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 3712KB floorplan
Floorplan

Complete Fifth Wheel Specifications

2025 Keystone RV Alpine Overview

Introducing the 2025 Keystone Alpine 3712KB, the fifth-wheel that combines luxury and functionality for your travels! Weighing in at a dry weight of 14,740 lbs and boasting a length of 41.4 ft, this spacious model comfortably sleeps 6, making it perfect for family adventures. Key features include a private bedroom with a king bed, a stylish kitchen island, and five slide-outs for expanded living space. Enhanced by a powerful 46,500 BTU air conditioning system and a tankless water heater, the Alpine outshines competitors with its premium amenities. Don't miss your chance to own this exceptional RV; schedule your tour today!

Premium Features & Highlights

Private bedroom with king bed for ultimate comfort
Kitchen island for added cooking space and functionality
Five slide-outs for expansive living area
Powerful 46,500 BTU air conditioning for superior cooling
Tankless water heater for endless hot water
Washer dryer prep for extended stays and convenience
Select a category to view specs

Overview

Vehicle Identification & Details

8 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
3712KB
Make
Keystone RV
Model
Alpine
Stock Number
SE780238
VIN
4YDFALU28SE780238
Year
2025

Size & Weight

Dimensions, Weight, Construction & Exterior

8 specifications available

Dry Weight
14,740 lbs
Length
41.4 ft
Interior Height
6.8 ft
Width
8.3 ft
Awnings Count
2
Has Auto Leveling
Yes
Primary Color
White
Slides
5

Sleeping & Layout

Beds, Layout, Living & Comfort

9 specifications available

Bunk Beds Count
0
Double Beds Count
0
Full Beds Count
0
King Beds Count
1
Loft Beds Count
0
Murphy Beds Count
0
Private Bedroom
Yes
Queen Beds Count
0
Sleeps
6

Kitchen & Dining

Cooking, Dining & Appliances

4 specifications available

Kitchen Island
Yes
Refrigerator Size
18 cu ft
Refrigerator Type
Residential with Ice Maker
Washer Dryer Prep
Yes

Bathroom & Facilities

Comfort & Privacy

3 specifications available

Bathroom Location
Rear
Bathrooms Count
1
Shower Type
Standard

Water Systems

Tanks & Plumbing

5 specifications available

Black Water Capacity
44 gal
Fresh Water Capacity
75 gal
Gray Water Capacity
78
Has Tankless Water Heater
Yes
Water Heater Type
On Demand

Power & Electrical

Electrical, Entertainment & Safety

1 specifications available

Electrical Service
50 amp

Climate Control

Heating & Cooling

3 specifications available

Ac Btu
46,500 BTU
Air Conditioning
Standard
Heater Btu
35,000 BTU

* 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

Durable Welded Steel Chassis

Designed for durability with a dry weight of 14,740 lbs, ensuring stability on the road.

Wall System

Laminated Aluminum Sidewalls

Constructed with laminated aluminum for enhanced insulation and strength.

Electrical

Standard 46,500 BTU Air Conditioning

Stay cool with a robust 46,500 BTU air conditioning system, perfect for warm climates.

HVAC

35,000 BTU Furnace

Enjoy cozy warmth with a powerful 35,000 BTU furnace, ideal for colder weather.

Plumbing

75-Gallon Fresh Water Tank

Equipped with a generous 75-gallon fresh water capacity for extended trips.

Chassis & Towing

Electric Stabilizer Jacks

Featuring reliable electric stabilizer jacks for easy leveling and stability.

Ready for Your Next Adventure?

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

Payment Calculator

Estimate your monthly payments

from $625/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.
$95,700
est $582/mo