The Case 521D is a wheel loader designed for material handling, loading, and general construction applications. It is part of Case's D-series lineup and is commonly used in aggregate, landscaping, municipal, and site preparation work. The machine features a front-mounted loader arm and bucket arrangement for moving soil, gravel, sand, and other bulk materials. Typical wheel loader characteristics include articulated steering, four-wheel drive, and a cab configured for operator visibility and control. The 521D is referenced in equipment listings, parts catalogs, and fleet inventories as a mid-size Case wheel loader used in utility and construction environments.
Bucket
Case 521D Wheel Loader Bucket specifications
Breakout Force
20,951.00 lbs (9,501.59 kg)
Bucket Capacity - Heaped
2.5 cu yd
Bucket Capacity - Struck
2.12 cu yd
Bucket Width
8.10 ft (2.47 m)
Dump Clearance At Max Raise
9.06 ft (2.76 m)
Dimensions
Case 521D Wheel Loader Dimensions specifications
Ground Clearance
1.24 ft (0.38 m)
Height
10.33 ft (3.15 m)
Height To Top Of Cab
10.41 ft (3.17 m)
Hinge Pin - Max Height
11.82 ft (3.60 m)
Length
22.00 ft (6.71 m)
Length With Bucket On Ground
22.01 ft (6.71 m)
Reach At Max Lift And Dump
3.47 ft (1.06 m)
Weight
21,603.00 lbs (9,798.97 kg)
Wheelbase
9.03 ft (2.75 m)
Width
7.50 ft (2.29 m)
Width Over Tires
7.58 ft (2.31 m)
Engine
Case 521D Wheel Loader Engine specifications
Aspiration
Turbocharged and Aftercooled
Displacement
275.00 cu in (4,506.45 cu cm)
Engine Make
2239
Engine Model
Family III 445TA/M2, Tier II certified
Gross Power
119.00 hp (88.74 kw)
Max Torque
336.00 lbs ft (455.55 nm)
Net Power
110.00 hp (82.03 kw)
Number Of Cylinders
4
Power Measured @
2000 rpm
Torque Measured @
1400 rpm
Torque Rise
14 %
Hydraulic System
Case 521D Wheel Loader Hydraulic System specifications
Dump Time
1.1 sec
Lower Time
3.7 sec
Pump Flow Capacity
35.40 gpm (133.99 lpm)
Pump Type
closed centered pressure/flow compensated
Raise Time
5.6 sec
Relief Valve Setting
2750 psi
Operational
Case 521D Wheel Loader Operational specifications
Alternator Supplied Amperage
70 amps
Cooling System Fluid Capacity
5.80 gal (21.95 l)
Engine Oil Fluid Capacity
3.40 gal (12.87 l)
Front Axle/Diff Fluid Capacity
5.90 gal (22.33 l)
Fuel Capacity
50.00 gal (189.25 l)
Hydraulic System Fluid Capacity
30.00 gal (113.55 l)
Operating Voltage
24 V
Operating Weight
22,109.00 lbs (10,026.76 kg)
Rear Axle Oscillation
24 degrees
Rear Axle/Diff Fluid Capacity
5.90 gal (22.33 l)
Static Tipping Weight
18,424.00 lbs (8,355.56 kg)
Tire Size
17.5x25
Transmission Fluid Capacity
5.00 gal (18.93 l)
Turning Radius
16.30 ft (4.97 m)
Transmission
Case 521D Wheel Loader Transmission specifications
Max Speed - Forward
23.40 mph (37.66 kph)
Max Speed - Reverse
15.20 mph (24.46 kph)
Number Of Forward Gears
4
Number Of Reverse Gears
3
Transmission Type
4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation
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