Wolo Manufacturing Air Horn Compressor
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Wolo Manufacturing Air Horn Compressors: Purpose-Built Power for Your Horn System
When your air horn needs a reliable power source, the compressor is the heart of the entire system — and few names carry more weight in this space than Wolo Manufacturing. Established in 1965, Wolo has grown from a one-person operation into a second-generation, family-owned business with a singular focus: innovative products for vehicles, motorcycles, marine, and industrial equipment, with a core emphasis on horns and warning systems. Their air horn compressors reflect decades of refinement in that same niche.
The Wolo 400-C: A Direct-Drive Compressor Designed for Air Horns
Wolo's flagship standalone compressor — the Model 400-C — is a direct-drive unit engineered specifically to power air horn setups. Wolo air horn compressors have been specially designed for use with Wolo 2- or 3-trumpet air horns and low-pressure truck horns. They feature a compact size and fit great in small engine compartments, making installation straightforward even when under-hood space is at a premium.
From a specs standpoint, the 400-C is a direct-drive unit measuring 4½ inches in length, constructed from steel, and operates at 12V DC, generating 12 to 14 PSI of working pressure. It ships with a mounting bolt included, so getting it secured and operational is a minimal-tool job for most enthusiasts.
Compressor + Horn System Synergy
What sets Wolo apart from generic compressor suppliers is that their compressors are purpose-matched to their own horn lineups. Wolo's compact chrome compressors are maintenance-free and their kits come complete with all needed mounting hardware, hose, and relay, so there's no sourcing of mismatched components or guesswork involved. Whether you're running a dual-trumpet setup or a triple-tone configuration, Wolo ensures the compressor and horn work as a matched system.
Wolo air horns are recognized and valued for their compact size, incomparable quality, reasonable price, and ease of installation, and those same values extend directly into their compressor lineup. The 400-C is also a popular replacement compressor for existing Wolo horn kits — riders and drivers frequently use it to restore aging horn assemblies on motorcycles, trucks, and cars without replacing the entire horn system.
Heavy-Duty Options for High-Demand Applications
Beyond the 400-C, Wolo offers compressor solutions for more demanding setups. Wolo makes various compressors and tank systems, including the Model 858 TORNADO — a heavy-duty compressor specially engineered for applications that need large volumes of high-pressure air. This positions Wolo's compressor range to serve everyone from weekend enthusiasts to commercial vehicle operators.
Why Choose Wolo for Your Air Horn Compressor?
- Application-specific design: Built to match Wolo's own 2- and 3-trumpet horn systems for true plug-and-play compatibility.
- Compact form factor: Direct-drive construction keeps the unit small enough for tight engine bays and motorcycle frames.
- Maintenance-free operation: No routine servicing required under normal use conditions.
- Decades of expertise: Since 1965, Wolo has delivered high-performance safety devices, including high-decibel air horns, backing every compressor with that institutional knowledge.
- Broad vehicle compatibility: Wolo's horn design and technology spans electric, air, truck, marine, motorcycle, industrial equipment, and vehicle emergency and safety applications.