HornBlasters Nathan Airchime K5LA Premium Train Horn Kit

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Sku : HK-K5-5485K

It doesn’t get much better than the Nathan AirChime K5LA. With our Nathan AirChime K5LA premium train horn kit, you get the loudest train horn on the market along with one of the most powerful onboard air systems! There is no substitute for the extremely loud and low rumble of an authentic Nathan Airchime K5LA train horn coupled with the insane performance of our 485C onboard air system. If you were looking for the best of the best, THIS IS IT!

Setting the standard for what every train horn tries to be, our Nathan Airchime K5LA train horns are the real deal. The Nathan Airchime K5LA train horns are the most common train horn seen on locomotives since the ’80s and the sound is undeniable. Massive in size and even more massive in tone, the Nathan AirChime K5LA train horn features five large die-cast aluminum bells with stainless steel diaphragms. Built to withstand years of use and abuse from the elements out on the track, you simply won’t find a more dependable train horn and the volume speaks for itself.

When bringing these massive locomotive horns from the rails to the street, you better have an onboard air system that can handle them. That’s why we paired the Nathan AirChime K5LA Train Horns with our 485C onboard air system. With 5-8 gallons of air and the most powerful Viair compressor available, the Nathan AirChime premium train horn kit will give you an earth-shaking 5-8 seconds of honk time. The powerful Viair 485C stealth black air compressor provides this kit with a 100% duty cycle all the way up to 200 PSI, giving you a system that can power your locomotive horns, run air tools, and power air suspension without breaking a sweat!

  • Railroad-use train horn!
  • Black powder coat finish
  • Heavy-duty 485C air compressor
  • Stainless steel liquid-filled air pressure gauge
  • Capable onboard air system
  • Loudness & tone of a locomotive at your fingertips!
  • Max honk time: 5-8 seconds


At HornBlasters we take pride in the world-class quality of our products and back that up with our top notch customer service and technical support. It is in that spirit that HornBlasters warrants to the original retail purchaser that HornBlasters products, when installed according to provided instructions and under normal use, are free from defects in material and craftsmanship for one year from the date of purchase unless otherwise stated or covered by a HornBlasters extended warranty. Click here for more information about HornBlasters extended warranties.

This limited one year warranty does not apply to products characterized by one or more of the following:

  • Products that have been subject to abuse, neglect, accident, fire, water damage, improper installation or adjustment, and corrosion.
  • Products that have been modified or altered outside of or beyond HornBlasters specifications.
  • Products used in any application other than those recommended in the current HornBlasters instructions accompanying the product. This includes installing non-sealed onboard air units where they may get water damage.  
  • Products installed in conjunction with the kit that was not included or part of any of our HornBlasters Kits

All products are covered by shipping insurance. If the order arrives damaged, the customer has 48 hours to contact HornBlasters from the delivery date in order for HornBlasters to file a claim.

Warranty Procedure

All of our products come with lifetime technical support. In many cases, technical issues with our products can be addressed with basic troubleshooting. If your product is not functioning properly, technical support can be reached the following ways:

If the issue can not be resolved through troubleshooting, HornBlasters will issue a Return Merchant Authorization number (RMA) to the customer. This RMA number must be located on the box that the product is sent back in. The customer is responsible for shipping the product to HornBlasters for inspection.

Our Mailing Address is:


6511 N 54TH ST

Tampa, FL 33610

If, after inspection by HornBlasters, the product is found defective, HornBlasters will at our discretion, repair or replace the product and ship the product back to the customer (provided they are in the continental United States) free of charge.

If the product is found not to be defective or does not fall under warranty due to improper use or installation, the product will be shipped back to the customer at the customer's expense. Hornblasters is not responsible for any installation or repair charges.