Trailer Source Inc
2025 Keystone RV 2025 Keystone RV Alpine - image 1
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Floorplan Layout

Detailed floor plan showing the complete layout and dimensions
2025 Keystone RV Alpine 3910RK floorplan
Floorplan

Complete Fifth Wheel Specifications

2025 Keystone RV Alpine Overview

Introducing the 2025 Keystone Alpine 3910RK, a fifth-wheel that elevates your travel experience! Weighing in at a dry weight of 14,270 lbs and measuring an impressive length of 42.11 ft, this new RV is designed for comfort and convenience. With a spacious interior, it offers high-end features that competitors simply can't match. Whether you're embarking on a weekend getaway or an extended adventure, the Alpine ensures you travel in style and comfort. Its robust construction and thoughtful design make it a reliable choice for discerning travelers. Don't miss your chance to own this exceptional RV—schedule your tour today!

Premium Features & Highlights

Spacious living area for relaxation
Modern interior design with quality finishes
Ample storage solutions for all your gear
Durable construction for long-lasting adventures
Well-equipped kitchen for home-cooked meals
Comfortable seating for family and friends
Select a category to view specs

Overview

Vehicle Identification & Details

8 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
3910RK
Make
Keystone RV
Model
Alpine
Stock Number
SE780199
VIN
4YDFALU22SE780199
Year
2025

Size & Weight

Dimensions, Weight, Construction & Exterior

18 specifications available

Dry Weight
13,876 lbs
GVWR
16,500 lbs
Length
42.92 ft
Exterior Height
13.33 ft
Interior Height
6.83 ft
Width
8.33 ft
Awning Length Ft
31 ft
Awnings Count
1
Body Material
Aluminum
Doors Count
2
Has Power Awning
Yes
Has Power Slideouts
Yes

Sleeping & Layout

Beds, Layout, Living & Comfort

19 specifications available

Bunk Beds Count
0
Convertible Beds Count
2
Double Beds Count
0
Full Beds Count
0
King Beds Count
1
Primary Bedroom Location
Center
Queen Beds Count
0
Sleeps
6
Has Interior Wood Finish
Yes
Has Primary Bedroom Closet
Yes
Has Primary Bedroom Window Shades
Yes
Has Wallpaper
Yes

Kitchen & Dining

Cooking, Dining & Appliances

11 specifications available

Outdoor Kitchen
Yes
Microwave
Yes
Exterior Kitchen Refrigerator
Yes
Exterior Kitchen Stove
Yes
Has Overhead Fan
Yes
Kitchen Flooring Type
Vinyl
Kitchen Location
Rear
Kitchen Table Config
Chairs
Stovetop Burners
3
Oven Stove Layout
Oven / Stove
Refrigerator Power Mode
Electric

Bathroom & Facilities

Comfort & Privacy

8 specifications available

Bathroom Location
Front
Bathroom Flooring
Vinyl
Bathrooms Count
1.5
Has Bathroom Vent
Yes
Has Medicine Cabinet
Yes
Shower Door Type
Plastic / Glass
Shower Type
Standard
Toilet Type
Porcelain

Water Systems

Tanks & Plumbing

9 specifications available

Black Water Capacity
83 gal
Black Water Tanks Count
1
Fresh Water Capacity
54 gal
Fresh Water Tanks Count
1
Gray Water Capacity
83
Gray Water Tanks Count
1
Has Tankless Water Heater
Yes
Has Water Heater Bypass
Yes
Water Heater Power Mode
Electrical

Power & Electrical

Electrical, Entertainment & Safety

18 specifications available

Solar Ready
Yes
Ac Prewiring
Yes
Cable Prewiring
Yes
Has Battery Converter
Yes
Heat Prewiring
Yes
Satellite Prewiring
Yes
Tv Antenna Prewiring
Yes
Washer Dryer Prewiring
Yes
Has Bluetooth Audio
Yes
Has Mobile App
Yes
Has Satellite Radio
Yes
Has Surround Sound
Yes

Climate Control

Heating & Cooling

4 specifications available

Ac Btu
45,000 BTU
Ac Type
Automatic
Heater Btu
35,000 BTU
Heater Type
Automatic

* Vehicle specifications listed to the best of our knowledge. All specifications, features, and information are provided by the manufacturer. Trailer Source Inc is not responsible for manufacturer defects, specification changes, or recalls. Buyers should verify all information directly with Trailer Source Inc.

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Built to Last

Superior construction for years of adventures
Frame & Structure

Heavy-Duty Steel Frame

Built with a robust steel frame ensuring durability and stability on the road.

Wall System

Laminated Aluminum Sidewalls

Constructed with laminated aluminum for superior insulation and lightweight performance.

Electrical

50 Amp Electrical Service

Equipped with 50 Amp service, providing reliable power for all your appliances.

HVAC

Efficient Climate Control

Designed for optimal comfort with advanced climate control features.

Plumbing

Large Fresh Water Capacity

Spacious fresh water tank capacity for extended trips without frequent refills.

Quality & Safety

Sturdy Chassis

Engineered with a sturdy chassis to withstand the rigors of travel and ensure safety.

Ready for Your Next Adventure?

Experience the freedom of the open road with your next RV adventure

Payment Calculator

Estimate your monthly payments

from $611/mo
Estimated • 20% down

Schedule Tour

See this RV in person at our showroom

Showroom Hours
Mon-Fri: 9AM-6PM
11808 West 44th Avenue Wheat Ridge, CO 80033

Trade-In Value

Get your current RV's value

Trade Evaluation

Dealer assessment

Trailer Source Inc. is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, set-up fees, dealer handling and delivery fees. A $799 dealer handling fee applies to all RVs and Travel Trailers, and a $289 dealer handling fee applies to all Cargo and Utility Trailers. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us for availability as our inventory changes rapidly.

TOWABLE RVs
Payments are estimated with 20% down payment, based on approved credit plus tax, title and license fees of selling price. Not all customers will qualify for these rates and terms.
*On the amount financed under $15,000 — terms are based on 120 months at 8.99%
*On the amount financed from $15,000 to $25,000 — terms are based on 144 months at 7.99%
*On the amount financed from $26,000 to $49,999 — terms are based on 180 months at 7.99%
*On the amount financed from $50,000 to $150,000 — terms are based on 240 months at 7.99%

MOTORIZED RVs
Payments are estimated with 20% down payment, based on approved credit plus tax, title and license fees of selling price. Not all customers will qualify for these rates and terms.
*On the amount financed under $25,000 — terms are based on 144 months at 7.99%
*On the amount financed from $25,000 to $49,999 — terms are based on 180 months at 7.99%

USED RVs
Payments are estimated with 20% down payment, based on approved credit plus tax, title and license fees of selling price. Not all customers will qualify for these rates and terms. Terms are based on year and amount financed; rates vary between 9.99% and 21.99% W.A.C.

All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available. All advertised prices exclude government fees and taxes, any finance charges, any dealer document processing charge, pre-delivery inspection and freight fees, any electronic filing charge, and any emission testing charge. Savings percentage based on Manufacturers Suggested Retail Prices for select models for in-stock units. With approved credit.
$93,500
est $568/mo