Komatsu Mining on Twitter: "Happy #ThrowbackThursday! We're going back to 1991, when the P&H 4100 electric rope shovel was first manufactured. #TBT #P&H #mining #miningequipment https://t.co/QUqLjJEs0d" / Twitter
Electric rope shovels - Surface mining - Australia | Komatsu Mining Corp.
Joy Global to be renamed Komatsu Mining Corp.
Komatsu Mining - Happy #ThrowbackThursday! #TBT to 1954, when P&H rolled out the Model 1800 electrical #mining shovel; mines refer to this model as the "Pride of the Pit." #komatsumining #miningshovel #miningequipment | Facebook
A History of P&H Mining Equipment - YouTube
A Mammoth Machine: The P&H 4800XPC Electric Rope Shovel - MINING.COM
P&H 4100XPC AC mining electric rope shovel | Komatsu