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SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureHitachi ZX850HExcavatorKomatsu PC750SE-7Excavator
Excavator TypeLarge ExcavatorLarge Excavator
Weight75900 kg76245 kg
Horsepower339 kW339 kW
Digging Depth725 cm713 cm
Max Digging Depth725 cm713 cm
Max Loading Height783.3 cm752.9 cm
Max Reach Along Ground1243.6 cm1194.8 cm
Max Vertical Wall Digging Depth435.9 cm408.4 cm
Overall Length1432.6 cm1304.5 cm
Track Length6126.5 cm5395.0 cm
Length of Track on Ground512.1 cm451.1 cm
Reference Bucket Capacity3.4 m24.1 m2
Max Bucket Capacity3.8 m26.0 m2
Min Bucket Capacity1.4 m23.7 m2
Ground Clearance88.4 cm85.3 cm
Tail Swing Radius432.8 cm432.8 cm
Overall Width438.9 cm411.5 cm
Engine MakeIsuzuKomatsu
Engine ModelBB-6WG1TSAA6D140E-3
Net Power339 kW339 kW
Gross Power347.0 kW347.0 kW
Rated Power1800 RPM1800 RPM
Hydraulic Pump Flow Capacity30 LPM488 LPM
Hydraulic System Capacity670.0 l440.2 l
Relief Valve Pressure343 Bar—
Operating Weight75900 kg76245 kg
Max Travel Speed4.3 km4.3 km
Swing Speed8.2 RPM6.8 RPM
Cab Height365.8 cm347.5 cm
AspirationTurbochargedTurbocharged, aftercooled
Max Torque1863.0 Nm—
Cooling Capacity107.1 l85.2 l
Fuel Capacity901.3 l880.1 l
Swing Drive Capacity15.1 l24.6 l
Engine Oil Capacity55.3 l55.3 l
Operating VoltageOperating Voltage 12 V—
Ground Pressure103.4 kPa124.1 kPa
Number of Carrier Rollers per Side33
Number of Track Rollers per Side98
Number of Shoes per Side5147
Displacement15682.4 cc15241.6 cc
Shoe Size65.0 cm61.2 cm
Max Cutting Height1170.4 cm1133.9 cm
Track Gauge347.5 cm350.5 cm
Removal Counterweight Clearance161.5 cm158.5 cm
Torque Power1500 RPM—
Drawbar Pull—57.000 kg
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051