RD801 – Mobile Crane – Expert Builder 1980

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The mobile Crane – Expert Builder is one of the additional models shown in the extended building instructions back in the days. The Expert Builder series from Lego Technic always gave additional models based on combinations of sets.

This mobile crane was mainly inspired by set 855 Mobile Crane released in 1978. In combination with following sets:

  1. 850 Forklift released in 1977
  2. 871 gear parts a box with complementary parts
  3. 877 steering gear parts another box with complementary parts