Used 2021 Keystone RV Montana 3781RL Fifth Wheel (2025)

Used 2021 Keystone RV Montana 3781RL

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Fifth Wheel

Stock #701254A

Rockford

1 of 1

3781RL Floorplan

Factory Brochure

Specifications

Sleeps	4	Slides	4
Length	41 ft	Ext Height	13 ft 4 in
Hitch Weight	2695 lbs	Dry Weight	13485 lbs
Cargo Capacity	3115 lbs	Fresh Water Capacity	66 gals
Grey Water Capacity	88 gals	Black Water Capacity	49 gals
Tire Size	16"	Furnace BTU	35000 btu
Available Beds	Queen	Refrigerator Type	Residential French Door
Refrigerator Size	18 cu ft	Convection Cooking	Yes
Cooktop Burners	3	Shower Size	48" x 30"
Number of Awnings	2	Axle Weight	7000 lbs
LP Tank Capacity	30	Water Heater Capacity	12 gal
Water Heater Type	DSI Gas/Electric	AC BTU	30000 btu
TV Info	LR 50" LED HDTV, BR 32" LED HDTV	Awning Info	10' & 13' Electric with LED Lights
Axle Count	2	Washer/Dryer Available	Yes
Number of LP Tanks	2	Shower Type	Shower w/Seat
Electrical Service	50 amp	VIN	4YDF37821M4701254

Description

Keystone Montana fifth wheel 3781RLhighlights:

Dual-Sink Vanity
Free-Standing Dinette
Kitchen Island
Hide-A-Bed Sofa
Opposing Slides
Residential Refrigerator

Don't let anything hold you back from seeing your favorite sights with this Montana fifth wheel! You will create years and years of fond memories with the luxurious and comfortable features found on this unit. The hide-a-bed sofa is located right next to the fireplace so that you can drift off to sleep peacefully with a cozy fire by your side. The power theater seating is directly across from the 50" LED HDTV which will make it easy to sit back with a cold drink as you watch the game or a late-night movie. Up at the front of this unit is a private bedroom that has a queen bed slide. This bedroom also has tons of storage space with its full-width closet, under-bed storage, and wardrobe slide.

If you are an experienced RVer who is ready to gain more freedom on the road, then you need to check out the Keystone Montana fifth wheel! With exceptional craftsmanship, durable construction, dependable luxury, and cutting-edge technology, the Montana is truly a dream. The Montana has some easy set-up features, like an electric patio awning with LED lights, Hitch Vision with LED lighting, and MORryde Step Above entry steps with strut assist for an easy entrance. The Four Seasons Living Package allows you to camp year around with features such as, a heated and enclosed underbelly, a reflective foil insulated front cap, dual attic vents, and more! The Montana has you covered with convenient camping features, like the central vacuum, the stackable washer and dryer prep, and the Whisper Quiet Cool A/C's for an evenly and quietly cooled RV. Each model includes solid hardwood cabinet stiles, a 5K BTU decorative fireplace heater, a high-rise pull down faucet in the kitchen, plus many more interior comforts to make you feel right at home.

Call the Rockford Location @ (800) 828-4051!

Features

Standard Features (2021)

Keystone Exclusives

Color-coded unified wiring standard
4G LTE and Wi-Fi prep
Tuf-Lok™ thermoplastic duct joiners
KeyTV™ multisource signal controller
In-floor heating ducts
Tru-fit™ slide construction

Exterior

12" I-beam w/ z-frame technology
Road Armor™ shock absorbing hitch pin
Hitch Vision™ w/ LED lighting
2" thick CNC routed, dual-layered lauan, high-gloss fiberglass sidewalls w/ double laminated & insulated rear wall
Frameless tinted safety glass windows
Dual pane frameless windows w/ safety tint (Optional)
MaxTurn™ front cap w/ KeyShield™ automotive-grade paint
Fully walkable roof w/ Alpha seamless TPO membrane system and 5" rafters
Rear ladder
Hydraulic slideouts on main level w/ individual selector valves & electric slideouts on upper deck
Insulated underbelly w/ forced hot air & electric tank heaters
7000 lb Dexter Gladiator® thick wall axles w/ upgraded springs & Nev-R-Adjust® brakes
Road Armor™ suspension w/ 360° vibration control
Premium Sailun G-rated tires w/ 6-year manufacturer warranty & Tredit Care Plus roadside assistance
Spare tire
Ground Control® 6 point hydraulic auto-leveling w/ hitch memory
6' 4" tall 30" wide entry door w/ screen defender & friction hinge
MORryde® Step Above® entry steps w/ strut assist
Large pass through storage w/ oversized slam latch door (Select Models)
MORryde® premium oversized rear steel slide out storage tray (Select Models)
Side & back-up camera prep
2nd battery disconnect dedicated to residential refrigerator (inverter models)
Water connections, black tank flush, outside shower w/ quick connect hose, winterization kit, water heater bypass, power tank fill, waste & water handle valves, 110V outlet, shutoff valve, 12V compartment light, enclosed low point drains, unit battery disconnect, intuitive KeyTV™ satellite/cable/ antennae source control
Generator prep (Optional)
LP generator (Optional)
Seamless roto-cast holding tanks
Outdoor kitchen (Select Models)
Pull-out exterior kitchen (Select Models)
50 Amp electrical service w/ detachable cord & 110v exterior outlet
Outside shower w/ quick disconnect hose
Dometic 12V electric patio awning(s) w/ LED lights and awning arm power strip
2nd Dometic 12V electric patio awning(s) w/ LED lights and awning arm power strip
Slide-out awning package (Optional)
3000 lb towing hitch (Select Models)
300 lb accessory hitch (Select Models)
Solar panel prep w/ (5) inverted outlets

