21 Ton Powerful and High Stability Excavator with Low Energy Consumption
Product Description
The advantages of the R215VS excavator are:
1. Powerful: equipped with an efficient engine with excellent power and torque, it can easily handle various engineering operations. 2. High stability: It has functions such as weight-balanced design, balanced counterweight system and widened crawler tracks to ensure that the excavator maintains stability during work and improves safety.
3. Strong excavation ability: Equipped with a powerful excavation force system and a large-capacity excavation bucket, it can efficiently excavate various soils and materials.
4. Convenient operation: Using advanced rocker operation technology and ergonomic design, the operation becomes simpler, more comfortable and more precise.
5. Convenient maintenance: Equipped with an intelligent automatic lubrication system and a remote monitoring system, which can monitor the equipment status in real time, reduce the occurrence of faults, and facilitate maintenance.
6. Low energy consumption: The use of advanced hydraulic system and electronic control technology makes energy utilization more efficient, reduces fuel consumption, and reduces operating costs.
7. Strong adaptability: It has multiple working modes and accessory interfaces, which can adapt to various engineering requirements and provide more multi-functional choices.
Product Parameters
Specification
power traditional power
Bucket backhoe
Tonnage (tons) twenty one
Machine working weight (kg) 20900
Bucket capacity (m³) 0.92
Boom length (mm) 5650
Dipper length (mm) 2920
performance
Rotation speed (rpm) 11.4
Walking speed (km/h) 5.6/3.7
Climbing ability(%) 70
Power system
Engine model QSB7
Rated power(kw/rpm) 125/1900
Maximum torque(Nm) 63/1500
Displacement(L) 6.7
Number of cylinders (number) 6
Bore size × stroke (mm) 107×124
Cooling method water cooling
work form 6-cylinder, 4-stroke, water-cooled turbocharged engine
Hydraulic system
Main pump type Two variable displacement piston pumps
Travel hydraulic motor type Two-speed axial piston motor with brake valve and parking brake
Pilot pump type ( ) Gear pump, interactive sensing fuel saving pump system
Rotary hydraulic motor type Axial piston motor with automatic braking
Maximum flow rate of main pump (l/min) 2×222
Pilot oil circuit (MPa) 35
Working hydraulic oil circuit (Mpa) 300
Travel hydraulic circuit (Mpa) 350
Rotary hydraulic circuit (Mpa) 250
Boom cylinder - number × bore × stroke (mm) 2-ø125×ø85×1320
Stick cylinder - number × bore × stroke (mm) 1-ø140×ø95×1570
Bucket cylinder - number × bore × stroke (mm) 1-ø120×ø80×1120
oil capacity
Fuel tank(L) 340
Hydraulic oil tank(L) 180
Hydraulic system(L) 270
Engine oil replacement amount (L) twenty four
Coolant(L) 35
Body size
Total transportation length (mm) 9510
Total transportation width (mm) 2800
Total transportation height (mm) 2990
Counterweight ground clearance (mm) 1060
Minimum turning radius of front working device (mm) 3770
Back end turning radius (mm) 2830
Number of supporting sprocket wheels (one side) (pieces) 2
Number of track shoes (one side) (units) 46
Number of supporting wheels (one side) (units) 7
Scope of work
Maximum digging radius (mm) 9930
Maximum excavation radius of parking surface (mm) 9760
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