[MOC] LEGO Technic truck with concrete pump

INSTRUCTIONS ARE ONLINE:
rebrickable.com/mocs/MOC-2971...
Lego Technic truck with concrete pump, features:
- 1x L-motor for 5 functions
- spread outriggers
- extend tront outriggers
- lower them
- 2x pneumatic pumps
- arm rotation
- 2 front axle steered with different angle and Ackerman geometry
- 2 rear axles drive V8 engine under the cabin
- fully suspended, live axles
- 3 section arm, pneumatically operated
- tiltable cabin
- modular construction
I'm working on instructions, once availble they will be placed on rebrickable.com