Abstract: The present invention provides provide adjustable dual rotary raking machines in which the lateral positions of the rotors and rakes may be moved while in use without stopping operation. The present invention also provides adjustable dual rotary raking machines which are suitable for collecting prunings from agricultural orchards or vineyards having low hanging branches. The present invention further provides adjustable dual rotary raking machines which may be easily collapsed for storage and transport into a small profile that allows multiple options for storing the machines, and does not require special permits to transport the collapsed machines on public roads.