The 2018 Keystone Springdale Summerland Mini 1750RD is a lightweight travel trailer, typically weighing around 3,200â3,400 lbs dry, with an approximate 21' 5" length and 10' 2" height. Designed for couples or small families, it features a rear U-shaped dinette, a front east-west queen bed, and a full-size bathroom, with a 4-person sleeping capacity