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CONDUCTOR'S SPECIAL 248C TRAIN HORN KIT HK-S4-248C

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Product Description

THE CURE FOR HONKLESSNESS IS HERE!

The Conductor's Special 248 packs a huge train horn sound, all while using very minimal installation space! Our Conductor’s Special 248 train horn kit is designed to be compact and budget-friendly, as well as pack enough punch to get the attention of everyone around.  The Conductor’s Special 248 train horn kit is universal and has been installed on everything from ATV’s too big rigs.

Our shocker XL train horns that come with the Conductor’s Special 248 train horn kits are some of the loudest horns you can buy, giving you the tone and intensity of a real train horn without having to spend thousands. As four separate bells, our Shocker XL train horns are perfect for tight install spaces and when coupled with our HornAir 232 onboard air system, makes for a train horn kit that you can install almost anywhere on anything.

With our weather-resistant 2-gallon tank and Viair’s 480C air compressor, you get a complete system that is capable of providing a 5-7 second blast time and refilling in less than 2 minutes! This air system is also capable of being used for airing up tires or using an air tool if needed. The Viair 480C air compressor is a constant duty air compressor. Making this the perfect unit for those other pneumatic uses as well as honking the horn. Everything is included along with detailed instructions, making installation easy enough for anyone to be able to do. 

Please note: The 6 horn upgrade kit does NOT include the extension brackets to connect to our STDK bracket or Shocker XL horn mount.


  • High-efficiency & extremely loud
  • Stainless steel diaphragms won't rust!
  • Manifold-less design for flexible installation
  • All-inclusive train air horn solution!
  • Heavy-duty compressor for faster fills!
  • All standard mounting hardware
  • Max honk time: 5 to 7 seconds
  • It can be heard from miles away!

  • Part Number: HK-S4-248C
  • Horn: Shocker 4 train horn kit
  • Material: High-impact ABS
  • Horn Measurements
    № 1 19.50″ (495.30 mm) № 2 16.25″ (412.75 mm)
    № 3 14.75″ (374.65 mm) № 4 12.75″ (323.85 mm)
  • Flare: 5″ (127 mm)
  • Weight: 4.5 lb (2.04 Kg)
  • Fitting Size: ⅛″ M NPT
  • Tank: HornAir 2 gallon tank
  • Tank Length: 17" (431.8 mm)
  • Tank Diameter: 6" (152.4 mm)
  • Tank Height: 7" (177.8 mm) (With Legs)
  • Tank Weight: 10 lb (4.54 Kg)
  • Compressor: Viair 480C air compressor
  • Voltage: 12 volts DC
  • Air Flow:  1.76 CFM at free flow
  • Max Amperage: 19 amps
  • Maximum Duty Cycle: 33% @ 100 PSI
  • Maximum Working Pressure: 150 PSI
  • Compressor Length: 10.87″ (261 mm)
  • Compressor Width: 4.2″ (106 mm)
  • Compressor Height: 6.75″ (167.7 mm)
  • Compressor Weight: 11.05 lb (3.15 Kg)

2-GALLON AIR TANK DIMENSIONAL DRAWING

PSI CFM A BAR LPM A
0 1.86 10 0 52.7 10
10 1.75 12 1.0 47.5 13
20 1.59 14 2.0 43.2 15
30 1.52 15 3.0 40.7 16
40 1.45 16 4.0 38.1 18
50 1.41 17 5.0 35.3 18
60 1.33 18 6.0 32.6 19
70 1.26 18 7.0 30.0 20
80 1.20 19 8.0 27.0 22
90 1.13 19 9.0 25.0 22
100 1.07 20 10.0 22.3 21
110 0.99 21 11.0 20.1 21
120 0.93 23 12.0 18.3 21
130 0.88 22 13.0 16.0 20
140 0.82 22 14.0 14.0 19
150 0.75 21
160 0.71 21
170 0.67 21
180 0.61 21
190 0.55 20
200 0.51 19

 * Supply Voltage: 13.8 Volts

2.0 GALLON TANK FILL RATE
0 to 145 PSI 2 min. 50 sec. (± 10 sec.)
110 to 145 PSI 57 sec. (± 05 sec.)

* Supply Voltage: 13.8 Volts