Weather Protection

Four Season Living Package
12v heat pads on holding tanks
Astrofoil insulated slide floors & underbelly
Dual attic vents
Heated and enclosed underbelly, convenience center, & dump valves
Reflective foil insulated front cap
Tested and approved for 0° usage

Interior

Beauflor® vinyl throughout & Syntec® woven flooring in main slideouts
Hardwood Modern Maple glazed decorative slideout fascia
Dual day/night roller shades
Hardwood decorative valance package
Modern Maple hand-glazed hardwood cabinetry, stiles, & framing
Thomas Payne Collection theater seating w/ massage, heat, electric recliners & tri-fold hide-a-bed sofa(s)
Decorative backlit crown molding in living area, hardwood base molding in hallway and living area
5000 BTU decorative fireplace heater
Central vacuum

Kitchen

Full extension ball bearing drawer glides, hidden cabinet hinges
LG® solid surface kitchen countertops
Oversized 70/30 deep stainless steel sink / removable solid surface sink covers
High-rise pull down faucet
Free standing legless dinette w/ leaf, chair buddy strut, pop-up USB & 110 V outlets, (2) luxury chairs, (2) folding chairs
Kitchen power vent fan w/ rain sensor

Bathroom

Decorative seamless vanity w/ stainless steel sink(s)
Residential 30" X 48" fiberglass shower w/ decorative glass enclosure, skylight, & molded accessory/foot shelf
Porcelain foot flush toilet
Bathroom power vent fan w/ rain sensor

Bedroom

60" x 80" full size queen bed
King size bed (Optional)
Bed side ceiling lights
USB & 110V outlets bedside
Renovo Sleep memory foam mattress, contemporary decorative headboard w/ 48" x 12" window, Vista Stone bedspread & pillow package
Wood TV cabinet w/ 32" LCD TV

Appliances & Utilities

(2) 30 lb LP tanks w/ auto changeover
Coleman Mach power saver ducted 15K BTU Whisper Quiet Cool A/C
Coleman Mach power saver ducted 15K BTU Whisper Quiet Cool A/C w/ heat pump
3rd A/C prep
CX3 package: 15K BTU free delivery optional third AC (Optional)
35K BTU furnace
12 gal. gas or electric quick recovery water heater
50" LCD TV & AM/FM/DVD/USB stereo w/ 3 zone volume control
Norcold 18 cu. ft. RV refrigerator (Select Models)
18 cu. ft. residential refrigerator w/ 2000w inverter (Select Models)
Residential size stainless steel convection microwave
Suburban 22" Elite Series gas cooktop and oven w/ glass cover
Stackable washer/dryer prep
Pendant style island light w/ ceiling treatment

Safety

Breakaway switch
GFI receptacles
CO detector
Smoke detector
Propane gas leak detector
Fire extinguisher

Legacy Edition Package

Dexter® disc brakes (Optional)
Furrion Vision S side & rear observation system (Optional)
Electric power cord reel (Optional)
Surge protector (Optional)
Legacy generator prep (Optional)
Rear fiberglass cap (Select Models)
iN-Command® Generation 3 w/ Global Connect (Optional)

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

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What Other Customers Are Saying

Great Experience

Collier went above and beyond, I had limited availability and they addressed all of my issues at a price far cheaper than expected. And the best part of my service experience was when the service manager, after they were closed for the holidays, went back to the shop to move my rig outside so I could

Michael from
Thank You Heidi!

We basically bought our used camper sight unseen. Heidi went out of her way to answer all of our questions and get us some extra pictures. Overall, it was an easy and pleasant experience to buy from Collier RV.
Thank you, Heidi!

Kurt from
Thank You

We purchased our RV from Collier RV because they had the model we wanted. We have had it in for warranty service twice in the last 9 months.
Kasey, the customer service rep, has done an outstanding job in keeping us apprised of what is being done, how it is being done and when the warranty work is

Jim from

We are here to help,call us at
815-446-0653 or Contact Us

We are here to help!

815-446-0653
Contact Us

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Collier RV Super Center is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @815-446-0653 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.