To simplify the attaching construction of flights and chains, and to make replacement easy in a conveyor for a muck loader comprising the conveyor vertically supported so as to be tiltable by a traveling vehicle, tilting vertically by the activation of a hydraulic cylinder, and provided with a table in the front end, and a boom attached with a bucket scraping in muck to the table in the front end and supported so as to be tiltable and expandable by the traveling vehicle, wherein the conveyor is provided with long wear plates extending in the muck conveying direction and the flights connected with a constant interval to endless chains disposed in both sides of the wear plates and moving on the wear plates by the circulation driving of the endless chains.

The chains are of roller chains 7, pins 12 connecting roller links 9 with each other in both sides of the roller rinks 9 protrude from the roller links 9, and the ends of the flights 11 are fit to the protruded parts and fixed by screwing nuts 13 to the protruded parts of the pins 12.