Looking for a complete train horn kit with no shortcuts? The Ultimate 12HB Train Horn Kit is our most powerful and most capable kit to date. Designed for serious use, it gives you everything needed for maximum volume, long blast time, and onboard air flexibility. For the first time, you can choose between two of the loudest train horns we have ever offered: the King 5 or the Nathan Airchime K5.
Whether you want the raw, brand-new power of the King 5 or the history and tone of the reconditioned K5, this system gives you full performance either way. It is built for daily drivers, show trucks, off-road builds, or anyone who refuses to compromise on sound.
Kit includes:
KING 5 OR NATHAN AIRCHIME K5:
Both are full-size five-chime horns with massive output. The King 5 is a brand-new die-cast horn with unmatched clarity. The Nathan K5 is pulled from real locomotives and fully restored for authentic tone and volume
12-GALLON AIR TANK:
Seven half-inch ports and one three-quarter-inch port for maximum airflow and flexible setup. Rated for 150 PSI with a 300 PSI burst
FOUR CONSTANT-DUTY COMPRESSORS:
High-output compressors fill the tank fast and recover quickly even under heavy use. Ideal for honking, air suspension, tire inflation, and onboard tools
FULL ACCESSORY PACKAGE:
Includes an electric drain valve for moisture control, an air outlet relocation kit for easier access, a digital 220 PSI air pressure gauge, a 30-foot coil hose with tire inflation gun, a blowgun, and all the necessary fittings and wiring to complete the install
The Ultimate 12HB Kit is exactly what the name says. Maximum air volume, maximum compressor output, and the loudest train horns available. Your choice of either one. If you are looking for the best of everything in one box, this is it.
Part Number | HK-K5-12HB / HK-H5-12HB |
Material | Cast aluminum |
Horn Length | 19″ (412.75 mm) |
Horn Width | 29.75″ (755.65 mm) |
Horn Height | 9.25″ (234.95 mm) |
Horn Weight | 26.75 lb (12.13 Kg) |
Horn Port | ½″ NPT |
Tank | HornAir 12-gallon tank |
Volume | 12 gals (45.42 L) |
1/2" NPT Ports | 7 |
3/4" NPT Ports | 1 |
Tank Length | 44″ (1117.6 mm) |
Tank Diameter | 10″ (254 mm) |
Tank Height | 12.5″ (317.5 mm) (With Legs) |
Tank Weight | 37 lb (16.78 Kg) |
Voltage | 12 volts DC |
Max Amperage | 100 amps (25 amps for each air compressor) |
Maximum Duty Cycle | 50% @ 200 PSI / 100% @ 100 PSI |
Maximum Working Pressure | 200 PSI |
Compressor Length (Each) | 10.75″ (273.05 mm) |
Compressor Width (Each) | 4″ (101.6 mm) |
Compressor Height (Each) | 6.75″ (171.45 mm) |
Compressor Weight (Each) | 11.1 lb (5.03 Kg) |
This product produces extreme loudness. Proper hearing protection must be worn at all times during its operation. Hearing loss or permanent damage may result from unsafe use. Use this product in a safe and responsible manner and at a distance of at least 100 meters from others. Never operate this product in a closed environment, in close proximity to living beings, or where prohibited by law.
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
If you’re new to horns or horn kits, our First-Time Buyer’s Guide is a great place to learn what to expect, how to install your kit, and how to choose the right setup. Our Install Gallery is also a great resource for getting inspiration for your application.
I was happy this Hornblasters company employee could direct me on what to buy for my husband for His Father’s Day gift. This was his best FD yet! Thank you HB, he is using and enjoying.