Atlas 20006623 HO Scale Thrall 53' 3 Unit Articulated Well Car "Blue Patch" DTTX 888737 FasTrack Crossing MTH Premier 20 3855 O Scale MTH Premier 20 3855 O Scale Union Pacific Auxiliary Water Tender UP 809 Jim Adams “model selection” is not required Multi Function knob Adjustable steering and throttle percentage (dual rates) Adjustable steering and throttle sensitivity (exponential) Adjustable steering and throttle end points High 13ms frame rate and near zero latency for responsive control Telemetry ready 5 channel micro receiver Clipless Body Mount System Quick one hand installation and removal Uses pivoting rear latch mechanism Eliminates body posts and clips Reinforced for extra protection against tearing Drivetrain Full time shaft driven 4 wheel drive Torque Biasing Center Drive™ absorbs shocks and distributes power 17mm keyed wheel hex with 5mm nut Sealed Each car consists of three wells A Atlas 20006623 HO Scale Thrall 53' 3 Unit Articulated Well Car "Blue Patch" DTTX 888737