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

FeatureCaterpillar 311CExcavatorHitachi EX120-5Excavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight11979 kg11793 kg
Horsepower59 kW60 kW
Digging Depth503 cm518 cm
Max Digging Depth503 cm518 cm
Max Loading Height548.6 cm594.4 cm
Max Reach Along Ground759.0 cm777.2 cm
Max Vertical Wall Digging Depth442.0 cm466.3 cm
Overall Length691.9 cm759.0 cm
Track Length3139.4 cm3474.7 cm
Length of Track on Ground262.1 cm289.6 cm
Reference Bucket Capacity0.5 m20.3 m2
Max Bucket Capacity0.8 m20.7 m2
Min Bucket Capacity0.3 m20.2 m2
Ground Clearance45.7 cm45.7 cm
Tail Swing Radius176.8 cm213.4 cm
Overall Width249.9 cm249.9 cm
Engine MakeCaterpillarIsuzu
Engine Model3064 TA-4BG1T
Net Power59 kW60 kW
Gross Power61 kw64.4 kW
Hydraulic Pump Flow Capacity106 LPM189 LPM
Hydraulic System Capacity160.1 l134.0 l
Relief Valve Pressure299 Bar343 Bar
Operating Weight11979 kg11793 kg
Max Travel Speed5.6 km5.6 km
Swing Speed10.6 RPM12.7 RPM
Cab Height277.4 cm274.3 cm
AspirationTurbochargedTurbocharged
Cooling Capacity17.4 l18.5 l
Fuel Capacity194.9 l250.2 l
Swing Drive Capacity3.0 l3.4 l
Engine Oil Capacity19.7 l16.3 l
Operating VoltageOperating Voltage 24 V—
Ground Pressure41.4 kPa37.2 kPa
Displacement4244.2 cc4326.2 cc
Shoe Size50.8 cm50.0 cm
Max Cutting Height780.3 cm835.2 cm
Alternator45 A—
Track Gauge198.1 cm201.2 cm
Drawbar Pull9.380 kg—
Rated Power—2100 RPM
Max Torque—314.0 Nm
Number of Carrier Rollers per Side—1
Number of Track Rollers per Side—7
Number of Shoes per Side—44
Removal Counterweight Clearance—91.4 cm
Torque Power—1600 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