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Give any truck the powerful sound of a train air horn. The SIBERIAN EXPRESS has been engineered with the latest technology using reinforced ABS. The sound produced by the three trumpets is incredible. Using reinforced ABS decreases the overall weight making installation easier and ensuring less vibration when driving on rough roads. The trumpets and mounting base are finished with an attractive semi-gloss black finish. The SIBERIAN EXPRESS requires an on-board air system with a minimum of three-(3) gallon storage tank, (recommended Wolo on-board air system Model 840). Comes with all mounting hardware and 10 feet of ¼” nylon high-pressure hose.
Specifications
Horn Size: L 16 1/2 in. x W 14-3/4 in. x H 11 in.
Sound output: 152db / 150 Hz
Horn construction: ABS plastic black finish, steel mounting base
Mounting hardware: Stainless steel
Air fitting: 1/4"
| MODEL 847 PRICE $159.99 Built with heavy-duty 12 volt electric solenoid |
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| MODEL 848 PRICE $169.99 Built with heavy-duty 24 volt electric solenoid |
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| MODEL 849 PRICE $139.99 Operates by a manual lanyard valve. Lanyard valve included. |
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PRESS TO HEAR
A SAMPLE OF THE SIBERIAN EXPRESS
Sound file is to demonstrate horns sound not loudness

The SIBERIAN EXPRESS CHROME has all the same features as the above SIBERIAN EXPRESS with the addition of the great look of chrome.
The SIBERIAN EXPRESS requires an on-board air system with a minimum of three-(3) gallon storage tank, (recommended Wolo on-board air system Model 840). Comes with all mounting hardware and 10 feet of ¼” nylon high-pressure hose.
Specifications
Horn Size: L 16 1/2 in. x W 14-3/4 in. x H 11 in.
Sound output: 152db / 150 Hz
Horn construction: ABS bright chrome plated finish, steel mounting base
Mounting hardware: Stainless steel
Air fitting: 1/4"
| MODEL 850 PRICE $170.99 Built with heavy-duty 12 volt electric solenoid |
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| MODEL 851 PRICE $180.99 Built with heavy-duty 24 volt electric solenoid |
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| MODEL 852 PRICE $150.99 Operates by a manual lanyard valve. Lanyard valve included. |
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PRESS TO HEAR
A SAMPLE OF THE SIBERIAN EXPRESS
Sound file is to demonstrate horns sound not loudness

When a truck owner demands a ultra powerful horn, the CANNON BALL EXPRESS is the one to choose. Gives any truck a true train horn sound. Constructed of all metal with three (3) triple chrome plated trumpets. The horn's base is plated steel. The Cannon Ball Express requires an on-board air system. Comes with all required mounting hardware and 10 foot length of 1/4" nylon high pressure hose.

Specifications
Horn Size: L 16 1/4 in. x W 15 in. x H 11 in.
Sound output: 152db / 150 Hz
Horn construction: All metal, trumpets are brass chrome plated
Mounting hardware: Stainless steel
Air fitting: 1/4"
| MODEL 837 PRICE $476.99 Built with heavy-duty 12 volt electric solenoid |
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| MODEL 838 PRICE $487.59 Built with heavy-duty 24 volt electric solenoid |
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| MODEL 839 PRICE $450.49 Operates by a manual lanyard valve. Lanyard valve included |
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PRESS TO HEAR
A SAMPLE OF THE CANNON BALL EXPRESS
Sound file is to demonstrate horns sound not loudness

The Model 840 is designed for use with the CANNON BALL EXPRESS & ORIENT EXPRESS Train Horns or any high-pressure horns that require an onboard air system. Designed with a special extended tank 5.5 liter and a heavy duty, high volume compressor. Will sound the CANNON BALL EXPRESS horn for ten seconds of continuous sound. The Model 840 is a simple two-piece air supply system consisting of a metal storage tank, compressor, 10 ft. of ¼" air hose, brass fittings and mounting hardware. The TURBO compressor is balanced an has heavy rubber bushings in it's mounting base to virtually eliminate all vibration and the tank has a built-in pressure regulator to maintain 110 psi in the tank.
Specifications
Tank size: L 18 in. x W 5 in. x H 5 1/2 in.
Tank capacity: 5 1/2 liters
Fitting size: 1/4" air hose
Compressor size: L 6-1/2 in. x W 3-1/2 in. x H 5 in.
Voltage: 12 volts
Current: 12 amperes
Compressor auto-off: 110 psi
Compressor auto-on: 80 psi
| PRICE $487.59 |
|
Want more product information?
Click on Doug, Wolo's customer service associate.

