Driver cannot determine if adjusting trailer tandems by one hole will resolve a weight distribution issue while staying legal.

No simple tool to quickly calculate legal weight distribution based on tandem position adjustments.

Severity

2Mild

Willingness to Pay

none

Added

Jun 4, 2026

App Concept

TandemCalc Pro

A mobile app that lets drivers input axle weights and trailer specs, then simulates tandem position changes to show optimized weight distribution while maintaining legal limits. It provides instant feedback on how moving tandems by one hole affects each axle weight and overall legality.

Key Features

Input current axle weights (steer, drive, trailer)
Adjust tandem position by number of holes and see weight impact
Color-coded legality indicators for each axle
Save load configurations for future reference

Target Users: Truck drivers and fleet managers in trucking/logistics, especially those hauling heavy loads where precise weight distribution matters.

Revenue Model: Freemium with $4.99/month pro tier for unlimited saves and advanced analytics

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