{"@context":"https://schema.org","@type":"Product","name":"6 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES RVs for sale","offers":{"@type":"AggregateOffer","offerCount":6,"lowPrice":"54987.00","highPrice":"114644.00","priceCurrency":"USD","offers":[{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-outdoors-rv-manufacturing-back-country-series/8240c536-4857-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2026 Outdoors RV Back Country Series MTN TRX 20MKS,

Outdoors RV Back Country Series MTN TRX travel trailer 20MKS highlights:

Queen Wall Bed
Swing-Out 32\" TV
Full Bath
16' Awning

This versatile travel trailer is the perfect couple's unit! There is a front queen wall bed that can be put up each morning so you can dine at the fold down table/dinette. The full kitchen with a three-burner range and 12V refrigerator will let you make meals each day, and the residential sofa with built-in recliners are within a slide out for more space and comfort! And the sofa is in perfect view of the 32\" swing-out TV! You can relax outdoors in the evenings under the 16' awning, then head inside to wash up in the full bath before bed!

Each Back Country MTN TRX travel trailer by Outdoors RV is designed for camping off-grid plus you can go off-road, camp in national forest or even enjoy primitive style camping! Built with a custom-built cambered off-road HD chassis, Mountain Extreme thermal pane windows, 16\" Goodyear Endurance radial tires, plus more Climate Designed Four Seasons features allowing you to camp during any season. Some other standout features include a 24\" Xtra tall power tongue jack, an HD full fiberglass front cap, and a Cummins Onan 3.6k on-board LP generator to keep your adventures going. Some of the interior highlights include a Mountain Comfort premium mattress, an easy access Home Defense bed safe, vaulted radius ceiling that provides approximately 5\" of additional headroom for a spacious interior, a Bluetooth sound system, and LG solid surface kitchen countertops for style and easy care.

","itemCondition":"Used","priceCurrency":"USD","price":"54987.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-outdoors-rv-manufacturing-back-country-series/708847ce-2ea9-11f1-9d95-02ea7b77d8a7/","itemOffered":{"@type":"Thing","name":"2026 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2026 Outdoors RV Back Country Series MTN TRX 20MKS, Why We Chose This Back Country Series MTN TRX 20MKSWe selected this specific model because it represents the pinnacle of true off-grid freedom and rugged off-road capability for active couples. Built by Outdoors RV in the Pacific Northwest, the Back Country Series 20MKS is engineered specifically for remote primitive camping, national forests, and unpaved territory. The heart of its off-grid dominance is a built-in Cummins Onan 3.6kW LP generator, allowing you to run your entire electrical system anywhere wild trails take you. The clever floorplan maximizes interior space with a deep slide-out housing a residential sofa with built-in recliners, perfectly positioned across from a 32\" swing-out TV. Up front, a space-saving premium queen wall bed flips up effortlessly into the wall to reveal a spacious daytime dining area. Complete with a fully equipped gourmet kitchen with solid-surface countertops, a full rear bathroom, and a 16' power awning, this mountain-ready coach is purpose-built for rugged exploration without sacrificing residential comfort.

Highlights of this Unit:

Built-In Onan 3.6kW Generator: True boondocking self-sufficiency with an on-board LP generator that powers your entire rig far away from RV parks.

Custom Off-Road HD Chassis: Built tough with a cambered off-road frame, rugged 16\" Goodyear Endurance tires, and an HD fiberglass front cap to withstand backcountry trails.

Mountain Extreme 4-Season Design: Features advanced thermal pane windows and premium insulation barriers to keep you completely comfortable during freezing winters or scorching summers.

The Sumner RV DifferenceWhen you partner with Sumner RV, you are joining a 60-year legacy of integrity. As a family-run dealership hand-picked by the Nash family to carry on their tradition, we prioritize long-term customer relationships over transactional sales. To guarantee your absolute peace of mind, we invite new owners to spend their first night right here on our property along our year-round salmon creek ensuring you are 100% comfortable with every feature before you head out to see Mt. Rainier.

