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    1. Home
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    3. 2021 Heartland Big Country 3702FB

    2021 Heartland Big Country 3702FB

    UsedFifth wheel|Stock #23010984|Located at Campers Inn RV in Tucson, AZ
    $39,998$54,998
    Save $15,000
    RV Envy

    2021 Heartland Big Country 3702FB

    Used · Fifth wheel

    $39,998$54,998Save $15,000

    Campers Inn RV – Tucson

    3200 E Irvington Rd

    Tucson, AZ 85714

    (520) 482-3568

    Stock #23010984

    2021 Heartland Big Country 3702FB floor plan

    Specifications

    Length43 ft 1 in
    Dry weight13,500 lbs
    Sleeps4 people
    Slideouts3

    Full specifications

    AC BTU30000 btu
    Available BedsKing
    Awning Info18'
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity84 gals
    Cargo Capacity2702 lbs
    Convection CookingYes
    Cooktop Burners3
    Dry Weight13500 lbs
    Electrical Service50 amp
    Ext Height13 ft 3 in
    Ext Width8 ft
    Fresh Water Capacity65 gals
    Furnace BTU40000 btu
    GVWR16250 lbs
    Grey Water Capacity84 gals
    Hitch Weight2930 lbs
    LP Tank Capacity30 lbs
    Length43 ft 1 in
    Number of Awnings1
    Number of LP Tanks2
    Refrigerator Size20 cu ft
    Shower TypeShower w/Seat
    Sleeps4
    Slides3
    Tire Size16"
    Washer/Dryer AvailableYes
    Water Heater Capacity12 gal

    Options and equipment may differ from those listed. We do our best to ensure accuracy, but please confirm all details with the dealer before purchase.

    Get more info

    2021 Big Country 3702FB

    2021 Big Country 3702FB
    I'm interested in
    Preferred contact method
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    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.

    Dealer information

    Campers Inn RV – Tucson

    3200 E Irvington Rd
    Tucson, AZ 85714
    (520) 482-3568

    Used 2021 Heartland Big Country 3702 FB Fifth Wheel – Luxurious Living with Country Tough Construction

    Experience spacious, comfortable, and adventure-ready living with this used 2021 Heartland Big Country 3702 FB fifth wheel. Designed for families or couples who love extended travel, this unit combines residential comforts with durable construction, ensuring both luxury and reliability wherever the road takes you.

    Featuring a king-size bed, rear living area, and a full kitchen with an island, the 3702 FB is perfect for entertaining, relaxing, and making memories with family and friends.

    Highlights & Key Features

    • King Bed in Private Front Bedroom – Rest comfortably with ample storage and wardrobe access

    • Full Bathroom + Half Bath – Convenient for families and guests, located next to the bedroom and kitchen

    • Kitchen Island – Extra counter space for meal prep and serving

    • Upgraded Appliance Package – High-quality appliances to make cooking a pleasure

    • Large Pantry – Plenty of room for snacks, dry goods, and essentials

    • Dining & Living Area – Free-standing dinette for meals, rear tri-fold sleeping sofa, and theater seating for relaxation

    • Stor-Mor Storage System – Three-sided basement access with 30% more capacity for all your gear

    • Heavy-Duty Chassis – Dual 7,000 lb. Dexter EZ lube axles, Nev-R-Adjust brakes, and MORryde 3000 suspension system with leaf springs and wet bolt kit

    • Dual Whisper-Quiet A/C System – 30,000 BTUs to stay cool on hot summer days

    • Big Country Welcome Home Entrance – Zero-gravity entrance step, oversized grab handle, and ultra pro door handle for easy access

    • Large Exterior Storage – Keep outdoor gear and travel essentials organized and accessible

    Luxury Meets Durability

    The 3702 FB’s layout is designed for both comfort and functionality. The front king bed and dual bathrooms offer privacy and convenience, while the rear living area and kitchen island create a social space for meals, entertainment, and relaxation. Coupled with the rugged construction and advanced suspension, this fifth wheel ensures a safe and smooth ride to every destination.

    Why Buy from Campers Inn RV Tucson

    • Trusted nationwide RV dealer with decades of experience

    • Tucson-based team familiar with Southwest travel and camping conditions

    • Thoroughly inspected pre-owned inventory for confidence and peace of mind

    • Competitive pricing and flexible financing options

    • Full-service support before, during, and after your purchase

    For families or couples seeking a spacious, feature-rich fifth wheel that blends luxury, convenience, and durability, this used 2021 Heartland Big Country 3702 FB is ready for your next adventure.

