Your fleet is full of revenue generating superstars—and every superstar needs the right support to keep performing at the top of their game. Just like Robin to Batman, COHSI is proud to introduce the COHSI Sidekick™, a powerful utility solution designed to extend capabilities, reduce downtime, and maximize revenue across your restroom trailer and sanitation fleet.
The COHSI Sidekick is purpose-built to handle fresh and waste water management with simplicity, durability, and reliability at its core. With a 250-gallon fresh water tank and a 300-gallon waste water tank, the Sidekick delivers serious capacity in a compact, transport-friendly footprint.

Unlike traditional systems, the Sidekick eliminates one of the most common points of failure: there is no mechanical sewage pump. Instead, the unit features 3-inch sewage inlet and outlet ports for efficient gravity-based waste handling, reducing maintenance costs and keeping your equipment working when you need it most. A 1-1/2-inch fresh water fill and on-board fresh water transfer pump ensure fast, reliable water delivery wherever your job takes you.
Built for real world jobsite conditions, the COHSI Sidekick measures 101″ L x 60″W x 45″H and includes forklift pockets for easy transport. A single 15-amp, 110V power supply keeps operation simple, while the super-heated utility space and tank cavities provide dependable performance even in cold-weather environments.
Durability is a hallmark of every COHSI product, and the Sidekick is no exception. It features a heavy-duty aluminum base support and a durable all-fiberglass exterior, built to withstand years of demanding use. Operators benefit from a waste tank level gauge, fresh and waste tank capacity alarms with both audio and visual alerts, and a power failure indicator light, ensuring confidence and control at all times.
The COHSI Sidekick isn’t just an accessory—it’s a strategic upgrade. By increasing flexibility, minimizing service interruptions, and simplifying water management, it helps your fleet do what it does best: generate revenue.
Because even the best heroes need the right sidekick.
For more information about the COHSI Sidekick™, contact COHSI.com or email us at: info@cohsi.com