The Model 840-C is designed for use with high-pressure larger volume horns that require an onboard air system. Designed to fill larger tanks such as 5.5 liter with a fast recovery time. The TURBO compressor is balanced an has heavy rubber bushings in it's mounting base to virtually eliminate all vibration.
Specifications
Compressor size: L 6-1/2 in. x W 3-1/2 in. x H 5 in.
Voltage: 12 volts
Current: 12 amperes
| PRICE $339.19 |
|

Wolo has designed the Orient Express Horn to be smaller in size so to fit into engine compartment's that have less open space. Four (4) brass triple chrome plated trumpets produce the powerful train horn sound. The Orient Express will provide the driver with comfort of knowing that he/she will be heard! Requires an on-board air system with a minimum of 3-gallon storage tank, (recommended Wolo on-board air system is Model 840). Built with a heavy-duty 12-volt electric solenoid. The Orient Express comes with mounting hardware and 10 feet of ¼" nylon high-pressure hose.

Specifications
Horn Size: L 18-7/8 in. x W 13-3/4 in. x H 4-1/4 in.
Horn construction: All metal, trumpets are brass chrome plated
Air fitting: 1/4"
| MODEL 841 PRICE $508.79 Built with heavy-duty 12 volt electric solenoid |
|
PRESS TO HEAR
A SAMPLE OF ORIENT EXPRESS
Sound file is to demonstrate horns sound not loudness
The Orient Express has been designed smaller in
size for the vehicle owner that wants a powerful train horn sound. Made to fit
into an engine compartment that has less available space. The four (4) trumpets
are brass triple chrome plated to have a bright finish. Built into the base of
the trumpet is a 12 volt electric solenoid valve which is chrome plated. Comes
complete with a high-pressure on-board tank system consisting of a heavy duty
compressor and a 5.5 liter extended air storage tank. The Orient Express Plus
will provide any driver the comfort of knowing that they will be heard!

Specifications
Tank:
l 18 in. x W 5in x H 5-3/4 in.
Tank
Capacity: 5.5 Liter
Fitting
type: ¼ in. OD hose
Compressor’s
size: L 6-1/2 in. x W 3-1/2 in. x H 5 in
Compressor’s
voltage: 12 volts
Compressor’s
current: 12 amps
Compressor’s
auto on 80 psi – off 110 psi
Trumpets:
L 18-7/8” x W 13-3/4” x H 4-1/4”
130 Decibels – 289/323/345/426 Hz
| MODEL 842 PRICE $932.79 Built with heavy-duty 12 volt electric solenoid |
|
PRESS TO HEAR
A SAMPLE OF
ORIENT EXPRESS
Sound file is to demonstrate horns sound not loudness

