Description
LIKE A RUNAWAY FREIGHT TRAIN
Introducing the Nathan AirChime K5HA train horn kit, a powerful solution that’ll make even the most distracted drivers take notice! With its incredible volume and durability, the K5HA reigns supreme in the train horn world, with die-cast aluminum and stainless steel diaphragms built to withstand any weather.
The HornAir 544K onboard air system complements the K5HA’s power, featuring a 5-gallon tank for up to 5 seconds of continuous honking, and a quick recharge time of just 1.5 minutes from 110 to 150 PSI. This complete kit includes everything you need to transform your vehicle into a force to be reckoned with on the road, along with easy-to-follow instructions.
- Premium Sound & Build: Experience unparalleled volume with the K5HA, built with die-cast aluminum and stainless steel internals.
- Swift Recovery: The HornAir 544K air system ensures minimal downtime with a rapid 90-second recovery.
- Railroad Authenticity: Genuine railroad-use horn, delivering unmatched sound intensity on the roads.
- Complete Power Kit: Featuring a robust 1NM air compressor and a generous 5-gallon tank that provides roughly 5 seconds of honk time.
- User-Friendly Installation: Comprehensive kit with all essentials and clear instructions for a hassle-free setup.
Videos
Includes
- Nathan Airchime K5HA train horn
- 5-gallon 8 port air tank
- HORNBLASTERS 1NM STEALTH BLACK AIR COMPRESSOR
- 110/150 PSI Pressure switch w/ 40 amp relay
- Spare air filter elements
- 17′ of 1/2″ D.O.T. approved air line
- Black Widow 1/2″ stainless steel electric air valve kit
- 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
- All necessary fittings including a safety blow-off & drain cock
- Detailed Installation Instructions
Specifications / Fill Rates
- Part Number: HK-K5-544K
- Operating Pressure: 150 PSI
- Restart Pressure: 110 PSI
- Voltage: 12-Volt DC
- Horn: Nathan AirChime K5HA (K5 high mount American tune)
- Horn Material: Cast Aluminum
- Horn Length: 19″ (482.6 mm)
- Horn Width: 18″ (457.2 mm)
- Horn Height: 12″ (304.8 mm)
- Horn Weight: 37 lb (16.78 Kg)
- Horn Air Inlet: ½″ NPT
- Air 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)
- Tank Ports: x7 1/2″ NPT, x1 3/4″ NPT
- Leader Hose/Check Valve: 1/4″ NPT
- 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

Performance Data & Fill Rates
- 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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