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Stock Number: 221711
Sleeps: 7
Number of Slide Outs: 5
Condition: New
Exterior Color: WHITE
Number of Axles: Tandem
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Tuesday, September 08, 2026 10:50 AM
Seller: Fun Town RV - Indianapolis
Stock Number: 221695
Sleeps: 7
Number of Slide Outs: 5
Condition: New
Exterior Color: WHITE
Number of Axles: Tandem
Description: New 2026 Forest River RV Sierra 3844QUAD
Details: Forest River Sierra fifth wheel 3844QUAD highlights: Two Entry Doors Front Bedroom Rear Bunkhou...
Updated: Tuesday, September 08, 2026 10:50 AM
Seller: Fun Town RV - Indianapolis
Stock Number: 18851
Sleeps: 7
Number of Slide Outs: 5
Condition: New
Number of Axles: Tandem
VIN: 4X4FSEP22TJ055423
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, September 16, 2026 09:45 PM
Seller: RV Station Donna
Stock Number: 81603
Exterior Length: 42 ft 2 in
Number of Slide Outs: 2
Condition: New
Number of Axles: Tandem
Exterior Width: 8 ft
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
Stock Number: FSI204
Exterior Length: 42 ft 9 in
Condition: New
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: Friday, September 11, 2026 04:31 PM
Seller: Giant RV-Montclair
Stock Number: FSI207
Exterior Length: 42 ft 9 in
Condition: New
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: Friday, September 11, 2026 04:31 PM
Seller: Giant RV-Colton
Stock Number: 83076
Exterior Length: 43 ft 11 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
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: Wednesday, September 16, 2026 03:46 AM
Seller: Keystone RV Center
Stock Number: 93401
Condition: New
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: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - Tulsa
Stock Number: 93399
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - Georgetown
Stock Number: 93400
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - San Antonio
Stock Number: 39122
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 ft
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: Wednesday, August 05, 2026 08:25 AM
Seller: Best RV Center
Stock Number: 50W111
Exterior Length: 42 ft
Sleeps: 4
Number of Slide Outs: 3
Condition: New
Exterior Color: GREY/WHITE
Description: SIERRA
(2026) These Typical Features, Vary by Model
Living SpacesPower Awning with LED Strip LightingMORryde Step Above Quad Entry StepFoldable Ent...
Updated: Tuesday, August 25, 2026 03:05 AM
Seller: Kunes RV of Door County
Stock Number: TJ055461
Exterior Length: 37 ft 11 in
Sleeps: 4
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 in
Description: FOREST RIVER SIERRA 3900HB TRAVEL TRAILER SPECIFICATIONS: Hitch Weight 2,085 lb. GVWR 16,085 lb. UVW 13,284 lb. CCC 2,801 lb. Exterior Length 42 ...
Updated: Thursday, September 17, 2026 12:08 AM
Seller: Family RV Center - Sweetwater
Stock Number: 54667
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Width: 8 ft
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Monday, August 17, 2026 04:53 PM
Seller: Oak Lake RV Sales & Service
Stock Number: A6070
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
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: Tuesday, July 28, 2026 03:15 AM
Seller: Markquart RV - Appleton
Stock Number: 219227
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Thursday, September 10, 2026 06:06 PM
Seller: Fun Town RV - Jackson
Stock Number: 82585
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
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
Stock Number: 217295
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Tuesday, September 08, 2026 10:50 AM
Seller: Fun Town RV - Indianapolis
Stock Number: 215133
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Thursday, September 10, 2026 06:05 PM
Seller: Fun Town RV - Nature Coast
Stock Number: 218185
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Thursday, September 10, 2026 06:04 PM
Seller: Fun Town RV-Cleburne
Stock Number: 215134
Exterior Length: 42 ft 9 in
Sleeps: 3
Number of Slide Outs: 3
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3900HBLR
Details: Forest River Sierra fifth wheel 3900HBLR highlights: Three Slides Entertainment Center Bath and...
Updated: Thursday, September 10, 2026 06:06 PM
Seller: Fun Town RV - Grand Rapids
Stock Number: A6188
Condition: New
VIN: 4X4FSES28VJ055582
Description: New 2027 Forest River RV Sierra 3990FL
Details: Call for details.
Updated: Tuesday, August 25, 2026 03:13 AM
Seller: Markquart RV - Appleton
Stock Number: 98290
Exterior Length: 43 ft 8 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Color: BEIGE
Description: New 2027 Forest River RV Sierra 3990FL
Details: Forest River Sierra fifth wheel 3990FL highlights: King Bed Front Living Area Two Tri-Fold Hide-A...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - Odessa
Stock Number: 348072
Exterior Length: 3 ft 7 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Width: 8 in
Description: NEW 2026 FOREST RIVER SIERRA 3990FL – 348072
**Forest River Sierra fifth wheel 3990FL highlights:**
- King Bed
- Front Living Area
- Tw...
Updated: Monday, August 17, 2026 10:16 AM
Seller: General RV Colorado
Stock Number: 93398
Exterior Length: 43 ft 6 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3990FL
Details: Forest River Sierra fifth wheel 3990FL highlights: King Bed Front Living Area Two Tri-Fold Hide-A...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - San Antonio
Stock Number: 87678
Exterior Length: 43 ft 6 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3990FL
Details: Forest River Sierra fifth wheel 3990FL highlights: King Bed Front Living Area Two Tri-Fold Hide-A...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - Texarkana
Stock Number: 87679
Exterior Length: 43 ft 6 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3990FL
Details: Forest River Sierra fifth wheel 3990FL highlights: King Bed Front Living Area Two Tri-Fold Hide-A...
Updated: Monday, September 14, 2026 09:49 AM
Seller: Ron Hoover RV & Marine - Georgetown
Stock Number: 219669
Exterior Length: 43 ft 6 in
Sleeps: 8
Number of Slide Outs: 5
Condition: New
Exterior Color: BEIGE
Description: New 2026 Forest River RV Sierra 3990FL
Details: Forest River Sierra fifth wheel 3990FL highlights: Full and Half Lofts King Bed Walk-In Shower Fr...
Updated: Thursday, September 10, 2026 06:04 PM
Seller: Fun Town RV-Conroe