MODEL 843
MODEL 844
121 Decibel 287/326/356 HZ
120 Decibel 287/326/356/426 HZ
3-TRUMPET 4-TRUMPET
L 18-7/8 in. x W 10-1/2 in. x H 4-1/4 in.
The Orient Express Train Horn DD
series, (direct drive) is especially designed for vehicle owners that want the
powerful sound of a train horn but have limited open space in the engine
compartment. Included in the kit is Wolo’s new heavy-duty compressor which is
maintenance free, No high pressure on-board air tank system is required.
There are two models to chose from, either three (3) or four (4) trumpets.
Both models are constructed of brass which is triple chrome plated. Kit contains
relay, hose and mounting hardware.
PRESS TO HEAR
A SAMPLE
ORIENT EXPRESS MODEL 843
PRESS TO HEAR
A SAMPLE
ORIENT EXPRESS MODEL 844
Sound file is to demonstrate horns sound not loudness
| MODEL 843 / 3-TRUMPET PRICE $472.79 |
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| MODEL 844 / 4-TRUMPET PRICE $498.19 |
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An easy to use two piece air supply system consisting of an air storage tank, compressor (air
pump), 1/4" air hose, fittings, and hardware. The tank has a built-in regulator to maintain
preset air pressure. All moving parts of the compressor are
manufactured to strict standards. The compressor's motor is carefully balanced and then
mounted on heavy rubber bushing's, virtually eliminating all vibration. Air hose fittings are made
quality brass to insure leak free installations. for use with a standard 1/4 hose. The Model 800
comes with a 20 ft coiled air filler hose with fittings to inflate tires , shocks, rafts, or any
application requiring air.
Comes complete with all needed hardware and hose fittings. Spanish instructions included.
Specifications
Tank size: L 9 in. x W 5 in. x H 5-3/4 in.
Tank capacity: 2 1/2 liters
Fitting size: 1/4" air hose
Compressor size: L 6-1/8 in. x W 3-1/2 in. x H 5-1/8 in.
Voltage: 12 volts
Current: 10 amperes
Compressor auto-off: 105 psi
Compressor auto-on: 85 psi
Filler hose length: 20 ft, coiled with fittings
| PRICE $349.79 |
|
Want more product information?
Click on Doug, Wolo's customer service associate.
Same high pressure compressor as listed above in Model 800. The Model 800-C is sold as a replacement compressor for ¼" high pressure tank systems.
| PRICE $275.59 |
|

When conditions demand a powerful sound, use the Model 805 roof mounted horn. Every
component of the horn is made to withstand the extremes in weather conditions. The mounting
base of the Model 805 fastens with four stainless steel bolts which provide a secure watertight
installation. The air feeder hose connection has been designed to mount easily and to be hidden
from view. Both trumpets are finished in bright chromium triple plated, making the Challenger
an attractive addition to any truck. Built with quality components that will give years of
dependable service. All needed mounting hardware is included. The Model 805 requires an on
board air system. Spanish instructions are included.
Specifications
Horn Size: L 14-1/2 in. x W 7 x H 5 in.
Sound output with 90/100 psi: 125db / 235Hz
Operating air pressure: 12-110 psi
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Hose fitting size: 1/4 inch
Air fittings are brass
Mounting hardware: Stainless steel
PRESS TO HEAR
A SAMPLE OF MODEL 805
Sound file is to demonstrate horns sound not loudness
| PRICE $137.79 |
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The Model 808 roof mounted horn is a perfect addition to any truck, RV, van, etc. Installation
is made easy with the heavy duty, maintenance free compressor. Every
component of the horn is made to withstand the extremes in weather conditions. The mounting
base of the Model 808 fastens with four stainless steel bolts which provide a secure watertight
installation. The air feeder hose connection has been designed to mount easily and to be hidden
from view. Both trumpets are finished in bright chromium triple plated. Challenger DD is built
with quality components which will insure years of dependable service. All needed mounting hardware
and air hose is included. Spanish instructions are included.
Specifications
Horn Size: L 14-1/2 in. x W 7 x H 5 in.
Sound output: 125db / 235Hz
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Air fitting: New easy to install flex hose
Mounting hardware: Stainless steel
PRESS TO HEAR
A SAMPLE OF MODEL 808
Sound file is to demonstrate horns sound not loudness
| PRICE $169.59 |
|


The Challenger EC will give any vehicle a powerful
truck horn sound with Wolo's heavy duty compressor, no tank needed. Designed
for easy installation in most engine compartment's. The Model 809 is
all metal construction with an enamel painted base. The trumpets are
triple chrome plated. The air inlet feed is between the two trumpets for making
air line hook-up simple. Built with quality components, which will insure years of dependable service. All needed mounting hardware
and air hose is included. Spanish instructions are included.
Specifications
Horn Size: L 14-1/2 in. x W 7 x H 5 in.
Sound output: 125db / 235Hz
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Air inlet between trumpets
Mounting hardware: Stainless steel
PRESS TO HEAR
A SAMPLE OF MODEL 809
Sound file is to demonstrate horns sound not loudness
| PRICE $169.59 |
|

