Trailers can appear properly connected after a tug test but later detach during a turn, posing a serious safety risk.

Tug tests can be unreliable because they don't always reveal partial locking of the kingpin locking bar.

Severity

5Critical

Willingness to Pay

implied

Added

May 5, 2026

Workarounds Described

uses flashlight to visually check kingpin locking bar engagement

Implied Software Gaps

Sensor-based automated verification of kingpin lock engagement that replaces manual flashlight inspection

App Concept

KingpinLock Alert

A sensor-based system that verifies the kingpin locking bar is fully engaged before the driver can pull away. It provides an audible and visual confirmation, eliminating reliance on manual flashlight checks.

Key Features

Real-time locking bar position sensor
Audible and visual cab alert
Automatic prevention of vehicle movement if not locked
Works with standard fifth wheel couplings

Target Users: Truck drivers and fleet operators in the trucking and logistics industry, especially those hauling semi-trailers.

Revenue Model: $150 per unit hardware sale, optional $5/mo cloud monitoring subscription

Existing Solutions Mentioned

tug testflashlight inspection of kingpin

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