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Current number of specifications

Case 621EXT Wheel Loader

Selected Dimensions

G. Dump Clearance at Max Raise9.2 ft in2792 mm
A. Length with Bucket on Ground24.9 ft in7593 mm
B. Width Over Tires8.3 ft in2523 mm
C. Height to Top of Cab11.2 ft in3395 mm
D. Wheelbase9.5 ft in2900 mm
E. Ground Clearance1.2 ft in370 mm
F. Hinge Pin - Max Height13 ft in3956 mm
H. Reach at Max Lift and Dump3.7 ft in1141 mm


Number of Cylinders6
ModelFamily IV, 667TA/EDB, Tier III certified
Net Power146 hp109 kw
Gross Power156 hp116 kw
Power Measured @1800 rpm
Displacement409 cu in6.7 L
Torque Measured @1300 rpm
Max Torque
Torque Rise33 %
AspirationTurbocharged and Aftercooled
Operating Weight28709 lb13022.2 kg
Fuel Capacity65 gal246 L
Hydrauilc System Fluid Capacity39 gal147.6 L
Engine Oil Fluid Capacity3.5 gal13.2 L
Cooling System Fluid Capacity9.5 gal36 L
Transmission Fluid Capacity5 gal18.9 L
Front Axle/Diff Fluid Capacity5.8 gal22 L
Rear Axle/Diff Fluid Capacity5.8 gal22 L
Static Tipping Weight23376 lb10603 kg
Turning Radius16.9 ft in5245 mm
Operating Voltage24 V
Alternator Supplied Amperage65 amps
Rear Axle Oscillation24 degrees
Tire Size20.5 R25
Type4F/3R Proportional w/ Electronic Control Module torque sensing autoshift/manual shift and modulation
Number of Forward Gears4
Number of Reverse Gears3
Max Speed - Forward24 mph38.6 km/h
Max Speed - Reverse15.6 mph25 km/h
Hydraulic System
Pump Typeclosed centered pressure/flow compensated
Relief Valve Setting
Pump Flow Capacity45.2 gal/min171 L/min
Raise Time6.3 sec
Dump Time1.7 sec
Lower Time4.7 sec
Breakout Force24298 lb108.1 kN
Dump Clearance at Max Raise9.2 ft in2792 mm
Bucket Width8.5 ft in2602 mm
Bucket Capacity - heaped3 yd32.3 m3
Bucket Capacity - struck2.6 yd32 m3
Length with Bucket on Ground24.9 ft in7593 mm
Width Over Tires8.3 ft in2523 mm
Height to Top of Cab11.2 ft in3395 mm
Ground Clearance1.2 ft in370 mm
Wheelbase9.5 ft in2900 mm
Hinge Pin - Max Height13 ft in3956 mm
Reach at Max Lift and Dump3.7 ft in1141 mm