The TAXA Mantis X is one of the most thoughtfully engineered off-road travel trailers on the market today. Built by TAXA Outdoors — a company founded by former NASA architect Garrett Finney — the Mantis X takes aerospace-inspired habitat design and puts it on wheels. At 19 feet long and just 3,746 pounds dry weight, it’s towable by most midsize SUVs yet packs a full wet bath, galley kitchen, sleeping for four-plus adults, and a Cruisemaster independent suspension system that can handle serious off-road terrain. What sets the Mantis X apart from other overland trailers in its price range isn’t just the spec sheet — it’s how every square inch has been designed around the idea that a shelter should connect you to your environment rather than seal you off from it. The panoramic windows, the pop-top roof, and the indoor-outdoor flow all reflect that philosophy.
Images © TAXA Outdoors
Built for the Trail: Off-Road Suspension and Chassis
The Mantis X rides on a powder-coated steel chassis fitted with Cruisemaster CSR2 independent coil suspension and electric brakes — the same suspension platform trusted by serious overlanders in the Australian outback. The 16-inch steel wheels wear 265/70R16 all-terrain tires (with a full-size spare included), giving the trailer genuine capability on forest roads, desert tracks, and rocky mountain passes.
The Cruisemaster DO35 Plus hitch coupling provides 35 degrees of articulation in all directions, which means the trailer follows your tow vehicle’s line through uneven terrain rather than fighting it. Four stabilizer jacks and a 1,500-pound swivel tongue jack make leveling at camp straightforward even on sloped ground. At 3,746 pounds dry weight with a 1,754-pound cargo capacity, you have serious room to load gear without pushing your tow vehicle to its limits.
Images © TAXA Outdoors
Exterior Design and All-Terrain Capability
From the outside, the Mantis X has a distinctive profile that’s immediately recognizable — angular, purposeful, and unapologetically rugged. The hard-shell pop-top roof is a defining feature: it raises to provide full standing height inside (critical for a trailer this compact) while dropping flush for a low-profile tow. The exterior also includes an outdoor shower with a flexible hose, giving you a way to rinse off trail dust without tracking it inside.
The approach and departure angles are designed for real off-road use, not just gravel campground roads. TAXA engineered the undercarriage clearance and wheel placement specifically to handle rough terrain without bottoming out — a detail that separates purpose-built overland trailers from conventional travel trailers with cosmetic upgrades.
Images © TAXA Outdoors
Interior Layout: Open, Bright, and Functional
Step inside and the Mantis X immediately feels larger than its footprint suggests. The panoramic windows flood the cabin with natural light, and the pop-top ceiling eliminates the cramped, cave-like feeling common in trailers this size. The layout follows an open floor plan where the living area, kitchen, and sleeping zones share the same space but can be reconfigured depending on what you need at any given moment.
The interior materials are chosen for durability over decoration — HPL countertops, aluminum framing, and surfaces that can handle mud, water, and hard use without showing wear. This is a space designed for people who actually use their gear rather than babying it.
Images © TAXA Outdoors
Wet Bath with Standing Room for 6’6″
One of the Mantis X’s most impressive features for its size class is the enclosed wet bath. The shower accommodates users up to 6 feet 6 inches tall — a rarity in compact travel trailers where bathrooms are often an afterthought. A cassette toilet keeps things self-contained (no need for dump stations), and the wet bath design means the entire bathroom doubles as the shower stall, maximizing the usable footprint.
The exterior shower with flexible hose provides a second option for rinsing off after hikes or beach days, which means you can save your fresh water tank (17 gallons) for interior use and rely on the outdoor setup for quick rinses.
Images © TAXA Outdoors
Full Galley Kitchen with Climate Control
The galley kitchen punches above its weight with a 2-burner stove (with hinged lid for extra counter space when not cooking), a sink with its own hinged lid, and an HPL countertop that can handle hot pots and rough use. A dedicated cooler platform keeps your food storage accessible but out of the prep zone, and the included 16-gallon trash can is a thoughtful detail that most trailer manufacturers overlook entirely.
Climate control comes via an 8,000 BTU air conditioner on 110V shore power and a Truma Combi Eco furnace that handles both heating and hot water from a single unit. The Truma system is a European-designed unit favored by overlanders worldwide for its reliability and efficiency — it means you can camp comfortably in everything from desert heat to mountain cold.
Images © TAXA Outdoors
Sleeping Configurations for Four-Plus Adults
The Mantis X sleeps four adults comfortably through a combination of a full-size bed and a bunk system. The main bed area is genuinely sized for two adults (not the “technically a double” dimensions that plague many compact trailers), and the bunk system provides real sleeping surfaces for two more. If you add the optional rooftop tent, you can accommodate an additional two to three people — making this a legitimate option for families or groups.
The sleeping areas convert during the day so the interior functions as a living space rather than just a bedroom on wheels. This convertibility is where the NASA habitat design influence shows most clearly: every surface has multiple functions, and the transitions between configurations are intuitive rather than requiring an engineering degree.
Images © TAXA Outdoors
Storage Systems: 21 Cubic Feet Under the Bed
Storage in a 19-foot trailer is always a compromise, but the Mantis X handles it better than most. The under-bed storage area provides 21 cubic feet of enclosed space — enough for camp chairs, a portable grill, firewood, and gear bins. Additional storage is distributed throughout the cabin in overhead compartments and purpose-built cubbies that keep daily essentials within arm’s reach.
