacturer’s manual for the CT machine. Ultimately, like any piece of mechanics, there is a lot of variation in x-ray tube lifespan, and some will last longer than expected, while others don’t, regardless. Proper maintenance is the best way to get the most out of your investment. 

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