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OUTLAW 127H BLACK TRAIN HORN KIT HK-C3B-127H

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Product Description

One of our most popular entry-level train horn kits, our Outlaw Black 127H Train Horn Kit is easy to install and packs heaps of power at a budget-friendly price. If you are wanting that authentic train horn sound for an affordable cost, this is the perfect kit for you.

As one of the loudest train horns we carry, our Outlaw Black Train Horn packs a lot more punch than it’s size would lead you to believe. With an install footprint much smaller than other train horns, our Outlaw Black Train Horn is a great alternative to larger train horns when space is limited without losing volume.

Our HornAir 127H Air Source Unit that we bundled with our Outlaw Black Train Horn is the ideal air source unit for tight install requirements or tight budgets. As our smallest air source unit, our HornAir 127H Air Source Unit can easily fit in the trunk of a car or a toolbox. As a non-enclosed unit, we highly recommend keeping the unit in a space that is dry and free of debris. While our Outlaw Black 127H Train Horn Kit might seem small, you still get a stunning 5 seconds of continuous blast time out of the gallon and a half tank and a lightning-fast recharge time of 90-120 PSI in only 35 seconds! Like all HornBlasters Horn Kits, the Outlaw Black 127H Train Horn Kit is a complete kit with all required components and detailed instructions included.

While this kit gives you everything you need to get up and going, make sure to pick up our wireless remote to get the most out of this kit!

(Note: Tank mounted air compressors are not fully sealed.  For this reason, the manufacturer recommends the tank/compressor system be mounted in the upright position in an enclosed space away from moisture, dirt, debris, etc...)

**Detaching the compressor from the tank will void your warranty on this kit. If you need a solution where the compressor is detached, please look at our 232 and higher model kits. **


  • Part Number: HK-C3B-127H
  • Horn: HornBlasters Black Outlaw Train Horn
  • Horn Length: 18.5″ (469.9 mm)
  • Horn Width: 15.5″ (393.7 mm)
  • Horn Height: 12.5″ (317.5 mm)
  • Horn Weight: 15 lb (6.8 Kg)
  • Horn Fitting: 1/2" Tube
  • Air Source Unit: HornBlasters 127H
  • Working Pressure: 120 PSI
  • Air Source Length: 15.0″ (381 mm)
  • Air Source Width: 6.0″ (152.4 mm)
  • Air Source Height: 13.0″ (330.2 mm)
  • Air Source Weight: 13.75 lb (6.24 Kg)
  • Air Source Kit Tank: Viair 1.5 Gallon 4 Port Tank
  • Volume: 1.5 gal (6.6 L)
  • Ports: 4 x ¼″ NPT Ports
  • Tank Length: 15″ (381 mm)
  • Tank Width: 6″ (152.4 mm);
  • Tank Height: 8.5″ (215.9 mm)
  • Tank Weight: 8.65 lb (3.92 Kg)
  • Air Source Kit Compressor: Viair 275C Air Compressor
  • Voltage: 12 volts DC
  • Max Amperage: 18 amps
  • Maximum Duty Cycle: 25% @ 100 PSI
  • Compressor Length: 6.5″ (165.1 mm)
  • Compressor Width: 3.5″ (88.9 mm)
  • Compressor Height: 4.5″ (114.3 mm)
  • Compressor Weight: 5.1 lb (2.31 Kg)