Factory-direct 4 station restroom trailers built for rental fleets, outdoor events, construction sites, public projects, and commercial sanitation operations.
Certified Quality & Compliance
The YRTrailer 4 Stall Restroom Trailer is designed for buyers who need a practical balance between restroom capacity, trailer mobility, and commercial durability. Compared with a 2 stall or 3 stall restroom trailer, the 4 stall model provides higher user capacity while still remaining easy to tow, place, service, and deploy across different projects.
This model is suitable for event suppliers, restroom trailer rental fleets, contractors, distributors, project owners, and commercial buyers who require a clean, private, and more comfortable restroom solution than standard portable toilets.
Each 4 stall restroom trailer can be built with four private rooms, individual exterior doors, flushing toilet options, sinks, mirrors, lighting, ventilation, flooring, water systems, waste systems, and region-specific electrical configurations.
Four private restroom rooms for better user flow, ideal for medium to large events.
Custom-built trailer body for repeated transport and field operation.
Optional market-specific configuration for USA, Canada, Australia, Europe.
Factory-direct purchasing with full private label and branding support.
Check the exterior doors, interior rooms, toilet and sink setup, plumbing access, electrical cabinet, and overall production quality before requesting a quote.
YRTrailer can arrange a live video meeting from our production workshop.
View the exterior details, door layout, rear view, side panels, chassis, stabilizer jacks, towing frame, and factory production finish of this 4 stall restroom trailer.
Front service side view with towing frame, chassis, side panel, and factory yard background.
Specifications can be adjusted according to your target market, usage scenario, road requirements, and preferred configuration. The following table shows common specification directions for a custom-built 4 stall restroom trailer.
| Product Name | 4 Stall Restroom Trailer |
|---|---|
| Trailer Type | Towable mobile restroom trailer / portable restroom trailer |
| Restroom Capacity | 4 private restroom stalls |
| Common Layout Options | 4 private unisex rooms / men & women layout / custom |
| Toilet Options | Flushing / ceramic / gravity / market-specific options |
| Sink Options | Corner / vanity / stainless steel / custom handwashing |
| Electrical System | 110V / 220V available according to target market |
| Water System | Fresh water tank, water pump, city water conn., hot water option |
| Waste System | Black water tank, grey water tank, waste discharge options |
| Interior Walls | Bamboo wood fiberboard or aluminum-plastic panel |
| Flooring Options | Vinyl, non-slip, commercial-grade waterproof flooring |
| Climate Options | Air conditioning, ventilation fan, heating option |
| Documentation Support | Export docs, VIN, WMI, DOT, ADR, CE, ISO9001 support |
| Recommended Capacity | Medium to high traffic applications |
| Tank Capacity | Custom fresh, grey, and black water tank configuration |
| Production Lead Time | Usually 30–45 working days depending on configuration |
| MOQ | 1 unit |
| Shipping Terms | FOB, CIF, DDP available depending on destination |
YRTrailer can adjust the floor plan based on user flow, gender separation, tank position, axle placement, and local road regulations.
Every project has different requirements. YRTrailer supports OEM/ODM customization from trailer structure to interior layout, system configuration, and exterior branding.
We understand the challenges of importing and operating commercial restroom trailers. Here is how we ensure a smooth process.
Hard to choose the right capacity.
A 4 stall trailer offers a practical middle-size solution. More capacity than 2-3 stall models, easier to tow and service than larger multi-stall units.
Ready-made trailers don't match local needs.
We support custom floor plans, electrical, plumbing, materials, doors, and branding according to your target country and scenario.
Worries about import docs & road rules.
We support export-ready production and provide VIN, WMI, DOT, ADR, CE, ISO9001-related support depending on the market.
Rental fleets need high durability.
Built with durable flooring, waterproof wall panels, service-friendly plumbing, and commercial-use interior materials to withstand repeated use.
Cannot inspect trailer before shipment.
We provide production photos, inspection videos, loading photos, and live factory video meetings to confirm details remotely.
Shipping procedures are confusing.
We support FOB, CIF, and DDP terms, along with export packaging, loading support, and document preparation for international buyers.
A 4 stall restroom trailer is a towable mobile restroom unit with four private restroom rooms built into one trailer body. It is designed for projects where standard portable toilets cannot provide the comfort, privacy, appearance, or sanitation level required by users. Commonly used for outdoor weddings, festivals, construction sites, rental fleets, and commercial projects.
Events focus on interior appearance and comfort. Construction sites focus on durability, easy maintenance, and larger tanks.
A 4 stall layout is perfect when 2 or 3 stalls aren't enough, but a 6 or 8 stall model is too large or hard to maneuver.
Select from four unisex rooms, men/women separated, urinal options, or vanity sink areas.
Trailer size, lighting, axles, electrical, and VIN/compliance vary by country. We help prepare export-ready configurations.
Match tank capacities to your service plan. Select waterproof flooring and easy-clean panels for commercial durability.

Provides cleaner, more private facilities for festivals and gatherings. Better guest experience than standard portables.

A strong fleet model serving a wide range of events. Broad market application with a practical balance of capacity and mobility.

Private restroom access for crews. Built with durable materials, larger tanks, HVAC, and easy-service systems.

Clean, organized mobile solutions for parks, emergencies, and infrastructure projects with full compliance documentation.

Temporary facilities for remote farms and harvest sites that can be easily moved, serviced, and support higher capacity.

Temporary expansion for venues, estates, and warehouses. Customized to match your visual standards and comfort levels.
Before shipment, YRTrailer can provide production photos, final inspection videos, loading photos, and export documents to help buyers confirm trailer details remotely.
Usage, Country, Quantity
Size & Floor Plan
Configuration, Export Terms & Production Schedule
Frame, Wall, Roof & Exterior
Toilet, Vanity, Flooring & Lighting
Plumbing, Power & Function Check
Photos, Videos & Buyer Confirmation
Protection, Loading & Documents
FOB, CIF or DDP Delivery
Explore other capacities and styles to find the perfect fit for your project.

Compact trailer for small events, private projects, and limited-space applications.
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Flexible model for small/medium events, commercial sites, and rental fleets.
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Higher user volume for rental fleets, construction sites, and large outdoor events.
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Accessible options for public events, government projects, and focused facilities.
View ModelTell us your usage, country, preferred layout, quantity, and customization needs. YRTrailer will help you confirm the right 4 stall restroom trailer configuration, floor plan, export terms, and production solution.
sales@yrtrailer.com
008615853637315
Qingzhou, Weifang, Shandong, China 261000
Send your required layout, target country, quantity, and reference image to YRTrailer on WhatsApp.
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