Front frame (50) constituting the front part (2) of a so-called ''articulate type'' wheeled loader (1) whose front part (2) and rear part (3) are separated and are connected to each other. This front frame (50) consists of a lower frame (20) for supporting front wheels and an upper frame (40) fixed onto this lower frame (20) and having formed thereon a bucket cylinder pivot (32), a boom pivot (30) and a boom cylinder pivot (31). Particularly, this upper frame (40) consists of a single sheet (41) on which the bucket cylinder pivot (32) and the boom pivot (30) are formed, and of a pair of frame cylinder pivot members (42) which are connected to both ends of the single sheet (41) and on which the boom cylinder pivot (31) is formed. The upper frame (40) is handled as a unit as a whole when a pivot hole is provided therein or when the upper frame (40) is fitted onto the lower frame (20).
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