LEGO 955 Mobile Crane is a vintage Technic set from 1979 valued at $392 for new and sealed sets, up 700% from an original retail price of $49.00. Annual appreciation has averaged 4.53% since release. On the used market, values range from $93 to $114 based on condition.
LEGO 955-1 Mobile Crane is a Technic set released in 1979, containing 512 pieces. It is the U.S. release of set 855 Mobile Crane, which first appeared in Europe in 1978 under the Technical Set series, and was sold in the United States as part of the Expert Builder range. The model features a 360-degree slewing turntable, a telescoping boom, a hoist, and telescoping outriggers, reflecting the functional mechanical focus of early Technic sets. Instructions also included alternate builds such as a dump truck, a container hoist, and a shipyard crane.
A new and sealed Mobile Crane is currently valued at around $392, with annual growth of approximately 5%. The average used price is $95 for those in good overall condition. Based on current trends, this set could be valued near $410 within the next year.