The XR311 is a re-release kit that was originally available in 1977. It was Tamiya’s first suspension equipped RC buggy.

The 2012 re-release incorporates modern improvements while maintaining the basic layout of the original.
   
Features

    1/12 scale R/C assembly kit
    Overall length: 405mm
    Overall width: 173mm
    Overall height: 135mm
    Clearance: 15mm
    Wheelbase: 260mm
    Tread (front/rear): 140/144mm
    Chassis material: duralumin 52S
    Steering tie rods: 2 segments of an equal length
    Suspension: front and rear double wishbone
    Caster angle (front/rear): 0 degree
    Camber angle (front/rear): 0 degree
    Toe angle (front/rear): 0 degree
    Drive system: rear wheel drive
    Diff. gear system: no
    Tyre width (front and rear): 29mm
    Tyre diameter (front/rear): 75mm
    Tread pattern (front and rear): balloon tyre
    Compatible with 7.2 volt stick-type battery packs
    Realistic injection-moulded body features cockpit details and a driver figure
    Includes Tamiya TEU-104BK ESC (electronic speed control)