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Condition: Used
Exterior Length: 40 ft 4 in
Sleeps: 6
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Fresh Water Tank Capacity: 66 gal
Description: 2020 KEYSTONE MONTANA 3790RD
Stock No. 5034P
Updated: Thursday, August 20, 2026 08:21 AM
Seller: Findlay Truck & RV
Condition: Used
Exterior Length: 40 ft 4 in
Sleeps: 6
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: Used 2019 Keystone RV Montana 3790RD
Details: Keystone Montana fifth wheel 3790RD highlights: Separate Rear Living Coffee Station Kitchen Island ...
Updated: Wednesday, October 14, 2026 09:15 AM
Seller: America Go RV - Comfort
Condition: Used
Exterior Length: 40 ft
Sleeps: 6
Number of Slide Outs: 5
Gross Vehicle Weight: 13,800 lb
Stock Number: F168CL
Description: Stock Number: F168CL40' 2018 Keystone Montana 3790RD w/5 Slides.This 2018 Montana by Keystone 3790RD is a premier example of why this model has lon...
Updated: Tuesday, October 13, 2026 09:28 AM
Seller: PPL Motor Homes - Cleburne
Used 2017 KEYSTONE RV CO MONTANA 3790RD
South Burlington, Vermont
MSRP$34,650 USD $29,981
Condition: Used
Exterior Length: 40 ft
Sleeps: 7
Number of Slide Outs: 5
Number of Axles: Tandem
Exterior Height: 13 ft 5 in
Description: Used 2017 Keystone RV Montana 3790RD
Details: Call for details.
SleeperSize: Queen
WeightDry: 13085
Updated: Friday, October 09, 2026 03:45 AM
Seller: Petes RV Vermont
