Rossmonster Havn Motor Home Class B+ - Diesel RVs For Sale
The new Havn is Rossmonster's most spacious unit to date, while still offering off-road capability and hassle-free drivability! This Class B+ diesel van sits on the trusted Mercedes 3500 Sprinter cutaway chassis, with a 4-cylinder turbo diesel engine to power your adventures both near and far!
You'll find the largest garage space in the Class B industry, allowing you to bring along more gear and even two bikes, plus there are rear Molle panels outside, along with an electric awning, an exterior shower, and a spare tire with a carrier. The impressive storage space continues on inside with massive upper and lower cabinets, Rossmonster's largest refrigerator/freezer, and a spacious wet bath with its own sink included!
Find your true haven with the Havn Class B+ diesel van by Rossmonster!
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Havn Std. Model
Rossmonster Havn Class B+ diesel motorhome Std. Model highlights: Wet Bath with ... more about Havn Std. Model
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Specifications
Sleeps 2 Length 24 ft Ext Width 7 ft 1 in Ext Height 10 ft 8 in Int Height 6 ft 8 in Exterior Color Stone Grey GVWR 9600 lbs Fresh Water Capacity 40 gals Grey Water Capacity 16 gals Black Water Capacity 5 gals Fuel Type Diesel Engine 4-Cylinder Turbo Diesel Chassis Mercedes 3500 Sprinter Cutaway Fuel Capacity 24.5 gals Wheelbase 170 in Available Beds Queen Refrigerator Type 220L Refrigerator/Freezer Cooktop Burners 2 Number of Awnings 1 TV Info Flat Screen TV Awning Info Electric Shower Type Wet/Bath Shower Solar Wattage 880 watts Similar Floorplans
Havn Features:
Standard Features (2025)
General
- Sleeping Capacity: Up to 5 (with pop top tent)
- Riding Capacity: Up to 4
- Mercedes 3500
- 4-cylinder turbo Diesel
- 24.5 Gallons of Diesel
- Stone Grey
- Mercedes Sprinter 170" Cutaway Chassis
Interior
- Corian white countertops
- White walls and ceiling
- Queen-size murphy bed with 270-degree windows
- 16” X 21” sink
- Massive upper and lower cabinet storage in white oak
- Table with versatile lagun mounting system
- Front convertible seating for use with lagun table
- 40-gallon freshwater tank
- Exhaust fan
- Four season insulation
- Hydronic in-floor heating
- Hot water system
- Integrated blackout window covers
- Overhead skylight
- Seat belts for 4
- Flat screen TV
Exterior
- Electric awning
- Fresh water connection
- Heavy duty shore power inlet
- 16-gallon grey tank
- Starlink wire prepped
- 2-inch hitch included
Kitchen
- 220L refrigerator/freezer (our largest setup)
- Brevill microwave/air fryer/oven
- Dual induction cooktop
- Sink with folding faucet
Bath
- Exterior hot water shower
- Full wet bath with sink and exterior vent
- Thetford cassette toilet (5-gal)
- Diesel-fired water heating system
Energy System
- 12V AC unit
- Secondary alternator
- 880 W walkable solar array
- 1000 AH lithium
- 3000 W inverter
- Garmin digital control/monitoring panel
Safety
- Smoke/CO detector
- Fire extinguisher
Dimensions
- Standing height: 80"
- Bed Length: 80"
- Bed Width: 59"
- Garage height 39"
- Total Exterior length: 24' 0"
- Total Exterior Width: 85"
- Driving height: 10' 8"
- Weight: 9600 lbs.
HAVN Features
- Spare tire with carrier
- Rear Molle Panels
- Exterior storage cabinets
- Rear water-tight garage, fits two bikes.
- Super single wheel conversion.
- Optional Roof Top Tent Available
- Shell Structure: Made using a composite sandwich system. The outer and inner skins consist of fiberglass-reinforced polymer (FRP) panels with a high-density expanded polystyrene (EPS) foam core, creating a lightweight, rigid, and thermally efficient shell
- Walls, Roof, Floor: All panels—walls, roof, and floor—are this composite sandwich. There is no wood framing anywhere. Floors use a composite fiberboard (not plywood), which offers high strength at minimal weight.
- Our 2" wall panel system offers ~R10 insulation
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
Manu-Facts:
OUR MISSION
Internally, we set out to create the kind of company that our friends and family would be happy working at and proud to be working for. Externally, our goal is to create products that wow – not only because they look cool, but because of the clear attention to detail, purpose, and quality.
OUR VISION
We pride ourselves on our innovative approach and the quality of our end product. We aim to continue to deliver an exceptional product, an industry-leading warranty, and top-notch ongoing service to our family of Rossmönster owners, while also continuing to innovate and push the envelope on what’s possible in the world of overland vehicles.
OUR COMMITMENT
When it comes to our process and supplies, we’re committed to keeping our build process in-house and sourcing products from within the USA (and within CO whenever possible). When it comes to our products, we’re committed to the highest quality standards. When it comes to our clients, we’re committed to approaching each relationship as an ongoing partnership, providing education and guidance where appropriate, listening and designing for each unique use case, and most importantly, making the process enjoyable for all parties involved.



