---
product_id: 47278186
title: "Wolo 837-858 Cannon Ball Express Pro, Train Horn"
brand: "wolo"
price: "KD 9.90"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/47278186-wolo-837-858-cannon-ball-express-pro-train-horn
store_origin: KW
region: Kuwait
---

# 2.5 gal tank 20.25 x 17 x 24.25 in. 152 dB Wolo 837-858 Cannon Ball Express Pro, Train Horn

**Brand:** wolo
**Price:** KD 9.90
**Availability:** ✅ In Stock

## Summary

> 🚂 Blow the competition away with the Wolo Cannon Ball Express!

## Quick Answers

- **What is this?** Wolo 837-858 Cannon Ball Express Pro, Train Horn by wolo
- **How much does it cost?** KD 9.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/47278186-wolo-837-858-cannon-ball-express-pro-train-horn)

## Best For

- wolo enthusiasts

## Why This Product

- Trusted wolo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash the Roar:** Experience a thunderous 152 dB sound that commands attention.
- • **Compact Powerhouse:** Designed to fit seamlessly in your vehicle without compromising space.
- • **Precision Engineering:** Crafted with a classic style, this horn is built to last and impress.
- • **Tank Up for Adventure:** 2.5-gallon tank capacity ensures you’re always ready to make some noise.
- • **Professional Grade Performance:** Perfect for those who demand the best in sound and reliability.

## Overview

The Wolo 837-858 Cannon Ball Express Pro Train Horn delivers an astonishing 152 decibels of sound, making it one of the loudest options on the market. With a compact design and a robust 2.5-gallon tank, this horn is engineered for both performance and style, ensuring you stand out on the road.

## Description

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.

## Features

- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Wolo |
| Color | Silver |
| Item dimensions L x W x H | 20.25 x 17 x 24.25 inches |
| Style | Classic |
| Noise Level | 152 dB |
| Manufacturer | Wolo |
| UPC | 080217837859 |
| Global Trade Identification Number | 00080217837859 |
| Model | 837-858 |
| Item Weight | 41 pounds |
| Product Dimensions | 20.25 x 17 x 24.25 inches |
| Item model number | 837-858 |
| Exterior | Painted |
| Manufacturer Part Number | 837-858 |

## Product Details

- **Brand:** Wolo
- **Color:** Silver
- **Item dimensions L x W x H:** 20.25 x 17 x 24.25 inches
- **Style:** Classic
- **Noise Level:** 152 dB

## Images

![Wolo 837-858 Cannon Ball Express Pro, Train Horn - Image 1](https://m.media-amazon.com/images/I/81IHPoi1EjL.jpg)

## Frequently Bought Together

- Wolo 837-858 Cannon Ball Express Pro, Train Horn
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**Shop now:** [https://www.desertcart.com.kw/products/47278186-wolo-837-858-cannon-ball-express-pro-train-horn](https://www.desertcart.com.kw/products/47278186-wolo-837-858-cannon-ball-express-pro-train-horn)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-15*