John Deere Part Number: RE555553 – Diagnostics Display Unit Gauge. The John Deere Part Number RE555553 is a diagnostics display unit gauge specifically designed for John Deere equipment. This part is essential for monitoring and displaying vital information related to the functioning of the heavy equipment, providing operators with important data to ensure optimal performance and maintenance. The compatibility with John Deere equipment makes it a reliable and efficient component for those in need of accurate diagnostics and monitoring capabilities. Weight – 0.44 lb. Height – 3.7 in. Width – 3.75 in. Length – 4.25 in. Fits John Deere EXCAVATOR LOGGER 2154D 2454D 2954D 3754D GENSET 6090.