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Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV-Cleburne
Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Indianapolis
Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Indianapolis
Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Jackson
Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Jackson
Condition: New
Exterior Length: 44 ft 1 in
Sleeps: 4
Number of Slide Outs: 4
Gross Vehicle Weight: 15,500 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3800RK
Details: Forest River Sierra fifth wheel 3800RK highlights: Four Slides Theater Seating Exterior Cooktop W...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Indianapolis
Condition: New
Exterior Length: 44 ft
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 16,200 lb
Number of Axles: Tandem
Description: New 2027 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Friday, September 25, 2026 03:45 AM
Seller: Keystone RV Center
Condition: New
Exterior Length: 3 ft 6 in
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Fresh Water Tank Capacity: 50 gal
Description: NEW 2026 FOREST RIVER SIERRA 3844QUAD – 348068
**Forest River Sierra fifth wheel 3844QUAD highlights:**
- Two Entry Doors
- Front Bedro...
Updated: Monday, September 28, 2026 04:06 PM
Seller: General RV Center
Condition: New
Exterior Length: 3 ft 6 in
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Stock Number: 350038
Description: NEW 2026 FOREST RIVER SIERRA 3844QUAD – 350038
Forest River Sierra fifth wheel 3844QUAD highlights:
Two Entry Doors
Front Bedroom
Rear ...
Updated: Monday, September 28, 2026 04:06 PM
Seller: General RV Center
Condition: New
Exterior Length: 42 ft 9 in
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Fresh Water Tank Capacity: 50 gal
Description: Experience the freedom of the open road with the 2026 Forest River Sierra 3844QUAD. This exceptional fifth wheel is designed for families, comforta...
Updated: Friday, October 23, 2026 11:09 AM
Seller: Zoomers RV - Iowa
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221693
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Nature Coast
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221710
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV-Cleburne
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221698
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Jackson
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221696
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Grand Rapids
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 18851
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station Donna
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221711
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Indianapolis
Condition: New
Sleeps: 7
Number of Slide Outs: 5
Gross Vehicle Weight: 4 lb
Number of Axles: Tandem
Stock Number: 221695
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Wednesday, October 14, 2026 08:57 AM
Seller: Fun Town RV - Indianapolis
Condition: New
Exterior Length: 42 ft
Sleeps: 8
Number of Slide Outs: 5
Gross Vehicle Weight: 16,295 lb
Fresh Water Tank Capacity: 50 gal
Description: SIERRA
(2026) These Typical Features, Vary by Model
Living SpacesPower Patio Awning with LED Strip LightingMORryde Step Above Quad Entry StepFoldab...
Updated: Monday, October 26, 2026 03:06 AM
Seller: Kunes RV of Door County
Condition: New
Sleeps: 3
Number of Slide Outs: 3
Number of Axles: Tandem
Stock Number: 40566
VIN: 055726
Description: New 2027 Forest River RV Sierra 3870HBRK
Details: The following is a list of Additional Options besides the Standard Features come with the unit a...
Updated: Saturday, October 24, 2026 03:02 AM
Seller: Best RV Center
Condition: New
Exterior Length: 42 ft 2 in
Number of Slide Outs: 2
Gross Vehicle Weight: 16,260 lb
Number of Axles: Tandem
Exterior Height: 12 ft 4 in
Description: 2025 Forest River Sierra 3880BH
Forest River Sierra fifth wheel 3880BH highlights:
King bed
Bunk beds
Dual Powered Awning
Outside Kitche...
Updated: Tuesday, September 01, 2026 09:57 AM
Seller: Camper Liquidators-Chesapeake
Condition: New
Exterior Length: 43 ft 11 in
Number of Slide Outs: 3
Stock Number: FSI204
VIN: 4X4FSER22VJ055597
Description: 2027 Forest River Sierra 3900HBLR 2027 Forest River Sierra 3900HBLR is built for families and luxury travelers seeking a spacious fifth-wheel with ...
Updated: Wednesday, October 21, 2026 10:54 AM
Seller: Giant RV-Montclair
Condition: New
Exterior Length: 43 ft 11 in
Number of Slide Outs: 3
Stock Number: FSI207
VIN: 4X4FSER24VJ055598
Description: 2027 Forest River Sierra 3900HBLR 2027 Forest River Sierra 3900HBLR is built for families and extended-stay RVers seeking a luxury fifth wheel with...
Updated: Wednesday, October 21, 2026 10:45 AM
Seller: Giant RV-Colton
Condition: New
Exterior Length: 43 ft 11 in
Sleeps: 3
Number of Slide Outs: 3
Gross Vehicle Weight: 16,415 lb
Number of Axles: Tandem
Description: New 2027 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Sunday, October 25, 2026 03:46 AM
Seller: Keystone RV Center
Condition: New
Exterior Length: 43 ft
Sleeps: 4
Number of Slide Outs: 3
Fresh Water Tank Capacity: 70 gal
Stock Number: 363623
Description: NEW 2027 FOREST RIVER SIERRA 3900HBLR – 363623
Forest River Sierra 3900HBLR Fifth Wheel highlights:
Front Bathroom with Wardrobe
Privat...
Updated: Wednesday, October 14, 2026 03:31 AM
Seller: General RV Center
Condition: New
Stock Number: 93401
VIN: 4X4FSER28TJ055438
Description: AI Generated Description The Forest River Sierra 3900HBLR Towable stands out with three slideouts and a substantial length of five hundred thirteen...
Updated: Friday, October 23, 2026 11:02 AM
Seller: Ron Hoover RV & Marine - Tulsa
Condition: New
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Gross Vehicle Weight: 16,085 lb
Number of Axles: Tandem
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Friday, October 23, 2026 11:02 AM
Seller: Ron Hoover RV & Marine - San Antonio
Condition: New
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Gross Vehicle Weight: 16,085 lb
Number of Axles: Tandem
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Sunday, September 06, 2026 03:45 AM
Seller: Green Castle - Camper Liquidators
Condition: New
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Gross Vehicle Weight: 13,085 lb
Exterior Height: 13 ft 4 in
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: The following is a list of Additional Options besides the Standard Features come with the unit a...
Updated: Friday, October 09, 2026 03:02 AM
Seller: Best RV Center
