A wheel loader (1) is provided with a cab (6), a ladder (8), a vehicle body cover (10), an engine (15), an air cleaner (13), and an expansion member (9). The ladder (8) has first to third steps (81a to 81c). The air cleaner (13) is disposed to the outside of the vehicle body cover (10) and above and to the rear of the ladder (8). The expansion member (9) is able to assume an expanded posture and a retracted posture. The expansion member (9) abuts the second step (81 b) in the expanded posture.