A cutting platform (12) for use with an agricultural harvesting machine includesa plurality of platform sections (16,18,20), with each platform section includinga leading edge. At least one platform section includes a cutterbar assembly (22)movable in a localized manner in upwards and downwards directions, an endlessbelt (32), and a plurality of belt guides (34) positioned partially above theendless (32) belt adjacent the leading edge. The belt guides (34) are movablerelative to each other.