Vehicle Detail

2021 Keystone Montana 3760FL (Fifth-Wheel) 42FT

📋 Quick Description:

The 2021 Keystone Montana 3760FL is a luxury fifth-wheel RV featuring a front living room, rear master suite, and residential-style amenities. It’s designed for full-time living or extended travel, offering premium comfort, quality construction, and spacious interiors.

🔧 Key Specs:

• Length: ~41 ft

• Dry Weight: ~14,300 lb

• GVWR: ~16,900 lb

• Hitch Weight: ~2,800 lb

• Sleeping Capacity: 6

• Layout: Front living room, mid kitchen, rear bedroom

• Slides: 5

• Fresh Water Tank: 66 gal

• Gray Water Tank: 78 gal

• Black Water Tank: 39 gal

• Water Heater: 12 gal

• Propane Capacity: 60 lb (2 tanks)

• Frame: 12" I-beam with drop-frame

• Insulation: Four-season package (rated for all-weather use)

🛋 Features:

• Dual opposing slides in front lounge with two hide-a-bed sofas

• Power theater seating facing telescoping TV and fireplace

• Kitchen island with solid-surface countertops and large pantry

• Residential refrigerator and convection microwave

• King bed in private rear suite with washer/dryer prep

• Two awnings and exterior entertainment center

• Auto-leveling system and heated underbelly

🏕 General Information

Make: Keystone RV
Model: Montana 3760FL
Type: Fifth-Wheel Trailer
Year: 2021
Series: Montana Luxury Fifth-Wheel
Condition (when new): Premium, Four-Season Rated

⚙️ Dimensions & Weight

• Overall Length: 41 ft 0 in

• Exterior Height: 13 ft 4 in

• Exterior Width: 8 ft 0 in

• Dry Weight: ~14,300 lb

• GVWR (Gross Vehicle Weight Rating): 16,900 lb

• Hitch Weight: 2,800 lb

• Cargo Capacity: ~2,600 lb

💧 Tank Capacities

• Fresh Water: 66 gal

• Gray Water: 78 gal

• Black Water: 39 gal

• Water Heater: 12 gal (Gas/Electric)

• LP Gas Capacity: 60 lb (2 x 30 lb tanks)

🔋 Utilities

• Electrical Service: 50 Amp

• Furnace: 35,000 BTU

• Air Conditioning: Dual 15,000 BTU units

• Heated and Enclosed Underbelly: Yes

• Auto-Leveling System: 6-point hydraulic

🛋 Interior Layout

• Front Living Room: Dual opposing slides, twin hide-a-bed sofas, power theater seating, entertainment center with fireplace and lift TV.

• Mid Kitchen: Residential fridge, island sink, convection microwave, large pantry, and solid-surface countertops.

• Rear Bedroom: King bed slide-out, wardrobe closet, washer/dryer prep.

• Bathroom: Large shower with seat, porcelain toilet, vanity, skylight.

🎯 Key Features

• 5 Slide-outs

• High-gloss fiberglass exterior

• Aluminum framing and laminated walls

• Frameless windows

• MorRyde suspension system

• Two power awnings with LED lighting

• Central vacuum system

• In-command control system (smart RV features)