From left to right in pic 2 are
Euclid R65,65 ton truck,P1710 Cummins,950 hp
2 Caterpillar 775D trucks,65 ton cap,3412 Cat,1100 hp
773B Caterpillar,50 ton cap,3412 Cat,900 hp
769C Caterpillar,40 ton cap,converted to a water truck used to wet haul roads and stockpiles,also a fuel truck,3408...