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The Develon DX800LC-7 crawler excavator is powered by the most powerful engine in the 80 tonne class and also has the highest hydraulic power. The machine has higher productivity, lower fuel consumption than average in its class.
| Fashion model | Perkins 2506J |
| Amount of cilinders | 6 |
| Rated power at 1800 rpm (SAE J1995) | ISO 14396, Gross |
| Rated power at 1800 rpm (SAE J1349) | 420 kW (530 hp) |
| max. torque at 1400 rpm | 251.7 kgf - m |
| Stationary (low - high) | 900 [±10] - 1800 [±10] rpm |
| Bore x Stroke Length | 137.2 x 171.4mm |
| starter motor | 24 V / 9 kW |
| Batteries, alternator | 2 x 12 V / 200 Ah - 24 V / 115 Ah |
| Air filter | Double element air filter and cyclone type bar separator with pre-filter |
| Main pumps, type | 2 x Variable displacement axial piston pumps |
| Maximum flow at 1800 rpm | 2 x 504 l/min |
| Servo pump, type | gear pump |
| Maximum flow at 1800 rpm | 50.4 l/min |
| Relief valve setting | |
| attachment | 357 kgf/cm² |
| To travel | 357 kgf/cm² |
| swivel | 357 kgf/cm² |
| pilot | 40.8 kgf/cm² |
| Maximum swing speed | 7.4 rpm |
| Maximum swing torque | 31,600 kgf m |
| Travel speed (low - high) | 2.9 - 4.8 km/h |
| Maximum traction | 70,700 kg |
| Maximum climbing ability | 35º / 70% |
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