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3.5M Four-Room Portable Toilet Trailer – Efficient, Durable & Customizable

Trailer size:
3.5m (L) × 2.1m (W) × 2.55m (H)
Body Material:
Durable Fiberglass (White, customizable)
Axle Configuration:
Dual Axle, 4 Wheels (Aluminum Alloy Rims)
Voltage:
110V / 60Hz (US Standard)
Number of Compartments:
4 rooms
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3.5M Portable Toilet Trailer with 4 Private Rooms
3.5M Portable Toilet Trailer with 4 Private Rooms
3.5M Portable Toilet Trailer with 4 Private Rooms
3.5M Portable Toilet Trailer with 4 Private Rooms
3.5M Portable Toilet Trailer with 4 Private Rooms
Introduction
Parameter
Product Details
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Customer Cases
Introduction
3.5M Portable Toilet Trailer with 4 Private Rooms

The 3.5-meter portable toilet trailer is a premium mobile sanitation solution designed to meet the needs of both high-traffic public events and long-term service projects. Whether you're organizing a beach wedding, managing a park facility, or fulfilling a government tender, this unit delivers comfort, durability, and hygiene in one complete system.

Built for Function and Comfort

This four-room mobile restroom trailer features a high-strength fiberglass body with a stylish and functional interior layout. Each compartment is equipped with a foot-pedal flush ceramic toilet, a mirror, a washbasin, a soap dispenser, a tissue holder, and clothes hooks for convenience. The “Occupied” indicator and integrated LED lighting ensure privacy and visibility.

The floor is reinforced with bamboo plywood and covered in durable, waterproof vinyl. Optional upgrades include wood-textured flooring, ADA-compliant access ramps, and air conditioning systems.

Efficient Water Management

This unit includes a 700-liter clean water tank and a 1,000-liter sewage tank, both integrated into the trailer’s utility room. Water and waste levels can be monitored via built-in gauges, and the trailer includes direct inlets and outlets for fast connection to municipal water supplies and vacuum waste systems. This system is ideal for high-volume use, rental companies, and municipal sanitation applications.

Flexible Interior Materials

You can choose between two interior wall finishes:

  • Bamboo Fiber Panels (Gray only) – Textured and eco-friendly

  • Aluminum-Plastic Panels – Smooth finish with color customization

Cabinet doors are available in wood grain or white, while toilet partitions and doors feature a natural wood-style finish.

Custom Features & Upgrades

Customize your mobile restroom to meet your business needs. Available options include:

  • Air conditioning system with ducted vents to each room

  • Hot water system with mini heater

  • Solar power system

  • Baby changing table

  • Shower room conversion (optional)

  • External speakers and MP3 player

  • ADA ramp for accessible access

All trailers are equipped with standard mechanical brakes, brake lights, exterior side marker lights, RV-style jacks, and aluminum alloy wheels.

Ideal for Rentals and Public Projects

Designed for bulk rental use and government procurement, this model is fully compliant with U.S. and Canadian electrical standards (110V / 60Hz with standard plugs). It can be shipped in 40HQ containers, with wheels and axles removed for compact loading. Our mobile toilet trailers are widely exported to the United States, Canada, and Chile, supporting sanitation efforts at every scale.

Parameter
Product Specifications
Feature Details
Total Length 3.5 meters
Width & Height 2.1m × 2.55m
Number of Compartments 4 rooms
Clean Water Tank Capacity 700L
Sewage Tank Capacity 1000L
Toilet Type Foot-pedal flush ceramic toilets
Material Fiberglass body, bamboo or aluminum walls
Voltage 110V / 60Hz (US Standard)
Application Scenarios Weddings, Parks, Beaches
Target Buyers Rental fleets, dealers, public tenders

Ready to Customize Your Mobile Restroom?

Whether you need a single unit or a bulk order, we offer fast production, OEM/ODM support, and worldwide shipping. With over 14 years of experience in trailer manufacturing, our team ensures top quality and full customization support.

 Contact us today to get your free design layout and quotation within 24 hours.

