Comparison · Excavator

Caterpillar 320 vs Caterpillar 374

The Caterpillar 374 is about 222% heavier than the Caterpillar 320 (72,500 vs 22,500 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar 374 has about 191% more engine power (352 kW (472 hp) vs 121 kW (162 hp)).

	Caterpillar Caterpillar 320	Caterpillar Caterpillar 374
Operating weight	22,500 kg (49,600 lb)	72,500 kg (159,800 lb)
Engine power	121 kW (162 hp)	352 kW (472 hp)
Net power	≈121 kW (162 hp)	≈352 kW (472 hp)
Max. digging depth	≈6.7 m (22 ft)	—
Engine	Cat C7.1	Cat C15
Max. reach at ground level	≈9.9 m (32 ft 6 in)	—
Bucket capacity	0.9–1.5 m³ (1.2–2.0 yd³)	—
Fuel tank	≈345 L (91 US gal)	—
Emissions	EPA Tier 4 Final / EU Stage V	—
Strengths	+ Factory-integrated Cat Grade with 2D and Assist features + Up to 25% lower maintenance cost than the previous F-series, according to Cat + Excellent resale value and dealer support worldwide	+ Massive digging forces + Robust structures for rock work
Watch-outs	− Higher purchase price than most rivals − Technology packages add significant cost − Electronic complexity can mean dealer-only diagnostics	− Needs large haul trucks to be efficient
	Full 320 review	Full 374 review

Specifications are typical figures for standard configurations and may be measured differently by each manufacturer (for example net vs gross power). Always confirm with the manufacturer or dealer. Build another comparison.