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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.

FeatureCase CX31B ZTSExcavatorHitachi ZX30U-2Excavator
Excavator TypeMini ExcavatorMini Excavator
Weight3030 kg3070 kg
Horsepower22 kW22 kW
Digging Depth283 cm283 cm
Max Digging Depth283 cm283 cm
Max Loading Height335.3 cm326.1 cm
Max Reach Along Ground493.8 cm—
Max Vertical Wall Digging Depth216.4 cm234.7 cm
Overall Length442.0 cm445.0 cm
Track Length1859.3 cm2011.7 cm
Length of Track on Ground155.4 cm167.6 cm
Reference Bucket Capacity0.1 m20.2 m2
Max Bucket Capacity0.2 m2—
Min Bucket Capacity0.1 m2—
Ground Clearance33.5 cm30.5 cm
Tail Swing Radius79.2 cm79.2 cm
Overall Width155.4 cm155.4 cm
Engine MakeYanmarYanmar
Engine Model3 TNV88-BPYB3 TNV88
Net Power22 kW22 kW
Gross Power24.7 kW23.9 kW
Rated Power2400 RPM2500 RPM
Hydraulic Pump Flow Capacity95 LPM79 LPM
Hydraulic System Capacity48.1 l58.3 l
Relief Valve Pressure230 Bar245 Bar
Operating Weight3030 kg3070 kg
Max Travel Speed4.5 km4.5 km
Swing Speed9 RPM9.3 RPM
Cab Height259.1 cm246.9 cm
Max Torque98.4 Nm105.1 Nm
Cooling Capacity4.5 l6.1 l
Fuel Capacity37.9 l40.1 l
Engine Oil Capacity6.8 l7.6 l
Operating VoltageOperating Voltage 12 VOperating Voltage 12 V
Ground Pressure30.3 kPa28.3 kPa
Number of Carrier Rollers per Side11
Number of Track Rollers per Side44
Displacement1638.7 cc1643.6 cc
Shoe Size30.2 cm30.2 cm
No of Cylinders43
Max Cutting Height475.5 cm469.4 cm
Alternator24 A—
Track Gauge128.0 cm128.0 cm
Removal Counterweight Clearance57.9 cm57.9 cm
Torque Power1440 RPM1500 RPM
Drawbar Pull3.926 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