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2009 Monaco RV Signature Fortress IV

Sale Price

$179,999

MSRP

$668,139

Condition: Used
Stock Number: 335C
VIN: 1RF17561091049437
Miles: 171,768

Visit Our Location

3032 E. Main Street,
Mesa, AZ 85213

Overview & Specs

View Additional Specifications  
Length

Length

44' 11"
Width

Width

8' 5"
Height

Height

12' 8"
Height

Weight

50,300
Sleeps

Sleeps

8
Fresh Water

Fresh Water

100
Black Water

Black Water

40
Slide Outs

Slide Outs

4+ Slide Outs

Description

2009 Monaco Signature Fortress IV 650 – 650HP Luxury at a Wholesale Price

Don’t miss your chance to own one of the most powerful and prestigious coaches ever built—the 2009 Monaco Signature Fortress IV 650. Powered by an awe-inspiring Cummins ISX 650HP diesel engine, this 45-foot luxury motorcoach sits atop the legendary Roadmaster S-Series semi-monocoque chassis with ten airbags and ten Bilstein shocks for the ultimate ride.

Yes, this unit has high miles—but that’s exactly why we’ve priced it well below wholesale book value. You’re getting top-tier Monaco engineering, a powerhouse drivetrain, and premium features typically reserved for six-figure price tags.

Performance & Power

  • Cummins ISX 650HP engine – the most powerful engine offered in its class
  • Allison 4000 MH 6-speed transmission
  • Roadmaster S-Series chassis with a tag axle for superior stability and control
  • 10 air bags and 10 Bilstein shocks for a smooth, confident ride
  • Jake Brake with 3-position control for safe mountain descents

Floorplan: Fortress IV 650

The Fortress IV layout offers a true residential feel with opposing front slides, a spacious mid-ship galley, and a luxurious rear bedroom suite. Designed for full-time luxury living or long-range travel.

  • Full-wall galley with slide-out countertop and pull-out peninsula
  • UltraComfort leather seating, including a J-lounge sofa and Euro recliner
  • Roadside desk/dinette combo with custom solid surface table
  • Mid-ship entertainment center with 42-inch LCD TV and surround sound
  • King bed suite with full-width rear wardrobe, dresser, and LCD bedroom TV
  • Stacked washer/dryer, tile flooring, and custom cabinetry

Gourmet Galley Features

  • Residential stainless steel refrigerator
  • 30-inch convection microwave
  • Recessed cooktop with Corian covers
  • Fisher & Paykel dishwasher drawer
  • Pull-out galley island for extra prep space
  • Premium cabinets with adjustable shelving and full extension drawers

Spa-Inspired Bath

  • Split bath with solid surface shower, designer glass door, and skylight
  • Vanity with solid surface top and designer fixtures
  • Separate private water closet with second lav sink

Specs & Dimensions

  • Length: 45′ 0″
  • Engine: Cummins ISX 650HP
  • Fuel Capacity: 150 gallons
  • GVWR: 51,300 lbs
  • Fresh Water: 100 gallons
  • Grey Water: 78 gallons
  • Black Water: 59 gallons
  • LP Gas: 38 gallons
  • Towing Capacity: 15,000 lbs

Premium Touches Throughout

  • Hydronic Aqua-Hot heating system
  • Power basement slide trays
  • Girard power awnings
  • Solar panels
  • Rear and side-view cameras
  • Full-body paint with clear coat finish

This 2009 Monaco Signature Fortress IV 650 is your opportunity to own a flagship luxury coach with unmatched horsepower, ride quality, and amenities. We’ve priced it under wholesale to reflect the mileage—making this an unbeatable value in the high-end diesel pusher market.

Contact us today to schedule a showing or request a virtual walkthrough. Deals like this don’t last long.

