Case
521G
129 hp
Engine power
24,291 lb (11,018 kg)
Operating weight
20,933 lb (9,495 kg)
breakout force
1.8 m³
bucket capacity
189 l
fuel tank capacity
134 l/min
hydraulic flow


Equivalent across brands
Compare side by side →Comparable machines from other manufacturers, scored on normalised, manufacturer-sourced specs.
| Model | Match | Engine power | Operating weight | breakout force |
|---|---|---|---|---|
| Hitachi ZW140 | 97% | 129 hp | 22,906 lb (10,390 kg) | - |
| XCMG LW300FN | 97% | 123 hp | 22,928 lb (10,400 kg) | - |
| XCMG XC938 | 97% | 123 hp | 22,928 lb (10,400 kg) | - |
| John Deere 444P | 95% | 124 hp | 25,814 lb (11,709 kg) | - |
| Wacker Neuson WL95 | 94% | 136 hp | 22,906 lb (10,390 kg) | - |
| JCB 422ZX | 92% | 128 hp | 26,455 lb (12,000 kg) | - |
Documents
Full specifications
| Cylinders | 4 | ↗ |
| Displacement | 275 in3 (4.5 L) | ↗ |
| Engine Displacement | 4.5 L | ↗ |
| Engine Model | FPT F4HFE413NB (Tier 4 Final) | ↗ |
| Engine Power | 142 hp / 106 kW | ↗ |
| Engine Power (Max Mode) | 106 kW | ↗ |
| Max. Operating Weight | 25,201 lb (11,431 kg) | ↗ |
| Peak Torque (Max Mode) | 608 Nm | ↗ |
Every figure is traced to the manufacturer’s published data. ↗ opens the source.
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