MODEL 810 /
MODEL 815
The Model 810 and the Model 815 offer the same powerful roof mount horn. These models only
differ in the way they are activated: Model 810 electric solenoid and Model 815 lanyard. Both
models of Challenger come complete with a maintenance free on board air system. Each of the
kits include everything that is needed to install on any 12 volt vehicle: a deluxe roof mounted
horn that is all metal with triple chrome plated trumpets, heavy duty compressor, tank, hoses,
mounting hardware, and instructions. All moving parts of the air compressor are manufactured
to precision tolerances. The compressor's motor computer balanced, reducing noise and
vibration. The kit also includes 20 feet of plastic hose with air fittings to inflate tires, shocks,
rafts or any application requiring air.
The trumpets are built on a heavy mounting base that secures to the vehicle using four rust- resistant stainless steel bolts. Either model horn will deliver a powerful sound to be heard. Kit comes with all needed mounting hardware. Spanish instructions included.
Specifications
Horn size: L 17 in. x W 7 in. x H 5 in.
Horn output with 90/100 psi: 125 db
Horn construction: All metal, chrome plated trumpets
Compressor: 12 volts
Compressor current: 10 amperes
Tank capacity: 2 1/2 liters
Tank pressure: 90/100 psi
Challenger EV: Electric solenoid 12 volts / 300 milliamps
Challenger LV: Hand pull manual valve
PRESS TO HEAR
A SAMPLE OF CHALLENGER
Sound file is to demonstrate horns sound not loudness
| PRICE MODEL 810 $498.19 |
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| PRICE MODEL 815 $487.59 |
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The Giant produces a powerful sound to be heard. It is made with two sturdy roof supports that eliminate trumpet vibrations on the roughest roads. A front deflector cover provides protection against rain, road dirt, snow, bugs, etc. from entering the horn trumpet, protecting the sound and your investment. The air feeder hose connection is made through the base and is not externally visible. The Giant's beautiful chrome appearance will look great on any truck, and its superior performance will provide an alerting sound for a greater distance. Requires an on board air system. All needed mounting hardware is included. Spanish instructions included.
Specifications
Size Model 820: L 28 in. x W 8 1/4 in. x H 4 1/2 in.
Size Model 825: L 24 1/4 in. x W 8 1/4 in. x H 4 1/2 in.
Sound output with 90/100 psi: 130 db
Air inlet connection: Wolo's new flexible hose with brass fittings
PRESS TO HEAR
A SAMPLE OF MODEL 820
PRESS TO HEAR
A SAMPLE OF MODEL 825
Sound file is to demonstrate horns sound not loudness
| PRICE MODEL 820 $190.79 |
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| PRICE MODEL 825 $190.79 |
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A specially constructed horn built with an extra air chamber to produce a powerful train horn
sound. This attractive horn produces a echo sound that replicates the horn of a speeding diesel
locomotive. The trumpets of the Model 835 are entirely metal, triple chrome plate for all
weather conditions. The metal mounting base secures to the vehicle with stainless steel bolts,
which will provide a secure watertight installation. The air feed connection has been designed to
mount easily and to be hidden from view. The Model 835 will enhance the appearance of any
truck. Requires an on board air system. Comes complete with all mounting hardware and air
fittings. Spanish instructions included.
Specifications
Horn Size: L 14-1/2 in. x W 7 x H 5 in.
Sound output with : 90/100 psi 250 Hz
Operating pressure:60-110 psi
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Hose fittings size: 1/4 in.
Air fitting: New easy to install flex hose with brass fittings
Mounting hardware: Stainless steel
PRESS TO HEAR
A SAMPLE OF MODEL 835
Sound file is to demonstrate horns sound not loudness
| PRICE $169.59 |
|


The Silver Streak Express DD is the perfect addition to any
truck, RV, etc. This attractive horn is designed with an air chamber
that will produce a powerful echo sound that replicates a locomotive.
Installation is made easy with Wolo's heavy-duty compressor and flexible
inlet air fitting. The trumpets are all metal triple chrome plated to withstand
all weather conditions. The metal base secures to the vehicles using
a rubber gasket and stainless steel bolts, providing a water tight
installation. Packaged with all needed parts for installation, nothing
else to purchase. English / Spanish instructions included.
Specifications
Horn Size: L 14-1/2 in. x W 7 x H 5 in.
Sound output: 115db / 300 Hz
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Mounting hardware: Stainless steel
Air fitting: New easy to install flex hose with brass fittings
PRESS TO HEAR
A SAMPLE OF MODEL 836
Sound file is to demonstrate horns sound not loudness
| PRICE $201.39 |
|


