Generations
| Model | Size | Built around | Used market | Enclosed cab |
|---|---|---|---|---|
 Komatsu PC450 | 30-45 t | 1988 | rare | — |
 Komatsu PC450-6 | 30-45 t | 1997 | rare | — |
| Komatsu PC450LC6 | 30-45 t | 2000 | rare | — |
 Komatsu PC450LC | 30-45 t | 2000 | rare | — |
| Komatsu PC450LC6K | 30-45 t | 2001 | rare | — |
| Komatsu PC450LCD | 30-45 t | 2001 | rare | — |
| Komatsu PC450LC7K | 30-45 t | 2004 | 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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