Overview
The CASE Construction Equipment Case 521EXT is a wheel loader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 118 hp, operating weight of 26,861 lb, fuel capacity of 50.0 gal and hydraulic capacity of 30.2 gal. This model can be reviewed for loading, stockpile work, material handling, yard operations, and fleet comparison workflows. Use the full specifications table to compare the CASE Construction Equipment Case 521EXT against similar wheel loader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
26,861
lb
Net Power
118
hp
Gross Power
138
hp
Bucket Capacity - Heaped
2.11
yd3
Full Specifications
44 specs
Dimensions
Bucket Capacity - Heaped
2.11 yd³ / 1.61 m³
Bucket Capacity - Struck
1.77 yd³ / 1.35 m³
Bucket Width
8.37 ft / 2.55 m
Dump Clearance At Max Raise
9.13 ft / 2.78 m
Ground Clearance
1.24 ft / 0.38 m
Height to Top of Cab
10.76 ft / 3.28 m
Hinge Pin - Max Height
12.29 ft / 3.75 m
Length With Bucket On Ground
21.83 ft / 6.65 m
Reach At Max Lift And Dump
3.67 ft / 1.12 m
Wheelbase
9.03 ft / 2.75 m
Width Over Tires
8.17 ft / 2.49 m
Engine
Alternator Supplied Amperage
70 A
Cooling System Fluid Capacity
5.90 gal / 22.3 L
Displacement
274 cu in / 4.5 L
Engine Make
2239
Engine Model
445TA/EGE
Engine Oil Fluid Capacity
3.20 gal / 12.1 L
Front Axle/Diff Fluid Capacity
5.70 gal / 21.6 L
Fuel Capacity
50 gal / 189.3 L
Gross Power
129 hp / 96.2 kW
Hydraulic System Fluid Capacity
30.20 gal / 114.3 L
Max Speed - Forward
22.30 mph / 35.9 km/h
Max Speed - Reverse
14.10 mph / 22.7 km/h
Max Torque
407 lb-ft / 552 Nm
Net Power
118 hp / 88.0 kW
Number of Cylinders
4
Number of Forward Gears
4
Number of Reverse Gears
3
Operating Voltage
24 V
Operating Weight
26,861 lb / 12,184 kg
Power Measured @
1,800 rpm
Rear Axle Oscillation
24 lb / 11 kg
Rear Axle/Diff Fluid Capacity
5.70 gal / 21.6 L
Static Tipping Weight
15,640 lb / 7,094 kg
Torque Measured @
1,300 rpm
Torque Rise
19 lb-ft / 26 Nm
Transmission Fluid Capacity
5 gal / 18.9 L
Turning Radius
16.40 ft / 5.00 m
Hydraulics
Dump Time
1.10 sec
Gross Power
138 hp / 102.9 kW
Lower Time
2.70 sec
Pump Flow Capacity
35.40 gal/min / 134.0 L/min
Raise Time
5.60 sec
Relief Valve Setting
3,625 psi / 249.9 bar
Related Machines
Related Guides & Articles
Mar 14, 2026
Wheel Loader vs Skid Steer: Which Machine Fits Your Job Best?
Read article →
Mar 17, 2026
Inside the Power of Two Giant Cat 990 Wheel Loaders – Massive Coal Loading Operation
Read article →
Mar 17, 2026
Ultimate Guide to Mega Machines: Excavators, Haulers, Wheel Loaders & Bulldozers in 4K
Read article →
Frequently Asked Questions
What is the operating weight of the CASE Construction Equipment Case 521EXT? +
The CASE Construction Equipment Case 521EXT has an operating weight of 26,861 lb (12,184 kg). This places it in a class suited for wheel loader applications where ground pressure and transport weight are key considerations.
How powerful is the CASE Construction Equipment Case 521EXT engine? +
The CASE Construction Equipment Case 521EXT produces 129 hp (96.2 kW) of engine power. This output is typical for its weight class and designed to handle demanding Wheel Loader work cycles efficiently.
How does the CASE Construction Equipment Case 521EXT compare to similar Wheel Loader models? +
You can compare the CASE Construction Equipment Case 521EXT side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.