The ROAD WARRIOR is a powerful air horn that will produce the same high
output sound that a big rig truck demands. The beautiful chrome finish
will look great on any truck, RV, van and etc. Powered by Wolo's new
compact heavy-duty compressor that is maintenance free. No high
pressure on-board air tank required. The horn is secured to the
vehicle's roof with two (2) sturdy mounts that will eliminate vibration at high
speeds and while driving on rough roads. Installation is made easy with
Wolo's new flexible inlet hose with brass fittings. The ROAD WARRIOR
will provide years of dependable maintenance free service. Kit includes
heavy-duty compressor, relay, hose, stainless steel mounting hardware.
Specifications
Horn Size: L 21-1/2 in. x W 6 x H 6-1/8 in.
Sound output: 125db / 275 Hz
Horn construction: All metal, trumpet copper chrome plated
Mounting hardware: Stainless steel
Air fitting: New easy to install flex hose with brass fittings
PRESS TO HEAR
A SAMPLE OF
MODEL 845
Sound file is to demonstrate horns sound not loudness
| PRICE $158.99 |
|


Wolo’s new horn THE CHIEF® has been designed to produce the powerful sputtering sound that is used by fire trucks and emergency vehicles. The triple chrome plated brass trumpet will look great on any emergency vehicle. Comes with a chrome plated metal front pedestal to eliminate vibration at high speeds and while driving on rough roads. Installation is made easy with Wolo’s flexible inlet hose. THE CHIEF requires an on-board air system (recommended Wolo on-board air system is Model 840). Designed to provide years of dependable service.
Specifications
Horn Size: L 25 in. x W 6 x H 6-1/8 in.
Sound output: 125db / 247 Hz
Horn construction: All metal, trumpet brass chrome plated
Mounting hardware: Stainless steel
Air inlet: Either bottom of horn's base for roof mount or front of base for bumper mount
Air fitting: New easy to install flex hose with brass
fitting
PRESS TO HEAR
A SAMPLE OF
MODEL 846
Sound file is to demonstrate horns sound not loudness
| PRICE $158.99 |
|

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Give any vehicle the
powerful sound of a train air horn with Wolo’s NEW PHILLY EXPRESS. The
four trumpets and mounting base are metal triple chrome plated and designed
smaller to
fit into
engine compartments that are unable to accommodate a full size train horn. Built
into the horn’s base is a heavy-duty, chrome plated 12/24-volt electric
solenoid valve. The PHILLY EXPRESS requires an on-board air system,
(recommended Wolo on-board air system Model 800). Comes with all mounting
hardware.
Specifications
Horn Size: L 15 in. x W 5-1/2 in. x H 6 in.
Sound output at : 90/100 psi 130 Decibels
Operating pressure:60-110 psi
Horn construction: All metal, base - painted enamel, trumpets - chrome plated
Hose fittings size: 1/4 in.
Air fitting: New easy to install flex hose with brass fittings
Mounting hardware: Stainless steel
PRESS TO HEAR A SAMPLE OF MODEL
853
Sound file is to demonstrate horns sound not loudness
| PRICE $119.99 |
AIR FILTER FOR HIGH PRESSURE
AIR HORN SYSTEMS
MODEL 813-FIL
Wolo’s Model 813-FIL is designed to protect and extend the service life of high-pressure air horns from dirt, rust and water that can develop in the air tank. Compact design for easy installation and suitable for limited space applications. Convenient drain will release automatically when water accumulation is 1 KG, or can be drained manually. Comes complete with brass ¼” O.D. fittings and mounting hardware.
Specifications
| PRICE MODEL 813-FIL $49.99 |
|

