2026 Forest River Sierra 3900HBLR Specifications
Spec, Photos, and Model Information
Vehicle Specifications
2026 Forest River Sierra 3900HBLR
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Air ConditioningStandard
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Air Conditioning (BTUs)30000
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AwningStandard
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Number Of Bathrooms2
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Bathroom SinkStandard
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Max Sleeping Count4
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Length (ft/ft)42
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Length (ft/in)9
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Length (m)13
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DVD PlayerNot Available
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Exterior LadderNot Available
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Freeze Proof InsulationStandard
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GeneratorNot Available
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Heater (BTUs)40000
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Total Black Water Tank Capacity (gal)104
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Total Black Water Tank Capacity (l)393.7
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Total Fresh Water Tank Capacity (gal)50
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Total Fresh Water Tank Capacity (l)189.3
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Total Gray Water Tank Capacity (gal)136
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Total Gray Water Tank Capacity (l)514.8
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Generic Type (Primary)Fifth Wheel
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Revision StatusCarryover
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Kitchen / Living Area Flooring TypeCarpet / Vinyl
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Kitchen Table ConfigurationCounter / Island
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Leveling Jack TypeFront Power / Rear Power
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Master BedroomStandard
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Master Bedroom Flooring TypeVinyl
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Power Retractable Entry StepsNot Available
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Basic Warranty (Months)12
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Total Propane Tank Capacity (gal)14.2
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