Trailer Source Inc
2025 Keystone RV 2025 Keystone RV Alpine - image 1
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Complete Fifth Wheel Specifications

2025 Keystone RV Alpine Overview

Introducing the 2025 Keystone Alpine 3700FL, a fifth-wheel RV that elevates your travel experience! Weighing in at a dry weight of 14,111 lbs and a GVWR of 16,500 lbs, this spacious unit stretches to a length of 41.4 ft, comfortably sleeping up to 6 people. Enjoy the luxury of a front living area with theater seating and a kitchen island, complemented by a residential refrigerator with ice maker. With five slides and auto leveling, setting up is a breeze. Experience high-end features that competitors simply can't match, including a tankless water heater and three A/C units for ultimate comfort. Don't miss your chance to own this exceptional RV – schedule your tour today!

Premium Features & Highlights

Comfortable sleeping for up to 6 people
Front living area with theater seating
Residential refrigerator with ice maker
Five spacious slides for enhanced living space
Auto leveling system for easy setup
Tankless water heater for endless hot water
Select a category to view specs

Overview

Vehicle Identification & Details

8 specifications available

Category
Fifth Wheel
Condition
new
Floorplan
3700FL
Make
Keystone RV
Model
Alpine
Stock Number
SE780183
VIN
4YDFALU29SE780183
Year
2025

Size & Weight

Dimensions, Weight, Construction & Exterior

11 specifications available

Dry Weight
14,111 lbs
GVWR
16,500 lbs
Length
41.4 ft
Width
8.3 ft
Awnings Count
2
Exterior Speakers
Yes
Has Auto Leveling
Yes
Has Power Slideouts
Yes
Leveling Jack Type
6-point hydraulic
Primary Color
White
Slides
5

Sleeping & Layout

Beds, Layout, Living & Comfort

20 specifications available

Available Beds
King
Bedroom Count
1
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
Ceiling Fan
true

Kitchen & Dining

Cooking, Dining & Appliances

6 specifications available

Dinette
Yes
Ice Maker
true
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
1.5
Shower Type
Standard

Water Systems

Tanks & Plumbing

5 specifications available

Black Water Capacity
78 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

13 specifications available

Generator Prep
Yes
Solar Ready
Yes
Cable Prewiring
Yes
Has Battery Converter
Yes
Heat Prewiring
Yes
Satellite Prewiring
Yes
Washer Dryer Prewiring
Yes
Dvd Player
true
Has Bluetooth Audio
Yes
Sound System
Yes
Tv Info
LR 50" LED TV, BR Smart HDTV
Usb Charging
Yes

Climate Control

Heating & Cooling

4 specifications available

Ac Btu
46,500 BTU
Air Conditioning
Three A/Cs
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

Designed to support a dry weight of 14,111 lbs and a GVWR of 16,500 lbs for durability and stability.

Wall System

Laminated Aluminum Construction

Provides superior insulation and strength, ensuring longevity and comfort.

Electrical

46500 BTU Air Conditioning System

Three A/C units keep the interior cool, perfect for warm weather adventures.

HVAC

35,000 BTU Furnace

Ensures warmth and comfort during colder climates for year-round travel.

Plumbing

78-Gallon Black Water Capacity

Large holding tank allows for extended trips without frequent dumping.

Chassis & Towing

3080 lbs Hitch Weight

Designed for reliable towing with a strong hitch weight capacity.

Ready for Your Next Adventure?

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

Payment Calculator

Estimate your monthly payments

from $647/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

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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.
$99,000
est $602/mo