The Case 621B is a wheel loader designed for material handling, loading, stockpiling, and general construction site work. It is part of Case's 621 series and is commonly used in aggregate yards, roadbuilding, agriculture, and industrial applications. The machine features a front-mounted loader bucket, articulated steering, and a diesel powertrain suited to repetitive loading cycles. Typical uses include moving soil, gravel, sand, and other bulk materials. The 621B is valued for its balance of maneuverability, lift capacity, and operator visibility. As a wheel loader, it is built for efficient loading and transport over short distances on prepared surfaces.
Bucket
Case 621B Wheel Loader Bucket specifications
Breakout Force
23,649.90 lbs (10,727.43 kg)
Bucket Capacity - heaped
2.30 cu yd (1.76 cu m)
Bucket Capacity - struck
1.90 cu yd (1.45 cu m)
Bucket Width
8.30 ft (2.53 m)
Dimensions
Case 621B Wheel Loader Dimensions specifications
Ground Clearance
1.40 ft (0.43 m)
Height - Top of Cab
10.70 ft (3.26 m)
Length with Bucket on Ground
22.50 ft (6.86 m)
Wheelbase
9.60 ft (2.93 m)
Width Over Tires
8.00 ft (2.44 m)
Engine
Case 621B Wheel Loader Engine specifications
Aspiration
Turbocharged
Bore
4.10 in (10.41 cm)
Displacement
359.00 cu in (5,882.97 cu cm)
Engine Model
6T-590
Gross Power
128.00 hp (95.45 kw)
Max torque ISO TR14396
404.10 lbs ft (547.88 nm)
Net Power
116.00 hp (86.50 kw)
Number of Cylinders
6
Power Measured @
2200 rpm
Stroke
4.80 in (12.19 cm)
Torque Measured @
1400 rpm
Hydraulic System
Case 621B Wheel Loader Hydraulic System specifications
Dump Time
1.5 seconds
Lower Time
4.4 seconds
Raise Time
5.7 seconds
Operating Specifications
Case 621B Wheel Loader Operating Specifications specifications
Alternator Supplied Amperage
65 amps
Engine Oil Fluid Capacity
4.00 gal (15.14 l)
Front Axle/Diff Fluid Capacity
2.60 gal (9.84 l)
Fuel Capacity
51.00 gal (193.04 l)
Hydraulic System Fluid Capacity
40.50 gal (153.29 l)
Operating Voltage
24 volts
Operating Weight
27,249.20 lbs (12,360.04 kg)
Rear Axle/Diff Fluid Capacity
2.60 gal (9.84 l)
Tire Size
20.5 R25
Transmission Fluid Capacity
5.10 gal (19.30 l)
Transmission
Case 621B Wheel Loader Transmission specifications
Max Speed - Forward
18.80 mph (30.26 kph)
Max Speed - Reverse
13.70 mph (22.05 kph)
Number of Forward Gears
4
Number of Reverse Gears
3
Transmission Type
Mechanical
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