IWH 010240 Trailer Lock for Box Trailers — Security Lock, Model 010240

The IWH 010240 trailer lock for box trailers is a mechanical security device designed to secure rear doors and access points on closed trailers. It fastens to the trailer door structure to prevent unauthorized opening and provides a visible, robust deterrent against tampering. The lock is intended for use where a durable, low-maintenance solution is required to protect transported goods and restrict access during storage or transport.

Advantages

The lock offers straightforward mechanical protection without reliance on electronics or batteries, reducing points of failure. Its compact design allows installation on a variety of box trailer door profiles while maintaining a low profile that resists pry attempts. The construction is intended for repeated daily use and to withstand typical outdoor exposure when installed correctly.

Suitable for

Key specifications

How to use

Position the lock on the trailer door so that the latch engages the door frame and prevents inward movement. Secure the lock using the recommended fasteners through the mounting points and ensure alignment for smooth operation. If the design accepts a padlock, insert and close the padlock through the locking eye; if it uses an integrated cylinder, operate the key mechanism according to manufacturer instructions. Verify that the door cannot be opened after locking and check periodically for loosened fasteners or corrosion.

Recommendations

Install the lock on a clean, structurally sound part of the door or frame and use corrosion-resistant fasteners. For best results, pair the lock with a quality padlock or cylinder rated for outdoor security, and perform routine inspections to ensure continued mechanical function and secure attachment.