The 2021 Keystone Montana 3121RL is a 35-foot, 3-slide, luxury fifth wheel featuring a rear living layout, a kitchen island, and a residential refrigerator. It has a dry weight of approximately 11,999–12,056 lbs, a GVWR of 16,350 lbs, and features a king-size bed, 6-point hydraulic leveling, and dual power awnings.Key SpecificationsLength: 35 feetDry Weight: $\sim$11,999–12,056 lbsHitch Weight: $\sim$2,280–2,350 lbsGVWR: 16,350 lbsSlides: 3Sleeps: 4Height: 13' 4"Tank CapacitiesFresh Water: 66 GallonsGray Water: 88 GallonsBlack Water: 49 GallonsHighlighted FeaturesConstruction/Exterior: 6-point hydraulic leveling system, 2" towing hitch, Trail Air hitch, frameless windows, two power awnings with LED lights, and outside speakers.Interior: Rear living area with power recliners, trifold hide-a-bed sofa, electric fireplace, and a large TV on an arm.Kitchen: Island kitchen with a residential refrigerator, pantry, power outlet towers, and a coffee station.Bedroom: Residential king-size mattress, washer/dryer prep, large closet, and a dresser.Heating/Cooling: 2x 15k BTU A/C units and a 5,100 BTU electric fireplace.The 3121RL model specifically designates a residential refrigerator setup compared to the 3120RL, which often features a gas/electric absorption refrigerator. The 2021 Keystone Montana 3121RL is a 35-foot, 3-slide, luxury fifth wheel featuring a rear living layout, a kitchen island, and a residential refrigerator. It has a dry weight of approximately 11,999–12,056 lbs, a GVWR of 16,350 lbs, and features a king-size bed, 6-point hydraulic leveling, and dual power awnings.Key SpecificationsLength: 35 feetDry Weight: $\sim$11,999–12,056 lbsHitch Weight: $\sim$2,280–2,350 lbsGVWR: 16,350 lbsSlides: 3Sleeps: 4Height: 13' 4"Tank CapacitiesFresh Water: 66 GallonsGray Water: 88 GallonsBlack Water: 49 GallonsHighlighted FeaturesConstruction/Exterior: 6-point hydraulic leveling system, 2" towing hitch, Trail Air hitch, frameless windows, two power awnings with LED lights, and outside speakers.Interior: Rear living area with power recliners, trifold hide-a-bed sofa, electric fireplace, and a large TV on an arm.Kitchen: Island kitchen with a residential refrigerator, pantry, power outlet towers, and a coffee station.Bedroom: Residential king-size mattress, washer/dryer prep, large closet, and a dresser.Heating/Cooling: 2x 15k BTU A/C units and a 5,100 BTU electric fireplace.The 3121RL model specifically designates a residential refrigerator setup compared to the 3120RL, which often features a gas/electric absorption refrigerator.,
