5. Caterpillar hydraulic excavator
Caterpillar’s 390D L Hydraulic Excavator features a load-sensing system to ensure high efficiency and productivity with minimal losses. The boom cylinder has a 8.27-in. bore and 77.44-in stroke, while the stick cylinder has a 8.66-in. bore and 89.05 in. stroke. Maximum system pressure is 5000 psi.