","itemCondition":"Used","priceCurrency":"USD","price":"66339.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-outdoors-rv-manufacturing-back-country-series/6783ae5d-f155-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2026 Outdoors RV Back Country Series MTN TRX 20MKS,

Outdoors RV Back Country Series MTN TRX travel trailer 20MKS highlights:

Queen Wall Bed
Swing-Out 32\" TV
Full Bath
16' Awning

Optional Equipment Installed On This Unit: 12V Heat Pad, Deluxe Power Vent Fans, FSI 600W Off-Grid Solar Package

","itemCondition":"Used","priceCurrency":"USD","price":"55990.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-outdoors-rv-manufacturing-back-country-series/31eb5bc7-f8fd-11f0-beaa-02c8259c7411/","itemOffered":{"@type":"Thing","name":"2026 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2026 Outdoors RV Back Country Series MTN TRX 20MKS,

Outdoors RV Back Country Series MTN TRX travel trailer 20MKS highlights:

Queen Wall Bed
Swing-Out 32\" TV
Full Bath
16' Awning

12V HEAT PAD FRESH WATER TANK; MAXX-AIR DELUXE VENT FANS (BED & BATH); FSI 600 WATT OFF-GRID ADVANCED SOLAR PKG (ADD 1 PANEL); FREIGHT; TAGS; VOLUME DISCOUNT","itemCondition":"Used","priceCurrency":"USD","price":"58995.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2026-outdoors-rv-manufacturing-back-country-series/101385cd-6171-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2026 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2026 Outdoors RV Back Country Series MTN TRX Titanium Series 26RPS,

Outdoors RV Back Country Series MTN TRX Titanium Series travel trailer 26RPS highlights:

Dual Opposing Slides
Patio Deck with Rail System
Dual Entry Bath
20' Awning

You'll love every minute spent in this cozy travel trailer. There is a rear patio deck with a rail system and stairs, along with a residential sliding glass door that leads to the rear living area. Your crew can play a game at the booth dinette or relax on the residential sofa with built-in recliners. If you're needing more sleeping space, just choose the optional sleeper sofa in place of the standard sofa. There are even optional TRX recliners if want that option as well! The fully-equipped kitchen includes everything you need to make meals each day, plus a 12V refrigerator and pantry for food storage. The flip-up counter will also come in handy when you need extra counter space. Head up front to find the dual entry bath and front master bedroom with a queen bed!

Each Back Country MTN TRX Titanium Series travel trailer by Outdoors RV is designed for camping off-grid plus you can go off-road, camp in national forest or even enjoy primitive style camping! There is a Lamilux HD 4000 high-gloss silver fiberglass exterior, sleek design frameless thermal pane windows, and a silver fiberglass front cap that gives these units a premium trim! You will also appreciate the Ground Control auto leveling and the wireless rear and side(s) turn camera system for hassle-free parking! The Mountain Lodge interior features hardwood throughout and all-leather designs, plus there are LG solid surface countertops, a premium memory foam mattress, and an upgraded shower head to name a few comforts!

","itemCondition":"Used","priceCurrency":"USD","price":"114644.00"}},{"@type":"Offer","url":"https://www.rvt.com/buy/details/2027-outdoors-rv-manufacturing-back-country-series/a56108de-6ae0-11f1-adcf-02f5bff6b341/","itemOffered":{"@type":"Thing","name":"2027 OUTDOORS RV MANUFACTURING BACK COUNTRY SERIES","description":"2027 Outdoors RV Back Country Series MTN TRX 20MKS,

Outdoors RV Back Country Series MTN TRX travel trailer 20MKS highlights:

Queen Wall Bed
Swing-Out 32\" TV
Full Bath
16' Awning

*All prices listed are starting rates and are subject to change based on selected options and customization. These units are not physically available for purchase at RVLeaders but are instead a representation of our customizable units that you can pre-order. Additional upgrades, features, and enhancements not shown here are available at an extra cost. Final pricing will vary depending on the specific selections made.

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