Case 521EXT Wheel Loader

Bucket

Dump Clearance At Max Raise 9.13 ft in (2780 mm)
Bucket Capacity – Struck 1.77 yd3 (1.35 m3)
Bucket Width 8.37 ft in (2550 mm)
Bucket Capacity – Heaped 2.11 yd3 (1.61 m3)

Dimensions

Ground Clearance 1.24 ft in (377 mm)
Length With Bucket On Ground 21.83 ft in (6652 mm)
Width Over Tires 8.17 ft in (2489 mm)
Height To Top Of Cab 10.76 ft in (3277 mm)
Wheelbase 9.03 ft in (2750 mm)
Hinge Pin – Max Height 12.29 ft in (3743 mm)
Reach At Max Lift And Dump 3.67 ft in (1116 mm)

Engine Details

Number Of Cylinders 4
Engine Make Case
Engine Model 445TA/EGE
Net Power 118 hp (88 kw)
Gross Power 129 hp (96.2 kw)
Power Measured @ 1800 rpm
Max Torque 407 lb ft (551.9 Nm)
Displacement 274 cu in (4.5 L)
Torque Measured @ 1300 rpm
Aspiration Turbocharged
Torque Rise 19 %

Operational Specs

Operating Weight 26861 lb (12184 kg)
Fuel Tank Capacity 50 gal (189 L)
Hydraulic System Fluid Capacity 30.2 gal (114 L)
Engine Oil Fluid Capacity 3.2 gal (12 L)
Cooling System Fluid Capacity 5.9 gal (22 L)
Transmission Fluid Capacity 5 gal (18.9 L)
Front Axle/Diff Fluid Capacity 5.7 gal (21.5 L)
Rear Axle/Diff Fluid Capacity 5.7 gal (21.5 L)
Static Tipping Weight 15640 lb (7094.2 kg)
Turning Radius 16.4 ft in (4972 mm)
Operating Voltage 24 V
Alternator Supplied Amperage 70 amps
Rear Axle Oscillation 24 degrees
Tire Size 17.5 x 25 L3

Transmission

Number Of Forward Gears 4
Number Of Reverse Gears 3
Max Speed – Forward 22.3 mph (35.9 km/h)
Max Speed – Reverse 14.1 mph (22.7 km/h)

Hydraulic System

Relief Valve Setting 3625 psi (24993.5 kPa)
Pump Flow Capacity 35.4 gal/min (134 L/min)
Raise Time 5.6 sec
Dump Time 1.1 sec
Lower Time 2.7 sec
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