Video Gallery

excavating retaining wall and foundation . 
Cat 320C

Run Time:  1:20 sec

demonstrating 'pick force' and the resulting grinding pattern.  
Cat 320C

Run time: 0:51 sec

rotary grinder turning california 'blue rock' into fill material  

Run time: 1:25 sec

rotary grinding head remounted in-line to create a narrow no layback keyway.
cat 426c

Run time: 1:12 sec