2026 Forest River Sierra 3710HBFB

New Fifth Wheel in Montclair, California, 91763

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New 2026 Forest River Sierra 3710HBFB available in Montclair, California
2026 Forest River Sierra 3710HBFB - New Fifth Wheel For Sale by Giant RV in Montclair, California
2026 Sierra 3710HBFB by Forest River from Giant RV in Montclair, California
New 2026 Forest River Sierra 3710HBFB available in Montclair, California

Unit Specs

  • Stock #FSI190
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3710HBFB
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 9"
  • VIN4X4FSEN2XTJ054863
  • MSRP $98,464.15
  • Sale Price Get Sale Price!
  • Need to know your payment? Use our RV Loan Calculator!
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)104 gal
2026 Forest River Sierra 3710HBFB

Elevate your family getaways with the 2026 Forest River Sierra 3710HBFB, a luxurious fifth wheel crafted for comfort and convenience. This new RV features a spacious half-bath bunkhouse and front bedroom layout, modern amenities, and easy towability for unforgettable camping trips. Available now at Giant RV in California, the 2026 Forest River Sierra 3710HBFB offers style and functionality for your next road trip!

  • Family-Friendly Bunkhouse: Sleeps up to 8 with a rear half-bath bunkhouse, queen bed, and three slideouts for open living and sleeping space.
  • Lightweight Towing: With a compact design and lightweight frame, this fifth wheel ensures fuel-efficient towing by most heavy-duty trucks.
  • Modern Amenities: Features air conditioning, a kitchen with walk-in pantry, 12V refrigerator, convection microwave, and a residential-style bathroom.
  • Durable Construction: Built with laminated aluminum framing, a one-piece rubber roof, and pass-through storage for reliable all-season adventures.

Visit Giant RV in California today to explore the 2026 Forest River Sierra 3710HBFB and elevate your family adventure with this premium fifth wheel!



View a video of this 2026 Forest River Sierra 3710HBFB RV on YouTube!

2026 Forest River Sierra 3710HBFB Features


2026 Forest River Sierra 3710HBFB Specifications

Dimensions

Height

13' 5"

Length

42' 9"

Width

8' 0"

Weights

Dry Weight

12,649 lbs

GVWR

15,500 lbs

Hitch Weight

2,405 lbs

Payload Capacity

2,851 lbs

Capacities

Refrigerator Capacity

16 cu ft

Sleep Capacity

8

Water Capacity - Black

104 gal

Water Capacity - Fresh

50 gal

Water Capacity - Grey

104 gal

Exterior

# Awnings

1

# Axles

2

# Doors

1

# Slides

4

Hitch

Fifth Wheel

Electrical

# A/C

2

A/C Spec

Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Forest River Sierra 3710HBFB Literature


Seller Info

Giant RV

9150 Benson Avenue
Montclair, CA 91763

Member Since 2025

See 474 Reviews

Unit Specs

  • Stock #FSI190
  • Year2026
  • ManufacturerForest River
  • Make Forest River
  • ModelSierra
  • Floorplan3710HBFB
  • Type Fifth Wheel
  • ConditionNew
  • Length42' 9"
  • VIN4X4FSEN2XTJ054863
  • MSRP $98,464.15
  • Sale Price Get Sale Price!
  • Need to know your payment? Use our RV Loan Calculator!
  • Water Capacity (Fresh)50 gal
  • Water Capacity (Black)104 gal
  • Water Capacity (Grey)104 gal

Email Seller

Request More Info on this 2026 Forest River Sierra 3710HBFB Offered for sale by Giant RV
Giant RV
Giant RV

9150 Benson Avenue
Montclair, CA 91763

Phone: Click to Call

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New 2026 Forest River Sierra 3710HBFB available in Montclair, California
2026 Forest River Sierra 3710HBFB - New Fifth Wheel For Sale by Giant RV in Montclair, California
2026 Sierra 3710HBFB by Forest River from Giant RV in Montclair, California
New 2026 Forest River Sierra 3710HBFB available in Montclair, California