EXCAVATOR / DIGGER and POWER CRANE, 2 pieces, Lego, Technic, 8853 and 8854, launched in 1988 and 1989 respectively. Both with manuals. 8854 with original box. Toys - Toys - Auctionet
LEGO 8854 Power Crane Set Parts Inventory and Instructions - LEGO Reference Guide
Technicopedia: 8854
LEGO Technic 8854 - Power Crane - DECOTOYS
Legendary 8854 LEGO Technic Power Crane - about Dr. Jey first mission :-) - My Lego Talk