    Used 2021 Heartland Big Country 3702 FB Fifth Wheel – Luxurious Living with Country Tough Construction

    Experience spacious, comfortable, and adventure-ready living with this used 2021 Heartland Big Country 3702 FB fifth wheel. Designed for families or couples who love extended travel, this unit combines residential comforts with durable construction, ensuring both luxury and reliability wherever the road takes you.

    Featuring a king-size bed, rear living area, and a full kitchen with an island, the 3702 FB is perfect for entertaining, relaxing, and making memories with family and friends.

    Highlights & Key Features

    • King Bed in Private Front Bedroom – Rest comfortably with ample storage and wardrobe access

    • Full Bathroom + Half Bath – Convenient for families and guests, located next to the bedroom and kitchen

    • Kitchen Island – Extra counter space for meal prep and serving

    • Upgraded Appliance Package – High-quality appliances to make cooking a pleasure

    • Large Pantry – Plenty of room for snacks, dry goods, and essentials

    • Dining & Living Area – Free-standing dinette for meals, rear tri-fold sleeping sofa, and theater seating for relaxation

    • Stor-Mor Storage System – Three-sided basement access with 30% more capacity for all your gear

    • Heavy-Duty Chassis – Dual 7,000 lb. Dexter EZ lube axles, Nev-R-Adjust brakes, and MORryde 3000 suspension system with leaf springs and wet bolt kit

    • Dual Whisper-Quiet A/C System – 30,000 BTUs to stay cool on hot summer days

    • Big Country Welcome Home Entrance – Zero-gravity entrance step, oversized grab handle, and ultra pro door handle for easy access

    • Large Exterior Storage – Keep outdoor gear and travel essentials organized and accessible

    Luxury Meets Durability

    The 3702 FB’s layout is designed for both comfort and functionality. The front king bed and dual bathrooms offer privacy and convenience, while the rear living area and kitchen island create a social space for meals, entertainment, and relaxation. Coupled with the rugged construction and advanced suspension, this fifth wheel ensures a safe and smooth ride to every destination.

    Why Buy from Campers Inn RV Tucson

    • Trusted nationwide RV dealer with decades of experience

    • Tucson-based team familiar with Southwest travel and camping conditions

    • Thoroughly inspected pre-owned inventory for confidence and peace of mind

    • Competitive pricing and flexible financing options

    • Full-service support before, during, and after your purchase

    For families or couples seeking a spacious, feature-rich fifth wheel that blends luxury, convenience, and durability, this used 2021 Heartland Big Country 3702 FB is ready for your next adventure.

    Specifications

    Length

    43 ft 1 in

    Dry weight

    13,500 lbs

    Sleeps

    4 people

    Slideouts

    3

    Specifications

    Length

    43 ft 1 in

    Dry weight

    13,500 lbs

    Sleeps

    4 people

    Slideouts

    3

    Download brochure
    Download brochure

    Unit features & options

    • Azdel laminated sidewalls with lightweight non-wood substrate, sound barrier and better insulation value
    • Patent pending Stor-Mor three sided access to basement with 30% more capacity
    • Country Road Suspension – Double 7,000lb Dexter EZ Lube Axles, Nev-R-Adjust Brake System, MORryde 3000 Suspension System with leaf springs and wet bolt kit
    • Country Built Tough Construction – 2" thick sidewalls with high density block foam insulation and aluminum structure, 12" powder coated steel I-beam frame and fully walkable TPO roof system
    • Big Country Welcome Home Entrance – Zero gravity entrance step, Over-sized grab handle, and ultra pro door handle for easy access
    • Insulated slam style cargo doors with magnetic hold backs.
    • Exterior speakers
    • Solid entry step
    • Extended hitch pin
    • Large entry assist grab handle
    • Rear ladder
    • Over 145 cubic feet of storage with our patent pending Stor-Mor pass through storage with entertainment prep
    • Black tank flush system
    • City water hook up with high pressure fresh tank fill
    • Exterior shower with hot & cold water
    • Satellite and antenna connections
    • All tanks pull handles
    • Water filter
    • Universal docking station with all hookups, dump valves, flush, cable/sat, shower and winterization in one convenient and concealed compartment.
    • 80 AMP/12V DC Power converter
    • 50 AMP Detachable marine power cord
    • 110V Exterior electrical receptacles
    • Battery disconnect
    • The Country Kitchen: Upgraded appliance package – residential size range, 30” microwave, Residential French Door Style Refrigerator, full-size pantry, and recessed stainless steel farm style sink.

