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Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRICE (MAP) SET BY THE...
Updated: Thursday, October 15, 2026 09:32 AM
Seller: T&S RV & Sport - Bryan
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRICE (MAP) SET BY THE...
Updated: Thursday, October 15, 2026 09:31 AM
Seller: T&S RV & Sport - Bryan
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Thursday, October 01, 2026 07:30 PM
Seller: Bankston Motor Homes of Hunstville
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Monday, August 24, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Friday, October 09, 2026 04:05 AM
Seller: McKee RV
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, October 07, 2026 03:47 AM
Seller: Camper Liquidators-IN
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, October 07, 2026 03:47 AM
Seller: Camper Liquidators-IN
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, October 07, 2026 03:47 AM
Seller: Camper Liquidators-IN
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, October 07, 2026 03:47 AM
Seller: Camper Liquidators-IN
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: SALE PENDING
New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRIC...
Updated: Thursday, October 15, 2026 09:31 AM
Seller: T&S RV & Sport - Bryan
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Monday, August 24, 2026 04:04 AM
Seller: McKee RV
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Friday, September 04, 2026 07:31 PM
Seller: Bankston Motor Homes Of Gadsden
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 3
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2027 Keystone RV Montana 3900RK
Details: LET'S TALK MAP PRICING! THE PRICE YOU SEE ADVERTISED IS THE MINIMUM ADVERTISED PRICE (MAP) SET BY THE...
Updated: Thursday, October 15, 2026 09:31 AM
Seller: T&S RV & Sport - Bryan
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 6
Number of Slide Outs: 4
Number of Axles: Tandem
Fresh Water Tank Capacity: 77 gal
Description: Experience the pinnacle of luxury camping with the 2027 Keystone Montana 3900RK. This new fifth wheel boasts a spacious design, accommodating up to...
Updated: Thursday, October 08, 2026 02:00 PM
Seller: A & L RV Sales - Richmond
Condition: New
Exterior Length: 43 ft 10 in
Stock Number: 47774
Exterior Color: Mystic White
VIN: 4YDFM0V27V4700250
Hitch Weight: 3,405 lb
Description:
Updated: Thursday, September 24, 2026 09:32 AM
Seller: RV Country - Mesa, AZ
Condition: New
Exterior Length: 3 ft 6 in
Sleeps: 6
Number of Slide Outs: 4
Fresh Water Tank Capacity: 70 gal
Stock Number: 363615
Description: NEW 2027 KEYSTONE MONTANA 3900RK – 363615
The Keystone Montana 3900RK luxury fifth wheel is designed to bring residential comfort and up...
Updated: Monday, August 17, 2026 10:16 AM
Seller: General RV Center - Canton
Condition: New
Exterior Length: 43 ft 10 in
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Exterior Height: 13 ft 4 in
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Wednesday, October 14, 2026 09:25 AM
Seller: RV Station-Colbert
Condition: New
Sleeps: 4
Number of Slide Outs: 4
Number of Axles: Tandem
Stock Number: 94807
VIN: 4YDFM0V2XT4700966
Description: New 2026 Keystone RV Montana 3900RK
Details: Keystone Montan fifth wheel 3900RK highlights: Rear Kitchen Dual Bath Sinks Exterior Pull-Out TV Bar...
Updated: Friday, September 04, 2026 03:46 AM
Seller: Petes RV Indiana
Condition: New
Stock Number: 19455
Description:
Updated: Thursday, September 24, 2026 12:11 PM
Seller: ArrKann Trailer & RV Centre
