21 Ton Large Wheeled Hydraulic Excavator
Hydraulic system upgrade:
Main pump and main control valve: Kawasaki brand main pump and main control valve are used, and the main pump flow is increased, providing faster working speed and higher efficiency.
Hydraulic performance: The upgraded hydraulic system provides stronger digging force and more precise control, improving working performance.
Engine performance improvement:
Engine brand: Cummins engine, providing stronger power and better fuel economy.
Power increase: The increase in engine power means stronger digging ability and faster working speed.
The HW210 upgrades are as follows:
Safety: The HX series cab is welded with low-stress, high-strength steel, which enhances the safety protection of equipment and drivers.
Noise reduction: The average indoor noise is reduced by 5dB, and the average outdoor noise is reduced by 2.1dB (at 1200rpm), providing a quieter working environment for operators.
Improved sealing: The sealing component is installed at the bottom of the cab to effectively improve the sealing of the cab and reduce dust and noise intrusion.
Seat comfort: Equipped with advanced suspension seat, it enhances driving comfort and reduces operator fatigue.
Emergency safety device: A one-button emergency stop switch is standard to quickly cut off the power supply in an emergency to ensure the safety of people and vehicles.
Intelligent dashboard: The new intelligent 8-inch touch dashboard, with new functions such as fuel consumption display and remote upgrade, provides more powerful information display and operation convenience.
Maintenance convenience: The air conditioner outer filter replacement position is moved to the outside of the cab, simplifying the maintenance process.
Parameter
Operating Weight | 21920kg |
Engine power | 150kw/2000rpm |
Bucket loading capacity | 1.0 cubic meter |
Swing speed | 10.8 rpm |
Swing torque | 63.55 kN·m |
Travel speed | 9.3 km/hr (forward) / 35.5 km/hr (reverse) |
Gradability | 35° |
Maximum traction | 11.1 Ton |
Boom length | 5650mm |
Arm length | 2,920 mm (standard) / 2,700 mm (optional) |
engine mode | Cummins B7 |
Intake method | turbocharger |
| Fuel supply method | high pressure common rail |
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Daily inspection: Before and after each use, perform a visual inspection, including hydraulic oil, engine oil, coolant, belts, chains, fasteners, etc.
Weekly or every 50 hours: Perform a more detailed inspection, which may include cleaning or replacing the air filter, checking the level and quality of the hydraulic and engine oils, checking the battery status, etc.
Every 250 hours: It may be necessary to replace the engine oil and oil filter, hydraulic oil filter, fuel filter, etc., and perform a more in-depth inspection.
Every 500 or 1000 hours: Perform major maintenance, which may include replacing the hydraulic oil, checking and adjusting the hydraulic system, checking the seals of the engine and hydraulic pump, checking the electrical system, etc.
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