Description
GO AHEAD, TOOT YOUR OWN HORN.
Get ready to blow minds and make ears perk up with our Nathan AirChime P5 544K train horn kit! This kit combines a classic and authentic train horn from the 50s with a powerful onboard air system. The result? A train horn system that will make even the most dedicated train horn enthusiasts green with envy.
The Nathan P5 train horn is made of sand-cast aluminum, built to last and bring that classic train horn sound to your ride. Paired with the HornAir 544K onboard air system, this kit will give you a massive 5 seconds of continuous blast time, plus the ability to inflate tires in an emergency.
Ready to be heard from miles away? This kit will fill you up fast with a 1-minute and 30-second recharge time and stealth black air compressor. So, let the good times roll and start turnin’ up the volume with our Nathan AirChime P5 544K kit!
- Classic & Authentic Sound: Experience the unmistakable tone of the 50s with the Nathan Airchime P5’s sand-cast aluminum construction.
- Robust & Reliable: Built with industrial-grade stainless steel internals, this horn is a genuine piece from retired locomotives, ensuring unmatched durability.
- Versatile Air System: With the HornAir 544K, not only enjoy up to 5-6 seconds of continuous honking but also inflate tires during emergencies.
- Rapid Recovery: The stealth black 1NM air compressor ensures you’re always ready, recovering the tank in roughly 90 seconds.
- All-inclusive Package: This kit includes everything needed from start to finish to get you up and honking in no time.
***All Nathan Airchime Horns have a 7-10 Business Day Lead Time!!***
Videos
Includes
- Nathan Airchime P5 train horn
- HORNBLASTERS 1NM STEALTH BLACK AIR COMPRESSOR
- HornAir 5-gallon 8 port air tank
- 110/150 PSI pressure switch w/ 40 amp relay
- Remote mountable air filter housing
- Spare air filter elements
- 17′ of 1/2in D.O.T. approved air line
- Black Widow 1/2″ stainless steel electric air valve kit
- Brass NPT fitting kit including a safety blow-off & drain cock
- 22ft of 10-gauge red wire
- 22ft of 18-gauge blue wire
- 22ft of 18-gauge grey wire
- Complete wiring kit with fuse holder & fuses
- Mounting hardware
- Detailed instructions
Specifications / Fill Rates
- Part Number: HK-P5-544K
- Operating Pressure: 150 PSI
- Restart Pressure: 110 PSI
- Voltage: 12-Volt DC
- Horn: Nathan Airhchime P5 train horn
- Horn Length: 19.5″ (495.3 mm)
- Horn Width: 19.75″ (501.65 mm)
- Horn Height: 10″ (254 mm)
- Horn Weight: 30 lb (13.61 Kg)
- Port: 1/2″ NPT
- Fitting Size: ⅛″ M NPT
- Tank: HornAir 5-gallon 8 port air tank
- Tank Length: 20.5″ (520.7 mm)
- Tank Diameter: 9.5″ (241.3 mm)
- Tank Height: 11.5″ (292.1 mm) (With Legs)
- Tank Weight: 20 lb (9.07 Kg)
- Leader Hose/Check Valve: 1/4″ NPT
- Max Tank Size: 5-Gallons (18.93 Liters)
- Max amperage: 25 Amps
- Maximum duty cycle: 100% @ 100 PSI
- Flow Rate @ 0 PSI: 1.75 CFM
- Compressor length: 10.75″ (273.05 mm)
- Compressor width: 4″ (101.6 mm)
- Compressor height: 6.75″ (171.45 mm)
- Weight: 10.1 lb (4.58 Kg)
| 5.0 GALLON TANK | FILL RATE |
|---|---|
| 0 to 150 PSI | 6 min. 45 sec. (± 10 sec.) |
| 110 to 150 PSI | 2 min. (± 05 sec.) |
* Supply Voltage: 13.8 Volts
5-Gallon Air Tank Dimensional Drawing

Policies & Warranty Information
- Money-Back Guarantee/Refund Policy
All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly. - Warranty
This product is backed by our One-Year Manufacturer’s Defect Warranty! - HornBlasters.com Satisfaction Guarantee
HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing. - Cross-Shipments
HornBlasters.com will not cross-ship returned merchandise. - Physical Damage Policy
Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.





















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