First start of the Caterpillar D4! Sixteen months in the making!
1:12:47
Cat D4 hydraulic pump rebuild and direct start improvements
1:12:20
Installing the engine and hydraulic pump into an excavator - Hitachi EX120-2
1:41:44
1952 Caterpillar D4 Dozer, Sitting 10+ years! (Will it Run!??)
35:33
Will it Start!? BARN FIND 1950s Caterpillar Dozer!
43:08
I bought a broken excavator
1:15:03
After 2 years, it's FINALLY done!! Finishing the Caterpillar D4 rebuild
50:16
Caterpillar D4-7U FINALLY moving under its own power after rebuild
33:12