Caterpillar 320C excavator:
Engine: Caterpillar 3066 T diesel engine
Gross power: 107 kW (144 hp) at 2,000 rpm
Operating weight: 20,800 kg
Bucket capacity range: 0.92-1.3 m³
Max digging depth: 6,680 mm
Max reach along ground: 10,380 mm
Max loading height: 7,310 mm
Caterpillar 320D excavator:
Engine: Caterpillar C6.4 diesel engine
Gross power: 107 kW (144 hp) at 1,800 rpm
Operating weight: 21,900 kg
Bucket capacity range: 1.0-1.6 m³
Max digging depth: 6,820 mm
Max reach along ground: 10,510 mm
Max loading height: 7,450 mm
Caterpillar 321C excavator:
Engine: Caterpillar 3066 ATAAC diesel engine
Gross power: 107 kW (144 hp) at 2,000 rpm
Operating weight: 22,300 kg
Bucket capacity range: 0.92-1.3 m³
Max digging depth: 6,920 mm
Max reach along ground: 10,700 mm
Max loading height: 7,510 mm