The key insight in the storage design is accessibility. Unlike trailers where you need to disassemble the bed or crawl into awkward compartments, the Mantis X storage points are designed so you can grab what you need without a production. When you’re setting up camp after a long drive, this kind of thoughtful engineering makes a real difference.
Images © TAXA Outdoors
Flexible Space and Modular Configuration
The Mantis X interior can be reconfigured to prioritize whatever your trip demands — more living space during the day, maximum sleeping capacity at night, or a gear staging area when you’re running a base camp. The modular approach means the trailer adapts to you rather than forcing you into a fixed layout.
This flexibility extends to the power system. The battery compartment accepts two Group 24 batteries, with a Victron 75/15 SmartSolar charge controller and Victron BMV-712 smart voltmeter providing real-time monitoring and efficient charging. The pre-wired solar input means adding panels is plug-and-play rather than a rewiring project. For overlanders who want to camp off-grid for extended periods, this power system foundation is ready to scale up.
Images © TAXA Outdoors
NASA Heritage: Habitat Design That Works
TAXA Outdoors was founded by Garrett Finney, an architect who spent years working on habitat design at NASA. That background isn’t marketing fluff — it fundamentally shapes how every TAXA product approaches the problem of human comfort in compact, mobile spaces. The Mantis X reflects aerospace principles like maximizing volume-to-weight ratios, designing for multiple failure modes, and prioritizing the psychological well-being of occupants through natural light and visual connection to the outdoors.
The panoramic windows, the pop-top roof that opens the space vertically, and the indoor-outdoor transition zones all come directly from research into what makes confined spaces feel livable over extended periods. It’s the difference between a trailer designed by an RV manufacturer optimizing for a price point and one designed by someone who studied how humans actually behave in small shelters.
Images © TAXA Outdoors
Connection to the Outdoors
Perhaps the Mantis X’s greatest strength is how it blurs the line between inside and outside. The oversized windows, the pop-top ventilation, and the outdoor shower all reinforce the idea that this trailer is a base camp — not a sealed box you retreat into. When the weather cooperates, the interior opens up to the surrounding landscape in a way that fixed-roof trailers simply cannot match.
This philosophy extends to the overall ownership experience. The Mantis X is light enough and capable enough to reach campsites that larger RVs and conventional trailers can’t access, which means you’re spending your time in better locations rather than competing for hookup spots in crowded campgrounds.
Images © TAXA Outdoors
Design Details
- Length: 19 feet
- Dry Weight: 3,746 lbs
- Cargo Capacity: 1,754 lbs
- MSRP: $53,450
- Sleeping Capacity: 4+ adults (full bed + bunk system; rooftop tent optional for 2-3 more)
- Fresh Water: 17 gallons
- Grey Water: 22 gallons
- Under-Bed Storage: 21 cubic feet
- Suspension: Cruisemaster CSR2 independent coil with electric brakes
- Hitch: Cruisemaster DO35 Plus (35° articulation)
- Tires: 265/70R16 all-terrain on 16″ steel wheels + full-size spare
- AC: 8,000 BTU (110V shore power)
- Heating: Truma Combi Eco furnace + water heater
- Power: Battery compartment for 2× Group 24 batteries, Victron 75/15 SmartSolar charge controller, Victron BMV-712 voltmeter, pre-wired solar input
- Kitchen: 2-burner stove with hinged lid, sink with hinged lid, HPL countertop, cooler platform
- Bathroom: Enclosed wet bath, cassette toilet, interior shower (6’6″ clearance), exterior shower with flexible hose
- Chassis: Powder-coated steel with quad stabilizer jacks and 1,500 lb swivel tongue jack
- Manufacturer: TAXA Outdoors (founded by former NASA architect Garrett Finney)
What Makes This Build Special
- NASA heritage is real, not marketing: Founder Garrett Finney’s aerospace habitat experience directly influenced the layout, materials, and human-factors design of every TAXA product
- Genuine off-road capability: The Cruisemaster CSR2 suspension, all-terrain tires, and engineered approach angles make this a trailer you can actually take off-pavement — not just to a gravel campground
- Wet bath with real headroom: A shower that accommodates 6’6″ users in a 19-foot trailer is exceptional engineering — most competitors in this size class either skip the bathroom or make it unusable for anyone over 5’10”
- Scalable power system: The Victron charge controller and pre-wired solar input mean you can start with basic battery power and upgrade to a full solar setup without rewiring
- Weight-to-capability ratio: At 3,746 lbs dry, the Mantis X is towable by vehicles like the Toyota 4Runner or Ford Bronco — you don’t need a heavy-duty truck to access serious overland camping
- Indoor-outdoor design philosophy: The pop-top, panoramic windows, and outdoor shower reflect a fundamentally different approach than conventional trailers that prioritize sealing you inside
- Truma Combi Eco heating: A single European-engineered unit handles both cabin heat and hot water, saving weight and space while providing four-season capability
Learn More
To explore the full specifications, configuration options, and current pricing for the TAXA Mantis X:
- TAXA Outdoors website: taxaoutdoors.com/products/mantis-x
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