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

FeatureCase 521DWheel loaderHyundai HL730-7AWheel loader
TypeWheel LoaderWheel Loader
Horsepower82.0 kW88.7 kW
Weight10028.9 kg9706.9 kg
Tipping Capacity8355.2 kg7878.9 kg
Max Speed37.7 km/h36.0 km/h
Engine ModelFamily III 445TA/M2, Tier IIQSB4.5
No Of Cylinders44
AspirationTurbocharged and AftercooledTurbocharged
Displacement4506.5 cc4501.5 cc
Alternator Supplied Amperage70 amps70 amps
Operating Voltage24 V24 V
Rated Speed2000 RPM2100 RPM
Torque Speed1400 RPM1400 RPM
Net Power82.0 kW88.7 kW
Gross Power88.7 kW93.2 kW
Peak Torque455.6 N-m553.2 N-m
Torque Rise14 %—
Fuel Capacity189.3 l202.1 l
Engine Oil Capacity12.9 l11.4 l
Cooling Capacity22.0 l30.3 l
Hydraulic System Capacity113.6 l160.1 l
Transmission Oil Capacity18.9 l20.1 l
Differential Front Capacity22.3 l18.5 l
Differential Rear Capacity22.3 l18.5 l
No of Forward Gears44
No of Reverse Gears33
Rear Axle Oscillation24 °24 °
Max Speed (Forward)37.7 km/h36.0 km/h
Max Speed (Reverse)24.5 km/h23.2 km/h
Pump typeClosed centered pressure/flow compensatedhelical gear type
Pump Flow134.0 LPM140.1 LPM
Relief Pressure189.6 bar206.2 bar
Raise Lift Arms5.6 sec5.6 sec
Lower Lift Time3.7 sec2.8 sec
Bucket Dump Time1.1 sec1 sec
Operating Weight10028.9 kg9706.9 kg
Tipping Load8355.2 kg7878.9 kg
Bucket Capacity (Heaped)1.9 m³1.8 m³
Bucket Capacity (Struck)1.6 m³1.5 m³
Bucket Width243.8 cm—
Breakout Force9502.8 kg9588.9 kg
Reach At Max Lift And Dump91.4 cm91.4 cm
Dump Clearance At Max Raise274.3 cm274.3 cm
Turning Radius487.7 cm—
Wheelbase274.3 cm274.3 cm
Bucket Hinge Pin365.8 cm365.8 cm
Cab Height304.8 cm304.8 cm
Overall Length670.6 cm670.6 cm
Ground Clearance30.5 cm30.5 cm
Width Over Tires243.8 cm243.8 cm
Tire Size17.5 x2517.5-25, 12PR, L3
Transmission Type—torque converter type
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