Additional Specifications

Price
MSRP $668,139
MSRP + Destination $668,139
Currency US Dollars
Basic Warranty 12 Months
Basic Warranty 24,000 Miles
Structure Warranty 60 Months
Structure Warranty 50,000 Miles
Chassis Warranty 36 Months
Chassis Warranty 50,000 Miles
Powertrain Warranty 60 Months
Powertrain Warranty 100,000 Miles
Engine
Engine Brand Name Cummins
Chassis Brand Roadmaster
Engine Type I6 Diesel Pusher
Chassis Model S Series
Cylinders 6
Horsepower (bhp) 525
Horsepower (kW) 391.8
Torque (Ft Lbs) 1650
Torque (Nm) 2237.1
Torque RPM 1200
Displacement (l) 15
Fuel Type Diesel
Fuel Requirements Regular
Carburetion Type Fuel Injected
Turbocharged Yes
Supercharged No
Transmission
Transmission Brand Allison
Transmission Type Automatic
Number Of Speeds 6
Overdrive Yes
Driveline
Driveline Type 4X2
Dimensions
Length (ft) 44.92
Length (in) 539
Length (ft/ft) 44
Length (ft/in) 11
Length (m) 13.7
Length (mm) 13700
Width (in) 100.5
Width (mm) 2552.7
Height (in) 152
Height (mm) 3860.8
Interior Height (in) 84
Interior Height (mm) 2133.6
Wheelbase (in) 280
Wheelbase (mm) 7112
Weight
Towing Capacity (lbs) 10000
Towing Capacity (kgs) 4536
GVWR (lbs) 50300
GVWR (kgs) 22816.1
Capacities
Fuel Capacity (gal) 150
Fuel Capacity (l) 567.8
Holding Tanks
Number Of Fresh Water Holding Tanks 1
Total Fresh Water Tank Capacity (gal) 100
Total Fresh Water Tank Capacity (l) 378.5
Number Of Gray Water Holding Tanks 1
Total Gray Water Tank Capacity (gal) 72
Total Gray Water Tank Capacity (l) 272.5
Number Of Black Water Holding Tanks 1
Total Black Water Tank Capacity (gal) 40
Total Black Water Tank Capacity (l) 151.4
Propane Tank(s)
Number Of Propane Tanks 1
Total Propane Tank Capacity (gal) 25
Total Propane Tank Capacity (lbs) 106
Construction
Body Material Aluminum
Sidewall Construction Fiberglass
Doors
Number of Doors 1
Sliding Glass Door No
Slideouts
Number of Slideouts 4
Power Retractable Slideout Yes
Awning
Number of Awnings 1
Power Retractable Awning Yes
Screened Room No
Leveling Jacks
Leveling Jack Type Front Power / Rear Power
Battery
Battery Power Converter Yes
Kitchen
Kitchen Flooring Type Tile
Kitchen Table Configuration Chairs
Kitchen Location Center
Oven / Stove Layout Oven / Stove
Number Of Oven Burners 2
Overhead Fan Yes
Refrigerator Size Full-Size
Refrigerator Power Mode Electric / Propane
Living Area
Living Area Flooring Type Carpet
Living Area Location Front
Number Of Sofas 2
Sofa Material Leather
Number Of Recliner / Rockers 1
Material Leather
Beds
Max Sleeping Count 8
Number Of Bunk Beds 0
Number Of Double Beds 0
Number Of Full Size Beds 0
Number Of Queen Size Beds 1
Number Of King Size Beds 0
Number Of Convertible / Sofa Beds 2
Master Bedroom
Master Bedroom Flooring Type Carpet
Master Bedroom Door Style Full Sliding Door
Full Size Master Bedroom Closet Yes
Master Bedroom Mirror Doors Yes
Master Bedroom Shades / Curtains Yes
Master Bedroom Location Rear
Bathroom
Number Of Bathrooms 1
Bathroom Flooring Type Tile
Bathroom Location Center
Toilet Type Porcelain
Shower Door Type Plastic / Glass
Wheels & Tires
Wheels Composition Aluminum
Number Of Axles 2
Tire Brand Goodyear
Front Tire Width 315
Front Tire Aspect Ratio 80
Front Wheel Diameter 22.5
Rear Tire Width 290
Rear Tire Aspect Ratio 80
Rear Wheel Diameter 22.5
Front Tire (Full Spec) Goodyear 315/80 R22.5
Rear Tire (Full Spec) Goodyear 295/80 R22.5
Brakes
Front Brake Type Hydraulic Disc
Rear Brake Type Hydraulic Disc
Rear Hitch
Rear Hitch Type Receiver
Seats
Seat Type Bucket
Seat Material Leather
Power Adjustable Seat Yes
Reclining Seats Yes
Swivel Seats Yes
Seat Armrests Yes
Number Of Seats 2
Number Of Rows 1
Prewiring
Air Conditioning Prewiring Yes
Cable Prewiring Yes
Heat Prewiring Yes
TV Antenna Prewiring Yes
Satellite Prewiring Yes
Washer / Dryer Prewiring Yes
Heating & Air Conditioning
Heater Type Automatic
Air Conditioning Type Automatic
Air Conditioning (BTUs) 45,000
Water Heater Tank
Water Heater Pump Power Mode Electrical / Propane
Water Heater Tank Bypass Yes
Audio / Visual
Radio Brand Name Bose
Number Of Radios 2
Satellite Yes
Speaker Location(s) Interior
Surround Sound Yes
CD Player # Of Discs 6
Number Of Televisions 2
Paint & Interior Decor
Primary Color Black
Secondary Color Silver
Paint Swatch File Name Monaco/Ralph_Lauren_Black_Pearl_Exterior_Color.gif
Wallpaper Yes
Interior Wood Finish Yes