2022 Heartland Milestone 377MB
























































































































Quick Inquiry
Key Features and Details
- RV TypeFifth Wheel
- Stock #4308
- Mileage—
- Length (ft)43.0 ft
- Sleeping Capacity8
- Weight15000 Lbs
- Slideouts4
Dealer Comments
Meet the perfect blend of residential luxury and road-ready durability: the 2022 Heartland Milestone 377MB Fifth Wheel. Designed for extended stays or full-time living, this spacious fifth wheel delivers comfort, flexibility, and upscale finishes that make every destination feel like home. With a unique mid-bunkroom layout, it’s ideal for families, remote workers, or anyone needing extra functional space on the road.
Inside, you’ll find a modern interior with high-end touches—solid surface countertops, stainless steel appliances, and a cozy living area with theater seating and an entertainment center. The private master suite offers a king bed and generous storage, while the mid-bunkroom doubles as an office or guest room. Built for all-season travel, it’s as capable as it is comfortable.
Key Specs:
- Length: 43 ft 4 in
- Dry Weight: ~13,065 lbs
- GVWR: 15,000 lbs
- Hitch Weight: ~2,640 lbs
- Sleeps: Up to 8
- Slides: 4
- Fresh Water Capacity: 50 gallons
- Gray Water Capacity: 80 gallons
- Black Water Capacity: 80 gallons
- Furnace: 35,000 BTU
- A/C Units: Dual 15,000 BTU
Whether you're chasing adventure or settling into long-term travel, the Milestone 377MB is built to take you there—comfortably and in style.
Used Heartland Items for Sale Granbury
Find this Heartland Milestone 377MB at Willis and Co. RV
Hours of Operation
1. Prices shown are for informational purposes only and are subject to change without notice. Please contact the dealership to confirm current pricing before purchase.



