- Sleeps 6
- 4 Slides
- 40ft 7.00in Long
- 11,554 lbs
- Front Entertainment
- Front Living
Floorplan

Features
- Front Entertainment
- Front Living
- Outdoor Kitchen
- Rear Bedroom
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.
Specifications
- Sleeps 6
- Slides 4
- Ext Width 96
- Ext Height 160
- Length 487
- Hitch Weight 2,175
- GVWR 14,175
- Fresh Water Capacity 50
- Grey Water Capacity 82
- Black Water Capacity 52
- Tire Size 16
- Furnace BTU 35,000
- Axle Count 2
- Available Beds Queen
- Refrigerator Type 12V Stainless
- Refrigerator Size 16
- Cooktop Burners 3
- Shower Type Shower w/Seat
- Number of Awnings 1
- Dry Weight 11,554
- Cargo Weight 2,621
- Tire Size 16
- TV Info LR 50"" Pop-Up Flat Screen TV
- VIN 4X4FSEP20NJ051695
Description
Forest River Sierra fifth wheel 3770FL highlights:
- Rear Private Bedroom
- Front Living Area
- Large Pantry
- Outside Gas Grill
- Pass-Through Storage
Enjoy the perfect view of your beautiful surroundings with the largest front cap windows in the industry on this fifth wheel! You will feel right at home in the rear private bedroom with the queen bed slide across from a dresser and the rear wardrobes on either side of a dresser. Freshen up in the full bathroom with the shower then head to the kitchen and grab some eggs from the 16 cu. ft. refrigerator to fry up on the four burner cooktop. You can enjoy them at the table and chairs then head to the front living area to either read a book on one of the opposing tri-fold hide-a-bed sofa slides or watch the news in the theater seating across from the front entertainment center with a 50" pop-up TV with a fireplace below it and cabinets on either side of it. You even have an outside bumper mount swivel gas grill and outside refrigerator to keep your beverages cold while you relax underneath the 19' electric awning!
Each one of these Forest River Sierra fifth wheels are equipped with everything you need to make the most of each adventure! The underbelly armor will protect your unit's vitals from road debris and the painted two tone aerodynamic fiberglass front cap has an improved turning radius to make them easier to navigate. With an electric level up system, you can set your unit up quick and easy then get to having fun faster than ever. The welded aluminum framed, vacuum bonded laminated superstructure will hold up through every adventure and the cambered powder coated frame comes with rust prohibitor to last longer. The standard Signature package comes with upgraded features like a stainless appliance package, a premium sound bar with DVD player, and slam lock baggage doors to keep your gear in place as you travel. Come find your favorite one today!
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At Optimum RV we do our best to ensure the accuracy of all pricing, but do understand we are not responsible for any typos, real time pricing updates or misprints. Additionally, any price listed or advertised on this website is subject to change based on fees, taxes and costs that may apply to your transaction. An agreed final price, including all applicable fees, costs and taxes will be agreed to before any transaction is finalized. Additionally, our inventory changes rapidly. An advertisement on this website for a certain style and brand of RV does necessarily mean that such style and brand RV is still available for sale. In some cases RVs listed may have sold, in which case we will do our best to find you a comparable RV at a new price. Please contact us @ 844-744-0434 for availability of specific RV brands and styles.







