Kleinn Model HK9-Slimline Triple Train Horn Kit

SKU: hk9slim

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Product Information

ProBlaster™ Complete Ultimate Triple Train Horn Package

Our biggest train horn kit! The HK9-Slimline has all the same features as the HK9 kit but includes a slim design 3-gallon air tank and not the larger 5-gallon tank. The slim design tank offers more mounting options on small and mid-size trucks and SUVs. The Demon™ Model 730’s massive and detachable XCR 2.0™ spun steel trumpets (18.25”, 14.75”, 10.5”) allow tons of installation options. Includes a fully submersible waterproof high output 150 psi, 100% duty compressor and tire inflation kit with storage bag.

The 730 can be upgraded by adding the Ultra BlastMaster™ valve upgrade (P/N 6890) – making it the loudest, largest and most aggressive train horn on the market.

Package Includes:

  • The Demon™ Triple Train Horn
  • VX6003 High Performance Air Valve
  • 150 PSI Fully Submersible Waterproof Air Compressor
  • 3-gallon Slim Design Air Tank –
  • Pressure switch & Brass Air Fittings
  • 12 ft high pressure nylon air tubing & Horn Button
  • 35′ tire inflation coil hose
  • Wiring/Installation Kit




This product can expose you to chemicals which are 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.
Construction XCR2.0 Coated Spun Steel Tank Capacity 3 gallon
Horn Dimensions (in) 22” x 20.75” x 7.75” Pressure Switch 110 psi on, 145 psi off
Compressor Dimensions (in) 10” x 4” x 6.75” Duty Rating 100%
Tank Dimensions (in) 27” x 6.25” x 7″ CFM @ 0 PSI 2.0
Output (dB) @ 100 PSI 156.4 Compressor Amp Draw 23
Output (db) @ 150 psi 157.8 Thermal Protection Yes
Max Pressure 150 PSI Shipping Weight 54 lbs

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