Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
| Hitachi EX550-3 | 45-70 t | — | rare | — |
| Hitachi EX550BH | 45-70 t | — | rare | — |
| Hitachi EX550LCE | 45-70 t | 1994 | rare | — |
 Hitachi EX550LC | 45-70 t | 1995 | rare | — |
| Hitachi EX550LCE3 | 45-70 t | 1996 | rare | — |
| Hitachi EX550LC5 | 45-70 t | 1996 | known | — |
| Hitachi EX550H | 45-70 t | 1997 | rare | — |
| Hitachi EX550LCE5 | 45-70 t | 1999 | rare | — |
| Hitachi EX550ELC | 45-70 t | 2000 | rare | — |
| Hitachi EX550STD | 45-70 t | 2000 | rare | — |
Machinery calculators
Machine cost per hourTotal cost per operating hour · Buy or rent: break-even hours · Remaining value by hours usedExcavator productivityHourly production · Passes to fill a truck · Trucks needed to keep the loader busyHydraulic cylinderPush and pull force · Extension and retraction speed · Cycle timeField capacity and tractor workEffective field capacity · Time to work a field · Fuel per hectareGenerator sizing and fuelGenerator size for your loads · kW, kVA and current · Fuel consumption and runtimeUnit converterPower: kW, hp and PS · Torque: Nm, lb-ft and kgf·m · Pressure: bar, psi, kPa and atm
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