Gallery
Product Gallery
CASES
Customer Cases
When choosing a portable restroom trailer, consider these add-ons to enhance your experience:
1. Air Conditioning: Keep the interior cool and comfortable, especially in hot weather.
2. Shower Room Setup: Add a shower for convenience, making it suitable for longer events or remote locations.
3. Solar Panels: Provide an eco-friendly power source, reducing reliance on generators or external electricity.
4. Water Heater: Ensure hot water is available for washing hands or showering, adding a touch of luxury.
5. Stainless Steel Wheels: Durable and rust-resistant, perfect for rough terrain or frequent relocations.
6. Retractable Stairs: Make entry and exit easier and safer, especially for guests of all ages.
These features can significantly improve the comfort and functionality of your portable restroom trailer.
Differences Between Portable Toilet Trailers
Portable Toilets are not one-size-fits-all. Here are some important factors to consider when selecting the right Portable Toilet trailer for your event:
1. Size: Portable Toilets come in various sizes, from small 2-station units to larger multi-station trailers. Choose a size that can comfortably accommodate your guest list. For smaller events, a 2-station trailer might suffice, while larger gatherings may require trailers with more stations.
2. Style:The style of the Portable Toilets trailer should match the theme of your event. Whether you’re hosting a rustic outdoor wedding or a chic corporate event, you can find a luxury bathroom rental that complements your aesthetic. Styles range from basic and functional to sophisticated and elegant.
3. Amenities:Amenities can vary widely between different Portable Toilet trailers. Basic models might include essentials like running water and lighting, while high-end trailers offer features like air conditioning, heating, sound systems, and premium toiletries. Consider which amenities are important for your event and fit within your budget.
When considering purchasing a Portable Toilet trailer, it's essential to find the perfect option that meets your specific needs. At ZZKNOWN, you can explore a wide range of Portable Toilet trailers tailored to various events and preferences. Whether it’s for a casual backyard party or a formal gala, there’s a trailer to match your requirements and ensure the comfort and satisfaction of your guests.
How Much Does a Portable Restroom Trailer Cost?
When considering the cost of purchasing a Portable Restroom Trailer, it's important to take several factors into account:
Type of Facility
The type of Portable Restroom Trailer you choose will significantly impact the cost. Here are some options to consider:
- Standard Restroom Trailers: These are the most basic and economical options. They provide essential functionality without any frills, making them a budget-friendly choice.
- Deluxe Restroom Trailers: These are more expensive but offer enhanced functionality and luxury features. They provide a higher level of comfort and amenities, making them ideal for upscale events.
Cost Considerations
- Standard Restroom Trailers: These are cost-effective and provide basic sanitation needs.
- Luxury Bathroom Trailers: These come at a higher price but offer a complete, upscale restroom experience with added amenities such as air conditioning, running water, and elegant interiors.
Beyond the Price
While cost is a significant factor, it's crucial to remember that the restroom experience can greatly influence the overall success of your event. Providing your guests with clean, comfortable, and well-equipped restrooms can leave a lasting positive impression.
Treating the restroom as an important part of your event planning will ensure that your guests have an unforgettable experience. Investing in high-quality portable restrooms demonstrates your commitment to their comfort and satisfaction.
How Many Toilets Are Needed for an Event of 500 People?
Having enough toilets is crucial when hosting an event. Here are some general guidelines to help you determine the right number of restrooms for your event:
General Guidelines
- Duration of the Event: If the event lasts up to four hours, a common recommendation is to provide one bathroom for every 50 guests.
Adjustments for Longer Events
- Longer Events: If your event lasts longer than four hours or involves a lot of food and drink, you should increase the number of units. As a rule of thumb, consider adding 15-20% more restrooms for extended events.
Special Considerations
- Mix of Male and Female Guests: Depending on the mix of male and female guests, you may need to adjust the number of restrooms accordingly, as women generally require more restroom facilities.
- Special Needs: Ensure you have adequate facilities for guests with disabilities and consider any specific needs your guests may have.
Comfort and Convenience
While cost is an important factor, the comfort and convenience of your guests should always be a priority. Investing in sufficient and well-equipped restrooms will contribute significantly to the success of your event.

By providing enough high-quality restrooms, you show your commitment to your guests' comfort, making your event a memorable and enjoyable experience for everyone.
Product
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Brake System: Mechanical brake
Power System 110 V / 60 Hz, U.S. standard outlets
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