Patent ID: 7549241

Claim:
A hydraulic control device for a loader, comprising: an arm direction changeover valve that controls a supply of pressure oil to an arm cylinder; a bucket direction changeover valve that controls a supply of pressure oil to a bucket cylinder; a first pilot check valve provided between a first chamber of the arm cylinder and a tank; and a second pilot check valve provided between a second chamber of the arm cylinder and the tank; the hydraulic control device for a loader bringing an arm into a floating state by opening the first pilot check valve and the second pilot check valve; wherein the improvement comprises: an arm block in which the arm direction changeover valve is provided; a first block in which one of the first pilot check valve and the second pilot check valve is provided; and a second block in which the other one of the first pilot check valve and the second pilot check valve is provided; wherein the three blocks, namely, the arm block, the first block, and the second block are arranged side by side; and wherein the first block and the second block are arranged to be contiguous to each other.