    Unit features & options

    • Azdel laminated sidewalls with lightweight non-wood substrate, sound barrier and better insulation value
    • Patent pending Stor-Mor three sided access to basement with 30% more capacity
    • Country Road Suspension – Double 7,000lb Dexter EZ Lube Axles, Nev-R-Adjust Brake System, MORryde 3000 Suspension System with leaf springs and wet bolt kit
    • Country Built Tough Construction – 2" thick sidewalls with high density block foam insulation and aluminum structure, 12" powder coated steel I-beam frame and fully walkable TPO roof system
    • Big Country Welcome Home Entrance – Zero gravity entrance step, Over-sized grab handle, and ultra pro door handle for easy access
    • Insulated slam style cargo doors with magnetic hold backs.
    • Exterior speakers
    • Solid entry step
    • Extended hitch pin
    • Large entry assist grab handle
    • Rear ladder
    • Over 145 cubic feet of storage with our patent pending Stor-Mor pass through storage with entertainment prep
    • Black tank flush system
    • City water hook up with high pressure fresh tank fill
    • Exterior shower with hot & cold water
    • Satellite and antenna connections
    • All tanks pull handles
    • Water filter
    • Universal docking station with all hookups, dump valves, flush, cable/sat, shower and winterization in one convenient and concealed compartment.
    • 80 AMP/12V DC Power converter
    • 50 AMP Detachable marine power cord
    • 110V Exterior electrical receptacles
    • Battery disconnect
    • The Country Kitchen: Upgraded appliance package – residential size range, 30” microwave, Residential French Door Style Refrigerator, full-size pantry, and recessed stainless steel farm style sink.

    Full specifications

    As provided in the original listing

    AC BTU30000 btu
    Available BedsKing
    Awning Info18'
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity84 gals
    Cargo Capacity2702 lbs
    Convection CookingYes
    Cooktop Burners3
    Dry Weight13500 lbs
    Electrical Service50 amp
    Ext Height13 ft 3 in
    Ext Width8 ft
    Fresh Water Capacity65 gals
    Furnace BTU40000 btu
    GVWR16250 lbs
    Grey Water Capacity84 gals
    Hitch Weight2930 lbs
    LP Tank Capacity30 lbs
    Length43 ft 1 in
    Number of Awnings1
    Number of LP Tanks2
    Refrigerator Size20 cu ft
    Shower TypeShower w/Seat
    Sleeps4
    Slides3
    Tire Size16"
    Washer/Dryer AvailableYes
    Water Heater Capacity12 gal

    Full specifications

    As provided in the original listing

    AC BTU30000 btu
    Available BedsKing
    Awning Info18'
    Axle Count2
    Axle Weight7000 lbs
    Black Water Capacity84 gals
    Cargo Capacity2702 lbs
    Convection CookingYes
    Cooktop Burners3
    Dry Weight13500 lbs
    Electrical Service50 amp
    Ext Height13 ft 3 in
    Ext Width8 ft
    Fresh Water Capacity65 gals
    Furnace BTU40000 btu
    GVWR16250 lbs
    Grey Water Capacity84 gals
    Hitch Weight2930 lbs
    LP Tank Capacity30 lbs
    Length43 ft 1 in
    Number of Awnings1
    Number of LP Tanks2
    Refrigerator Size20 cu ft
    Shower TypeShower w/Seat
    Sleeps4
    Slides3
    Tire Size16"
    Washer/Dryer AvailableYes
    Water Heater Capacity12 gal

    Price history

    Days listed

    193

    Price drops

    1

    Total price reduction

    -$5,000

    Sign in to see 1 price change

    Price history

    Days listed

    193

    Price drops

    1

    Total price reduction

    -$5,000

    Sign in to see 1 price change

    Get more info

    2021 Big Country 3702FB

    2021 Big Country 3702FB
    I'm interested in
    Preferred contact method
    EmailPhone callText message

    The dealer sees only your first name and general area, not your full name, email, or phone. You'll chat through RV Envy and can share your info anytime.