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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

FeatureCase 821GWheel loaderLiebherr L556Wheel loader
TypeWheel LoaderWheel Loader
Horsepower153.6 kW164.8 kW
Weight18170.9 kg18402.2 kg
Max Speed36.7 km/h—
Engine ModelFPT F4HFE613SD944 A7
EmissionsTier 4—
No Of Cylinders64
Displacement6735.1 cc7964.1 cc
Alternator120 ampsV/A
Operating Voltage24 V—
Net Power153.6 kW164.8 kW
Gross Power171.5 kW167.8 kW
Peak Torque1184.0 N-m1430.4 N-m
Torque Rise47 %—
Fuel Capacity288.1 l280.1 l
Cooling Capacity30.3 l67.0 l
Transmission Oil Capacity34.4 l—
Diesel Exhaust Fluid59.1 l—
Differential Front Capacity40.1 l42.0 l
Differential Rear Capacity40.1 l34.8 l
Transmission TypePower shift—
No of Forward Gears4—
No of Reverse Gears3—
Service BrakeWet Multi Disc—
Rear Axle Oscillation24 °—
Max Speed (Forward)36.7 km/h—
Pump typePistonVariable axial piston pump
Pump Flow120.4 LPM234.7 LPM
Operating Weight18170.9 kg18402.2 kg
Bucket Capacity (Heaped)3.2 m³3.3 m³
Breakout Force15998.2 kg13258.5 kg
Reach At Max Lift And Dump182.9 cm91.4 cm
Wheelbase335.3 cm335.3 cm
Bucket Hinge Pin426.7 cm396.2 cm
Cab Height335.3 cm335.3 cm
Ground Clearance30.5 cm61.0 cm
Width Over Tires274.3 cm—
Tipping Capacity—13703.0 kg
Air Cleaner—Dry type filter with main and safety element, pre-cleaner, service indicator on the Liebherr display
Rated Speed—1800 RPM
Torque Speed—1100 RPM
Stroke—15.2 cm
Bore—13.2 cm
Engine Oil Capacity—26.1 l
Hydraulic System Capacity—174.9 l
Relief Pressure—300.0 bar
Raise Lift Arms—5.5 sec
Lower Lift Time—2.7 sec
Bucket Dump Time—2.3 sec
Tipping Load—13703.0 kg
Bucket Width—243.8 cm
Dump Clearance At Max Raise—274.3 cm
Turning Radius—640.1 cm
Overall Length—853.4 cm
Tire Size—23.5 R25 L3
Sourceheavyequipments.net archive (imported 2026-10)heavyequipments.net archive (imported 2026-10)
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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051