2026 FOREST RIVER SIERRA 4003MB
Description
Introducing the 2026 Forest River RV Sierra 4003MB, a fifth-wheel designed for families and adventure seekers alike. With a generous length of 42.75 ft and the ability to sleep 8, this RV is perfect for creating lasting memories on the road. Enjoy the comfort of a 30,000 BTU air conditioning system and 40,000 BTU heater, ensuring you stay cozy in any climate. The spacious interior layout, complemented by four slides, offers ample room for relaxation and entertainment. With a dry weight of 12,609 lbs and a GVWR of 15,500 lbs, it's designed for easy towing. Schedule your tour today!
Height: 13.33Specifications
Stock Number9561
VIN4X4FSES21TJ054867
Year2026
CategoryFifth Wheel
ManufacturerFOREST RIVER
ModelSIERRA 4003MB
LocationWabash, Indiana 46992
ConditionNew
Fresh Water Tank Capacity50 gal
Gray Water Tank Capacity50 gal
Black Water Tank Capacity50 gal
Sleeps8
Number of Slide Outs4
Number of AxlesTandem
Exterior Length42 ft 9 in
Exterior Width8 ft
Exterior ColorWhite
Air ConditioningYes
Number of A/Cs1
Additional A/C PrepYes
Shipping Weight12,609 lb
Stock Number9561|
VIN4X4FSES21TJ054867|
Year2026|
CategoryFifth Wheel|
ManufacturerFOREST RIVER|
ModelSIERRA 4003MB|
LocationWabash, Indiana 46992|
ConditionNew|
Fresh Water Tank Capacity50 gal|
Gray Water Tank Capacity50 gal|
Black Water Tank Capacity50 gal|
Sleeps8|
Number of Slide Outs4|
Number of AxlesTandem|
Exterior Length42 ft 9 in|
Exterior Width8 ft|
Exterior ColorWhite|
Air ConditioningYes|
Number of A/Cs1|
Additional A/C PrepYes|
Shipping Weight12,609 lb|
