Wolo 837-858 Cannon Ball Express Pro, Train Horn

★★★★☆ 4.0 39 reviews

$90.00
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Management number 211842045 Release Date 2026/04/06 List Price $36.00 Model Number 211842045
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When a vehicle owner demands a train horn with the ultimate powerful sound, the Cannon Ball Express is the horn. Constructed of all metal, with three (3) trumpets that are triple chrome plated. The horn’s heavy-duty mount base is painted bright silver to prevent rusting. Cannon Ball Express comes with a built-in heavy-duty 12-volt electric solenoid. The on-board air system provided is designed to produce a large volume of high-pressure air to power the Cannon Ball Express Train Horn and includes everything necessary for a professional installation. The heavy-duty 12-volt motor of the compressor is balanced to precision, and there are 4 heavy rubber bushings mounted into the base virtually eliminating all vibration. For easy installation there is an extended length stainless steel high-pressure hose that allows the compressor to be surface mounted, the stainless steel hose connects the compressor to the 2.5-gallon metal air storage tank. Other features of the Cannon Ball Express are; the tank has a built-in pressure switch, manual water drain, pressure gauge, pressure relief valve and brass fittings. Compressor:- Voltage: 12-volts, Current: 21-amps at peak, Duty-cycle: 33% @ 100 psi, CFM: 2.55, Pump has washable air filter, il-less maintenance free, Permanent magnet motor that is gearless with thermo protection. Tank:- Built in pressure switch: On 80 /off 110 psi, Safety pressure relief valve, Pressure gauge, Fitting size: All brass, Petcock water drain, Size compressor mount on tank: L 17-1/4 in. x W 6-1/2 in. x H 15-1/2 in.

  • 152 Decibels - 307/347/440 Hz
  • Horn size: L 15 in. x W 5-1/2 in. x H 6 in.
  • Compressor size: L 10-1/4 in. x W 3-1/2 in. x H -1/2 in.
  • Tank size: L 17-1/4 in. x W 6-1/2 in. x H 8-1/4 in.
  • Tank capacity: 2.5 gallons
UPC 080217837859
Color Silver
Voltage 12 Volts
Fit Type Universal Fit
Brand Name Wolo
Style Name Classic
Item Weight 41 Pounds
Noise Level 152 Decibels
Manufacturer Wolo
Material Type Chrome
Item Type Name Cannon Ball Express Pro With Model 858 High Pressure On-Board Air System
Item Dimensions 20.25 x 17 x 24.25 inches
Included Components Mounting hardware, 10 ft. of flexible highpressure hose and 20 ft. coiled filler hose with quality brass fittings.
Manufacturer Part Number 837-858
Compatible with Vehicle Type Bus, Truck
Global Trade Identification Number 00080217837859

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