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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 EX400-5ExcavatorKomatsu PC450-6 MIGHTYExcavator
Excavator TypeLarge ExcavatorLarge Excavator
Weight41912 kg42240 kg
Horsepower224 kW227 kW
Digging Depth741 cm777 cm
Max Digging Depth741 cm777 cm
Max Loading Height691.9 cm759.0 cm
Max Reach Along Ground1118.6 cm1182.6 cm
Max Vertical Wall Digging Depth548.6 cm685.8 cm
Overall Length1182.6 cm1194.8 cm
Track Length4846.3 cm4815.8 cm
Length of Track on Ground405.4 cm402.3 cm
Reference Bucket Capacity1.8 m21.8 m2
Max Bucket Capacity2.3 m2—
Min Bucket Capacity1.4 m2—
Ground Clearance51.8 cm57.9 cm
Tail Swing Radius347.5 cm350.5 cm
Overall Width335.3 cm335.3 cm
Engine MakeIsuzuKomatsu
Engine ModelA-6RB1TQASA6D125E
Net Power224 kW227 kW
Gross Power232.9 kW235.9 kW
Rated Power2000 RPM2050 RPM
Hydraulic Pump Flow Capacity719 LPM651 LPM
Hydraulic System Capacity520.1 l270.3 l
Relief Valve Pressure343 Bar348 Bar
Operating Weight41912 kg42240 kg
Max Travel Speed5.6 km5.6 km
Swing Speed9 RPM9.3 RPM
Cab Height317.0 cm329.2 cm
AspirationTurbocharged—
Max Torque1230.1 Nm—
Cooling Capacity45.0 l—
Fuel Capacity605.3 l605.3 l
Swing Drive Capacity8.3 l—
Engine Oil Capacity50.3 l—
Ground Pressure77.2 kPa79.3 kPa
Number of Carrier Rollers per Side2—
Number of Track Rollers per Side8—
Number of Shoes per Side47—
Displacement13732.4 cc11041.6 cc
Shoe Size60.2 cm60.2 cm
Max Cutting Height1018.0 cm1094.2 cm
Alternator40 A—
Track Gauge274.3 cm274.3 cm
Removal Counterweight Clearance125.0 cm134.1 cm
Torque Power1400 RPM—
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