Cargobull North America TRUs

Hybrid power. Built-in telematics. Available exclusively on Utility 3000R^® refrigerated trailers, and available in Michigan at Royal Truck & Utility Trailer.

Call 248-773-3788 for More Information.

Power Meets Precision for Michigan Fleets

When reliability and performance are essential, Cargobull North America TRUs deliver for Michigan. Hybrid power, precise temperature control, and advanced telematics — available exclusively on Utility’s 3000R^® refrigerated trailers — built for summer produce runs out of West Michigan and sub-zero hauls up I-75 alike.

One integrated system connects the trailer, cooling unit, and telematics for smarter operation and less downtime — built for the fleets that keep Michigan supplied: produce, dairy, beverage distribution, grocery, food service, and pharmaceuticals.

Distributed in Michigan by Royal Truck & Utility Trailer — six locations and 50+ service bays statewide, so support is never far from your routes.

Cargobull TRU Features:
Fuel Savings, Emissions, and Quiet Operation

Experience one of the most advanced TRU technologies on Michigan roads.

Hybrid Power. Real Savings.

Achieve up to 10% improved fuel economy with hybrid diesel-electric performance. The savings add up fast on statewide routes.

Zero Local Emissions.

Optional shore power cuts fuel use and idle emissions at the dock while meeting CARB “Evergreen” compliance standards.

Quiet and Efficient.

Noise-reducing intakes and components keep early-morning deliveries neighborhood-friendly, from downtown Detroit to Up North.

Simplified Maintenance.

Front-facing filters, modular construction, and corrosion-resistant materials built to shrug off Michigan winters and road salt.

Always Connected.

Integrated UTILITY TrailerConnect™ telematics provide live data, temperature monitoring, and maintenance alerts anywhere in the state.

Fewer Defrost Cycles.

Up to 50% fewer defrosting cycles mean greater energy savings and continuous cooling output, critical through freeze-thaw season.

How Do Hybrid Reefer Units Work? Diesel + Solar in One TRU

Every Cargobull TRU is a hybrid — it’s not an add-on package or a premium trim. Each unit pairs a fuel-efficient common rail diesel engine with an integrated 65-watt solar panel and battery system, drawing power from fuel or sun as conditions allow — yes, even under Michigan’s cloudy skies. The result:

Lower fuel consumption and operating costs on every route, from cross-state lanes to city multi-stops
No diesel particulate filter (DPF) or EGR valve to maintain. Meaning fewer service interruptions during your busiest hauling seasons.
A slim-line, lower-weight profile that improves aerodynamics and tractor weight distribution, so the whole rig runs more efficiently, not just the reefer unit

TrailerConnect™ Telematics: See Everything. Fix Problems Before They Cost You.

The UTILITY TrailerConnect™ UTC-TABS8PRO system is the central nervous system of every Cargobull-equipped 3000R — included, not optional. From the portal or app:

See trailer location and monitor temperatures in real time
Get proactive shutdown alerts and ABS error codes before small issues become claims
See how long doors have been open — the #1 hidden cause of loads not holding temp
Stream data directly into industry-standard fleet management, TMS, and ERP platforms
Stay connected via the integrated solar panel and AGM battery — with five years of TrailerConnect™ service included

Try a Cargobull TRU with a 30 Day Demo in Michigan

Royal Truck & Utility Trailer offers a 30 day Cargobull demo program, so Michigan fleets can run the unit on their own routes before they buy. Completed demo surveys come back with the same themes every time: quieter operation, improved fuel efficiency, and zero fault codes or downtime.

Or call 248-773-3788 for More Information.

Refrigerated Trailers for Michigan's Cold Supply Chain.

From Produce to Pharmaceuticals Transportation

From orchard runs and dairy routes to statewide grocery and food service distribution, Michigan fleets haul some of the most temperature-sensitive freight on the road. Cargobull-equipped Utility 3000R^® trailers are built for all of it:

Produce

steady temps and airflow from West Michigan farms to market, even in peak summer

Dairy

tight temperature control and reliable pull-down for high-turnover routes

Beverage distribution

efficient multi-stop cooling that handles constant door openings

Grocery

single- or multi-temp configurations for mixed loads on one trailer

Food service

dependable performance across frequent deliveries and tight schedules

Pharmaceuticals

precise set points with TrailerConnect™ temperature records for every load

Reefer Unit Design Features That Extend Equipment Life

Every feature supports efficiency and uptime.

