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Kleinn HK7 is the Model HK7: Universal "Beast" ABS Triple Train Horns / Onboard Air Kit | 150 PSI | 3-Gallon. Match the exact manufacturer part number, configuration, voltage, pressure, dimensions, connections, included components, and vehicle application before ordering.
Key Features
- Three tuned high impact ABS trumpets 17.5, 14.5 and 11.5 in length.
- Includes a full onboard air system with 100% duty cycle air compressor, 3 gallon tank, bonus tire inflation kit with storage bag.
- Requires 40% less clearance than other full size train horns.
Fitment
| Fitment Status | Universal only by exact specifications |
|---|---|
| Required Verification | Voltage, pressure, flow, duty cycle, dimensions, ports, air-line size, wiring, mounting, and companion components |
Specifications
| Brand | Kleinn Air Horns |
|---|---|
| Manufacturer Part Number | HK7 |
| Product Type | Air Horn Kits |
| Fitment Type | Universal |
| Condition | New |
| GTIN | 854508003793 |
| Part Number | Model (230) “The Beast" |
| Number of horns | 3 (Flat Rack or Individual Mount) |
| Warranty | 1-Year Warranty |
| Construction | Composite Black ABS Trumpets |
| 12-Volt Brass Solenoid | P/N- VX6003 (51438 & 53814N Fittings Incl.) |
| Max Pressure | 150 PSI |
| Output (dB) @ 150 PSI | 155.1dB (156.9 dB w/ 6885 Upgrade Kit) |
| Dimensions (On Flat Rack Bar) | 18.5” L x 18” W x 7” H |
| Dimensions (Each Horn) | 18.5” Lg. – 16.5” Med. - 14.5” Sm. |
| Minimum Tank Size | 2.5-Gallon |
| Airline Length - Size | 12’ of ¼” OD Airline |
| Upgrade kit compatibility | Use Model 6885 |
What's Included
- (230) The Beast™ triple train horns: High-impact ABS trumpets designed for a loud, authentic locomotive blast.
- (6350RC) Waterproof air compressor: 100% Duty Cycle — 150 PSI fully sealed unit engineered to thrive in harsh environments.
- (6350RT) 3-gallon air tank: Features an internal anti-corrosion coating for superior rust resistance and long-term reliability.
- (INF-1) Tire inflator kit: 24’ air hose, tire inflator with luminescent gauge, and quick-connect coupler in a canvas storage bag.
- (2151) Pressure switch: Automated air management (110 PSI on / 150 PSI off).
- (FIT7) Air tank fitting pack: Complete set of necessary fittings for the 3-gallon system.
- Installation essentials: Horn button, Juice-1 thread sealant, airlines, complete wiring, and all necessary hardware.
About Kleinn Air Horns
Kleinn develops vehicle-specific and universal train horns, air horns, onboard-air systems, compressors, tanks, valves, controls, and remote-start systems. Every pressure, electrical, dimensional, and vehicle requirement remains exact-part specific.
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Frequently Asked Questions
What must match before installing Kleinn HK7?
Confirm voltage, pressure, flow, duty cycle, port and air-line sizes, dimensions, mounting orientation, wiring load, and compatibility with every connected component.
What air system is required for Kleinn HK7?
Match the horn's required pressure, airflow, valve, tubing size, compressor duty cycle, and tank capacity. A compressor or tank is included only when the exact listing states it.
Where can Kleinn HK7 be mounted?
Use a rigid protected location with adequate clearance, drainage, airflow, and safe routing for wiring and air line. Keep every component away from heat, moving parts, road impact, and water exposure beyond its rating.
Installation Instructions
Confirm Kleinn part number HK7 and the complete application before beginning. Mount every component in the specified orientation, use correctly sized fused wiring and protected grounds, route air line away from heat and moving parts, seal only the approved threads, leak-test the system, verify cut-in and cut-out pressure, and confirm safe operation before driving.
Kleinn Air Horns
Kleinn automotive air horns and onboard air systems deliver the sound, stored air, and vehicle-specific hardware needed for truck, Jeep, SUV, and off-road builds. Shop complete Kleinn horn kits, direct-fit onboard air systems, standalone air horns, 12-volt compressors, air tanks, valves, pressure switches, gauges, fittings, controls, and compatible remote-start systems. Use the year, make, and model filter when shopping vehicle-specific kits, then confirm the exact manufacturer part number, engine, body configuration, mounting space, electrical requirements, operating pressure, tank capacity, and included hardware. The live assortment covers popular Ford F-150, Raptor, and Super Duty; Chevrolet Silverado and GMC Sierra; Ram trucks; Jeep Wrangler and Gladiator; Toyota; Nissan; Infiniti; and universal applications. What Kleinn Air Horns and Onboard Air Systems Cover This collection includes complete air-horn packages and the individual parts needed to build, upgrade, or service a pn...
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