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

FeatureCaterpillar 320D LRRExcavatorCaterpillar 321D LCRExcavator
Excavator TypeMid-Size ExcavatorMid-Size Excavator
Weight23700 kg23530 kg
Horsepower110 kW110 kW
Digging Depth768 cm671 cm
Max Digging Depth768 cm671 cm
Max Loading Height694.9 cm792.5 cm
Max Reach Along Ground920.5 cm978.4 cm
Max Vertical Wall Digging Depth698.0 cm591.3 cm
Overall Length877.8 cm890.0 cm
Track Length4389.1 cm4389.1 cm
Length of Track on Ground365.8 cm365.8 cm
Reference Bucket Capacity1.1 m21.1 m2
Ground Clearance45.7 cm45.7 cm
Tail Swing Radius201.2 cm167.6 cm
Overall Width320.0 cm298.7 cm
Engine MakeCaterpillarCaterpillar
Engine ModelC6.4 ACERTC6.4 ACERT
Net Power110 kW110 kW
Gross Power118.8 kW118.8 kW
Hydraulic Pump Flow Capacity204 LPM204 LPM
Hydraulic System Capacity212.0 l208.2 l
Relief Valve Pressure360 Bar350 Bar
Operating Weight23700 kg23530 kg
Max Travel Speed5.6 km5.6 km
Swing Speed11.5 RPM11.5 RPM
Cab Height295.7 cm298.7 cm
Cooling Capacity25.0 l25.0 l
Fuel Capacity291.5 l329.3 l
Swing Drive Capacity7.9 l7.9 l
Engine Oil Capacity30.3 l30.3 l
Operating VoltageOperating Voltage 24 VOperating Voltage 24 V
Stroke13.2 cm13.2 cm
Bore10.4 cm10.4 cm
Number of Carrier Rollers per Side22
Number of Track Rollers per Side88
Number of Shoes per Side4949
Displacement6374.6 cc6374.6 cc
Shoe Size81.3 cm61.0 cm
Max Cutting Height993.6 cm1100.3 cm
Alternator50 A50 A
Track Gauge240.8 cm—
Drawbar Pull21.007 kg21.007 kg
Max Bucket Capacity—1.6 m2
Removal Counterweight Clearance—45.7 cm
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