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Comparison · Excavator

Caterpillar 323 vs Hitachi ZX210LC-7

The Caterpillar 323 is about 9% heavier than the Hitachi ZX210LC-7 (25,000 vs 22,900 kg), which usually means more stability and lifting capacity but higher transport weight.

The Caterpillar 323 has about 6% more engine power (129 kW (173 hp) vs 122 kW (164 hp)).

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

Caterpillar 323
Caterpillar Caterpillar 323
Orange Hitachi Zaxis crawler excavator on an urban construction site
Hitachi Hitachi ZX210LC-7
Operating weight 25,000 kg (55,100 lb)22,900 kg (50,500 lb)
Engine power 129 kW (173 hp)122 kW (164 hp)
Net power (ISO 9249) 128.5 kW (172 hp) Tier 4 Final / Stage V; 117 kW (157 hp) Tier 3—
Max. digging depth 6.73 m (22 ft 1 in), R2.9 m stick6.67 m (21 ft 11 in), long arm; ≈6.2 m (20 ft 4 in) short arm
Max. reach at ground level 9.87 m (32 ft 4 in)—
Bucket digging force (ISO) 140 kN (31,505 lbf); 152 kN (34,205 lbf) with Auto Dig Boost158 kN (35,520 lbf) with power boost
Bucket capacity up to ≈1.30–1.38 m³ (1.70–1.80 yd³) HD—
Engine model Cat C7.1, six cylinders—
Displacement 7.01 L (428 in³)—
Gross power (ISO 14396) 129.4 kW (174 hp) Tier 4 Final / Stage V—
Emissions US EPA Tier 4 Final / EU Stage V; Tier 3-equivalent version for less regulated marketsEU Stage V / US EPA Tier 4 Final (Tier 3 versions in some markets)
Renewable fuels Biodiesel blends and 100% HVO renewable diesel—
Main system max. flow 429 L/min (113 gal/min), 2 × 215 L/min—
Max. pressure – equipment 35,000 kPa (5,075 psi); 38,000 kPa (5,510 psi) Heavy Lift / Auto Dig Boost—
Max. pressure – travel / swing 34,300 kPa (4,974 psi) / 27,500 kPa (3,998 psi)—
Stick digging force (ISO) 107 kN (24,050 lbf); 116 kN with boost, R2.9 m stick—
Swing speed 11.3 rpm11.4 rpm
Max. swing torque 82 kN·m (60,300 lbf·ft)—
Max. travel speed 5.7 km/h (3.5 mph)—
Max. drawbar pull 204 kN (45,861 lbf)—
Max. cutting height 9.45 m (31 ft 1 in)—
Max. loading height 6.48 m (21 ft 3 in)—
Max. vertical wall digging depth 5.62 m (18 ft 5 in)—
Depth for 2.44 m (8 ft) level bottom 6.56 m (21 ft 6 in)—
Counterweight 5,400 kg (11,900 lb)—
Tail swing radius 2.83 m (9 ft 3 in)—
Cab height 2.96 m (9 ft 9 in)—
Track shoes 600 mm (24 in) standard; 700 or 790 mm (28 or 31 in) optional—
Fuel tank 345 L (86.6 US gal)≈400 L (105.6 US gal)
Hydraulic system / tank 234 L / 115 L (61.8 / 30.4 US gal)—
Engine oil 25 L (6.6 US gal)—
Sound in cab (ISO 6396) 70 dB(A)—
Net power —122 kW (164 hp) at 2,000 rpm
Max. digging reach —9.92 m (32 ft 7 in)
Engine —Isuzu 4HK1, 4-cylinder, 5.2 L
Rated power (ISO 14396) —128.4 kW (172 hp) at 2,000 rpm
Hydraulic system —Hitachi TRIAS energy-saving hydraulic system with boom/arm regeneration
Arm crowd force (ISO) —114 kN (25,628 lbf) with power boost, long arm
Telematics —Hitachi ConSite with Global e-Service
Cameras —Aerial Angle 360° camera system (standard or option by market)
Strengths
  • + Heavier counterweight (5.4 t) and frame give more lift capacity and stability than the 320
  • + Six-cylinder C7.1 engine with strong low-speed torque
  • + Same factory Cat Grade, Payload, E-fence and Lift Assist technologies as the 320
  • + Still transportable like a 20-tonne machine in many regions
  • + Excellent resale and dealer support
  • + Some of the smoothest, most precise hydraulics in the class
  • + ConSite remote monitoring with monthly machine-health reports
  • + Strong Isuzu 4HK1 engine with simple, proven design
  • + Aerial Angle 360° camera view for safer work in congested sites
  • + Excellent reputation for reliability and resale in Europe, Asia and Australia
Watch-outs
  • − Same hydraulic flow (429 L/min) as the 320, so cycle-time gains come mainly from stability and bucket size
  • − Higher price and fuel burn than the 320
  • − Heavier: closer to transport limits with a large bucket and wide shoes
  • − Tier 4 Final / Stage V aftertreatment needs good DEF and fuel management
  • − Four-cylinder engine, though rated power matches six-cylinder rivals
  • − In North America the dealer network was rebuilt after the Deere–Hitachi split in 2022; check local support
  • − Less factory-integrated grade control than Cat or Komatsu i-machines
  • − Specifications vary considerably between regional versions
Full 323 reviewFull ZX210LC-7 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.