Aerodynamic slim-line profile for reduced drag
Belt-free generator drive for quieter operation
65-watt solar panel to maintain telematics power — inclined to shed Michigan snow and ice, mounted below the roof line to prevent impact damage
Shore-power safety lockout: parking brakes engage while shore power is flowing and can’t release until it’s disconnected — no pulling away from the dock while plugged in

Each innovation helps extend equipment life and optimize fuel savings.

Cargobull TRU Warranty and Service Coverage in Michigan

Every Cargobull-equipped Utility 3000R^® includes:

A 5-year limited warranty
Up to 12,500 engine-hour coverage
Five years of UTILITY TrailerConnect™ telematics
Optional extended service plans for additional protection

Dependable performance, lasting value, and confident ownership come standard.

Questions Michigan Businesses Have About Cargobull TRU

How does the Cargobull hybrid system decide what powers the unit: diesel, solar, or shore power?

A Cargobull TRU runs primarily on its fuel efficient common rail diesel engine. The integrated 65 watt solar panel and AGM battery keep telematics powered and reduce electrical draw. At the dock, optional 480V shore power takes over completely and delivers 100% cooling performance with zero local emissions and no fuel use.

What are the shore power requirements for a Utility 3000R with a Cargobull TRU?

Every Utility 3000R® with a Cargobull TRU includes a fully embedded, industry standard 480V power receptacle at the rear of the trailer. For safety, the parking brakes engage while shore power is flowing and cannot release until power is disconnected. The trailer stays put at the dock.

Will TrailerConnect telematics integrate with the fleet software I already use?

Yes. The UTILITY TrailerConnect™ portal and app stream telematics data directly to industry standard fleet management platforms, transportation management systems (TMS), and ERP software. Temperature history, door events, and maintenance alerts land where your dispatch team already works.

What is the difference between the 625 Hybrid and the 655MT Hybrid, and which one fits deep freeze loads?

The 625 Hybrid is a single temperature TRU for uniform loads. The 655MT Hybrid manages multiple temperature zones for mixed loads. Talk to a local Michigan salesperson before you spec, and we’ll match the model to your freight the first time.

Does the solar panel work through a Michigan winter?

The 65 watt solar panel sits at an incline to shed snow, ice, and pooled water. It mounts below the roof line to protect it from impact damage. Combined with the AGM battery, it keeps telematics communication running through every Michigan season.

What maintenance does a Cargobull TRU need, and who can service it in Michigan?

Cargobull TRUs are built for simple maintenance. All filters sit on the front face of the engine, the modular bolted construction speeds repairs, and there’s no diesel particulate filter (DPF) or EGR valve to maintain. Royal Truck & Utility Trailer services trailers equipped with Cargobull TRUs at more than 50 service bays across Michigan, with maintenance packages up to 5 years or 12,500 engine hours.

Why does CARB Evergreen compliance matter for Michigan fleets?

CARB Evergreen status means the Cargobull TRU carries lifetime ultra low emission (ULETRU) compliance. There’s no compliance clock to manage if your lanes run into California or other states that adopt CARB standards. It also helps protect resale value as emissions regulations expand.

Keep Your Fleet Rolling with Royal

Read the Latest from The Haul Report

See what’s new in refrigerated hauling — insights from the Royal team.

Trailer Parts In Stock

Genuine trailer parts across Michigan, ready to ship or install same-day.

Expert Trailer Service

50+ service bays statewide to keep your reefer running at temp, season after season.

Custom Upfitting

Spec your trailer your way — custom upfitting built around how your fleet works.

Models Built to Perform

625 Hybrid –Single-Temperature Hybrid TRU
655MT Hybrid –Multi-Temperature Hybrid TRU

Designed for continuous performance across temperature-sensitive hauls including food, medical, and high-value goods.

Smart by Design