Contact Information
Owner
RV Details
- Price: $260,000
- Year: 2021
- Model: DX3 37RB
- Listing ID: 6986914
- Partner ID: 5038308889
- Posted On: Oct 31, 2025
- Updated On: Oct 31, 2025
Description
2021 Dynamax DX3 37RB Super C 
 Cummins 360 on Freightliner M2 
 King Suite 
 1.5 Baths 
 $260,000 
NO TRADES
I love this coach, but Im downsizing. Stored indoors when home and well-maintained. Its a perfect traveler for a solo driver or a familytons of power, space, and storage.
 Details:
 Super C powertrain: Cummins 360 HP diesel + Allison on Freightliner M2
 Engine: Cummins 360 hp diesel on Freightliner M2 chassis
 Length: 40'9" with 3 slideouts for maximum space
 Sleeping Capacity: Sleeps up to 5, includes 1.5 bathrooms
 Bedroom: King-size suite with dual sinks and Smart TVs
 Washer & Dryer
 Kitchen: Residential style with 18 cu. ft. fridge, induction cooktop, convection oven, plus washer & dryer
 Climate Control: Two A/C units, 30,000 BTU heating
 Power: Solar power option and diesel generator for off-grid living
 Heating System: Aqua-Hot hydronic system
 Build: Aluminum frames, crowned fiberglass roof, no wood walls
 Water Tanks: 100-gallon fresh water, 52-gallon grey/black tanks
 Convenience: Keyless entry, exterior entertainment, automatic leveling
 Usage:
 Miles: 54,895
 Generator Hours: 1,426
 Why this DX3?
Super C durability with a residential 37RB layouttrue master suite, huge living area, and the reliability of the M2/Cummins/Allison combo. Easy highway manners, confident towing, and simple serviceability at truck centers
 LOCATION:
Billings, Montana
Delivery: Available (cost based on distance)
Message me for more info!
TEXT Tannis @ (406) 671-4619
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
