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Comparison · Excavator

Caterpillar 323 vs Komatsu PC138USLC-11

The Caterpillar 323 is about 72% heavier than the Komatsu PC138USLC-11 (25,000 vs 14,500 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar 323 has about 68% more engine power (121 kW (162 hp) vs 72 kW (97 hp)).

Beyond the numbers, compare local dealer support, parts availability and resale value for Caterpillar and Komatsu in your region: over the life of a machine they often matter more than small specification differences.

Caterpillar 323
Caterpillar Caterpillar 323
Komatsu machine similar to the Komatsu PC138USLC-11 (related model may be pictured)
Komatsu Komatsu PC138USLC-11
Operating weight 25,000 kg (55,100 lb)14,500 kg (32,000 lb)
Engine power 121 kW (162 hp)72 kW (97 hp)
Net power ≈121 kW (162 hp)≈72 kW (97 hp)
Max. digging depth ≈6.7 m (22 ft)≈5.5 m (18 ft)
Engine Cat C7.1—
Tail swing —Tight (ultra-short)
Strengths
  • + More stability and lift than the 320
  • + Same Next Gen technology options
  • + Strong resale
  • + Works in a single traffic lane
  • + Good lifting for a short-tail machine
  • + KOMTRAX standard
Watch-outs
  • − Heavier to transport than a 320
  • − Less stable over the side than conventional machines
Full 323 reviewFull PC138USLC-11 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.