
Helpful tip to keep your hands clean from grease:
Slip a plastic sack over the king pin before installing the king pin lock, this will help stop grease sticking to the kingpin lock after each use.
Our king pin locks are a solid solution for trailer security and logistics control. They secure the king pin of semi-tractor trailers and prevent
trailer hookups when parked or in a drop location. The kingpin locks work on all 5th wheel type pins, including semi's and travel trailer fifth
wheels alike (RV trailers with fifth wheel hitches use the same basic pin as semi-trailers). Our kingpin locks are casted from ductile steel for
maximum strength and resistance.
These anti-theft devices stand out with brightly colored powder coating, allowing a driver to see that a king pinlock is attached before any
hitching occurs. Our king pin locks prevent unauthorized hookups to fifth-wheel trailers and give you the trailer control and security needed
in today's demanding and changing environments. Look to Carrier Security for all of your trailer security and trailer control needs.


The Spot-Flag is constructed from lightweight steel material
and is equipped with an orange safety ribbon (warning flag) .
This class of kingpin lock is commonly referred to as
Economy and most often used in staging trailers at remote
locations such as parking lots and interstate yards.
The Spot-Flag works to protect your valued cargo. With
trailer theft on the rise, you have to take trailer security
seriously these days. The Spot-Flag is based on a simple
design that has been around for several decades.
The safety flag makes this king pin lock really stand out.
Powdered coated in safety orange color, two keys per lock.
Because of economical pricing it is the kingpin lock of
choice with shippers for drop-off and remote lot usage.
Spot-Flag King Pin Lock Price Chart Below - Model #KP1103 Keyed Alike
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Trailer theft is on the rise!
Protect your trailers with
our king pin locks!
Distribution Centers are
the No. 1 location for
stolen cargo. Truck Stops
rank high but not as high
as the DC's and terminal
lots themselves.
Even terminal areas
considered "secure" are
not enough to stop protect
the trailers themselves -
let us help you reduce your
risks.
Theft of lower valued
goods has increased
dramatically in recent
years.
Monthly incidents the most
ever recorded in this past
year alone.

The Monster is a high security rated king pin lock. It's solid
construction incorporating a bottom spar bar will reduce the
chances of unauthorized coupling to the fifth wheel kingpin.
Closed-bottom cup design keeps your hands clean.
The heavy-duty keyway design offers a high manipulation
resistance rating. This keyway engages a solid steel
shackle that secures the Monster King Pin Lock into the
locked position.
Powdered-coated in Safety Yellow for optimum visibility, this
king pin lock really stands out when attached to the fifth
wheel pin mechanism. Three keys per lock.
If you want a heavy duty kingpin lock that will last for years,
this Monster of a kingpin lock is the one for you. The
Monster King Pin Lock = Superior Trailer Security!
Monster King Pin Lock Price Chart Below - Model #KP1002 Keyed Alike
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Carrier Security Corporation, All Rights Reserved 2013