# 2026 Forest River Sandpiper 3900HBLR

Used 2026 Forest River Sandpiper 3900HBLR for sale at Johnston RV Center in Decatur, AL.

## Summary

- Condition: Used
- Status: In stock
- Year: 2026
- Make: Forest River
- Model: Sandpiper
- Floorplan: 3900HBLR
- Type: Fifth Wheel
- VIN: 4X4FSAR25TJ048391
- Stock number: 048391-C

## Price

- Price: $64,999

### Johnston True Price Guarantee

No surprise fees — every dollar disclosed up front.

- Freight: Included in Price
- Prep : Included in Price
- Propane: Included in Price
- Customer Education + Walkthrough: Included in Price
- 42-Item Inspection Checklist: Included in Price
- Battery: Included in Price
- Doc Fee: $499
- Title (in Alabama): $16
- **Total Fees: $515**

Plus tax. Total fees are not included in listed sale price of RV.

This is the same breakdown shown on the listing page. Sales tax and anything not listed above are extra; confirm the final price with the dealership.

## Specifications

- Length: 42' 9"
- Width: 8'
- Exterior height: 13' 4"
- Sleeps: 4
- Slide-outs: 3
- Dry weight: 13,225 lbs
- GVWR: 16,085 lbs
- Cargo capacity: 2,801 lbs
- Hitch weight: 2,085 lbs
- Fresh water: 50 gal
- Gray water: 136 gal
- Black water: 104 gal
- Refrigerator: 16

## Highlights

- Sleeps 4 for family adventures
- Three slide-outs for extra space
- Kitchen island for convenient meal prep
- Tankless water heater for endless hot water
- Solar ready for off-grid adventures

## Description

Experience the adventure with the 2026 Forest River Sandpiper 3900HBLR, a spacious used fifth wheel that's perfect for your family getaways. With a generous length of 43 ft and a dry weight of 13,225 lbs, this model offers plenty of living space and comfort for up to 4 people. The well-designed layout features a kitchen island, three slides, and a rear living area, ensuring an enjoyable experience whether you're cooking or relaxing. Enjoy the convenience of a tankless water heater and solar readiness for off-grid excursions. This versatile fifth wheel is ready for your next journey. Come take a look!

## Questions

### How much is this 2026 Forest River Sandpiper 3900HBLR?
Johnston RV Center lists it at $64,999. The listing itemizes every fee. Total Fees: $515. Sales tax and anything not listed are extra. Confirm the final price with the dealership.

### Is it new or used?
Used.

### Where is it?
At Johnston RV Center Decatur, 3504 Deere Rd. SE, Decatur, AL, 35603.

### How many people does it sleep?
Up to 4.

### How long is it?
42' 9" overall.

### What do I need to tow it?
This fifth wheel has a dry weight 13,225 lbs, GVWR 16,085 lbs, hitch weight 2,085 lbs. Choose a tow vehicle rated above the GVWR, and check its hitch and payload ratings too. Johnston RV Center can confirm a match for your vehicle.

### What are the tank sizes?
50 gal fresh, 136 gal gray, 104 gal black.

### Can I finance it or trade in my current unit?
Yes. Johnston RV Center offers financing and takes trade-ins. Apply or get a trade value on the website, or call 256-353-8712.

### How do I check it is still available?
Inventory changes daily. Use the contact form on the listing page or call 256-353-8712 to confirm before visiting.

## Dealer

- Johnston RV Center Decatur
- Address: 3504 Deere Rd. SE, Decatur, AL, 35603
- Phone: 256-353-8712

## Photos

- ![2026 Forest River Sandpiper 3900HBLR photo 1](https://images.scout-rv.com/b5a1e2f9-92af-4cce-b2cf-34718125570a/inventory/1794250938192-895nis.jpg)
- ![2026 Forest River Sandpiper 3900HBLR photo 2](https://images.scout-rv.com/b5a1e2f9-92af-4cce-b2cf-34718125570a/inventory/1794250938846-192zo1.jpg)

## Links

- Listing page (canonical): https://www.johnstonrvcenter.com/inventory/used/fifth-wheel-2026-forest-river-sandpiper-048391c
- Ask about this unit: use the contact form on the listing page, or call 256-353-8712
- Financing: https://www.johnstonrvcenter.com/financing
- Trade-in value: https://www.johnstonrvcenter.com/trade-in
- All inventory: https://www.johnstonrvcenter.com/inventory.md

Last updated: 2026-11-09