Manually pulling a chain opens the valve, allowing air to reach the horn. To silence the horn,
release the pull chain. Use the Model 803-LV to manually operate air horns that require an on
board air system. The lanyard valve easily installs to any 1/4" air hose with brass fittings and is
maintenance free. Comes with all needed hardware. Spanish instructions included.
Specifications
Fitting size: 1/4" air hose
ABS case
2 ft. chrome chain
| PRICE $29.69 |
|
Used with air powered horns that require an on board air system for 12 volt vehicles. When the vehicle's horn button is depressed, the Model 804-EV becomes electrically energized, opening the solenoid and permitting air to reach the horn. The solenoid remains engaged as long as the horn button is depressed. The valve easily nstalls to any 1/4" air hose with its brass fittings and comes complete with all needed hardware. Spanish instructions included.
Specifications
Hose fittings: 1/4 inch
Size: L 3 1/4 in. x W 1 in. x H 1 3/4 in.
Voltage: 12 volts
Solenoid current: 300 mills
| PRICE $51.99 |
|

CHROME
ELECTRIC SOLENOID VALVE
MODEL 811-EV
The Model 811-EV is the electric solenoid valve used with all
Wolo’s train horns; Cannon Ball Express, Siberian Express, Philly Express and
Orient Express. Designed to easily
thread into the horn’s air inlet, no special tools needed.
The solenoid valve has a bright triple chrome finish and is ideal to work
with any 12-24 volt electrical system. When
the vehicle's horn button is depressed, the Model 811-EV becomes electrically
energized, opening the valve and permitting air to enter the horn. The solenoid
remains engaged as long as the horn button is depressed.
The 811-EV has brass a brass fitting for connection to ¼” O.D.
high-pressure horse, (hose not included).
Specifications
Hose fittings: 1/4 inch
Brass
Size: L 3 1/4 in. x W 1 1/2 in. x H 2 1/2 in.
Voltage: 12 volts
Solenoid current: 300 mills
| PRICE $51.89 |
|

ELECTRIC
SOLENOID TANK VALVE
MODEL 812-EV
Used with Wolo’s Challenger series and air powered horns that require an on board air system for 12 volt vehicles. When the vehicle's horn button is depressed, the Model 812-EV becomes electrically energized, opening the solenoid and permitting air to enter the horn from the tank. The solenoid remains engaged as long as the horn button is depressed. The valve easily threads into the tank and is connect to the air horn by using a 1/4" air hose (not included). The valve comes with a brass fitting.
Specifications
Hose fittings: 1/4 inch
Size: L 4 1/4 in. x W 1 3/8 in. x H 2 1/8 in.
Voltage: 12 volts
Solenoid current: 300 mills
| PRICE $47.69 |
|

HIGH
PRESSURE SWITCH
The Model PS-1 pressure switch is specifically designed for Wolo’s high-pressure on-board air systems, Models 800 an 840 and is compatible for wide variety of other manufactures on-board air systems. The PS-1 switch is factory preset to turn on the compressor when tank pressure is below 80 psi. and turn off the compressor when the tank pressure is 110 psi., with a tolerance of ± 10% (pressure turn on/off pressure range is not adjustable). Rated to operate reliably up to 25 amps an is built to be compact in size, connects with standard ¼” push-on terminals.
Specifications
Size: D1 in. x H 1 3/4
1/4 inch pipe threads
Rated load 12-volt DC 3.5 amp
1/4 inch push on male terminals
| PRICE $31.79 |
REPLACEMENT AIR STORAGE TANK
2.5 Liters
All-metal tank painted black to prevent rusting. Has a quality brass fittings
to ensure leak free installation. For use with standard 1/4" O.D.
high pressure hose.
Size: L8 in. x W 5 in. H 5-1/2" / 2.5 Liters
Same as above but larger for more capacity
Model 807-RT - Size: L13 in. x W 5 in. H 5-1/2" / 3.5 Liters
Model 808-RT - Size: L18 in. x W 5 in. H 5-1/2" / 5.5 Liters
| PRICE MODEL 806-RT $95.39 |
|
| PRICE MODEL 807-RT $105.59 |
|
| PRICE MODEL 808-RT $116.59 |
|

FLEXIBLE NYLON HIGH PRESSURE AIR HOSE
MODEL 802-H

The Model 802-H is ten foot length of durable, 1/4" O.D. nylon hose for installing air horns or replacing existing hose. For high pressure systems
| PRICE $14.99 |
|


TO PLACE ORDER CALL: 1-800-645-5808
Monday - Friday 8:00 A.M. thru 5:00 P.M. Eastern Standard Time