An equipment holder for mounting on an access device of a vehicle, such as on a side rail of a retractable stair or ladder of the vehicle. The holder can be configured to hold one or more wheel chocks and/or one or more fire extinguishers. The holder can be mounted by a unique mounting bracket. Other equipment may be carried in the holder e.g. one or more radio communications handsets, first aid equipment, protective clothing (such as a hard hat, weatherproof jacket) or a tool kit, or combinations of two or more thereof. The holder can include a cradle or rack mounted to the access device by the mounting bracket.