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Home / Wheel Loaders / Case Wheel Loaders / Case 721B

Case 721B Specifications

The Case 721B wheel loader driveline system components: a 505 cu.in (8.3L) Case 6T-830 six-cylinder turbocharged liquid-cooled diesel engine with a rated power of 140 hp (103.7 kW), and full powershift transmission with 4 forward and 3 reverse gears. The hydraulic system has a gear pump with a rated capacity of 56.4 gal/min (214 l/min). The Case 721B is equipped with an articulated steering system, hydraulic wet disc brakes, and 20.5x25 or 17.5x25 tires. The wheel loader has a max lift height to hinge pin of 145" (3685 mm) and breakout force of 30325 lbs (13780 kg). The rated operating capacity is 9840 lbs (4470 kg), and tipping load is 19675 lbs (8985 kg).

Engine Specs

Engine Model ....................... Case 6T-830
Engine Type ....................... Six-cylinder turbocharged liquid-cooled diesel
Number of Cylinders ....................... 6, vertical inline
Displacement, cu.in (L) ....................... 505 (8.3)
Cylinder Bore, in (mm) ....................... 4.49 (114.0)
Piston Stroke, in (mm) ....................... 5.32 (135.0)
Aspiration Type ....................... Turbocharged
Rated Engine Power, hp (kW) ....................... 140.0 (103.7)
Rated Engine Speed, rpm ....................... 2100
Idle Speed, rpm ....................... 825-2395
Maximum Torque, Nm (lb-ft) ....................... 618 (458)
Torque Speed, rpm ....................... 1500
Compression Ratio ....................... 16.5:1
Firing Order ....................... 1-5-3-6-2-4
Fuel System ....................... Direct injection
Fuel Injection ....................... Mechanical
Lubricating System ....................... Forced lubrication
Cooling System ....................... Liquid-cooled
Valve Clearance (Intake), in (mm) ....................... 0.012 (0.31)
Valve Clearance (Exhaust), in (mm) ....................... 0.024 (0.61)
Fuel Tank Capacity, gal (L) ....................... 54.0 (205.0)
Oil Capacity, qts (L) ....................... 22.0 (21.0)
Coolant Capacity, qts (L) ....................... 33.9 (32.3)
Electrical System Rating, Volts ....................... 12
Charging System ....................... Alternator
Alternator Rating, Amps ....................... 65

Transmission

Transmission Type .................... Full Powershift
Gearbox Type .................... 4F/3R
Number of Forward Gears .................... 4
Number of Reverse Gears .................... 3
Torque Converter Type .................... Single stage
Torque Converter Ratio .................... 3.00:1
Oil Capacity, gal (L) .................... 6.0 (22.7)
Maximum Forward Speed, mph (kph) .................... 22.2 (35.7)
Maximum Reverse Speed, mph (kph) .................... 14.2 (22.9)

Wheels and Tires

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydraulic power
Service Brakes Type .................... Hydraulic wet disc
Front Tire Size (Std) .................... 20.5x25
Rear Tire Size (Std) .................... 20.5x25
Front Tire Size (Opt) .................... 17.5x25
Rear Tire Size (Opt) .................... 17.5x25
Front Tire Size (Opt) .................... 20.5R25
Rear Tire Size (Opt) .................... 20.5R25
Front Tire Size (Opt) .................... 17.5R25
Rear Tire Size (Opt) .................... 17.5R25

Hydraulic System

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Tandem, gear
Pump Capacity, gpm (Lpm) .................... 56.4 (214.0)
System Pressure, psi (Bar) .................... 2525 (174)
Hydraulic Reservoir Capacity, gal (L) .................... 23.8 (90.2)
Hydraulic System Capacity, gal (L) .................... 40.5 (153.5)

Loader Performance

Rated Operating Capacity (Straight), lbs (kg) .................... 11700 (5320)
Rated Operating Capacity (Full Turn), lbs (kg) .................... 9840 (4470)
Tipping Load (Straight), lbs (kg) .................... 23400 (10640)
Tipping Load (Full Turn), lbs (kg) .................... 19675 (8985)
Breakout Force, lbs (kg) .................... 30325 (13780)

Dimensions and Weight

Maximum Operating Height, in (mm) .................... 195 (4955)
Maximum Lift Height To Hinge Pin, in (mm) .................... 145 (3685)
Height To Top Of Cab, in (mm) .................... 128 (3250)
Length With Bucket On Ground, in (mm) .................... 270 (6860)
Width (Tread Center), in (mm) .................... 78 (1980)
Width (Over Tires), in (mm) .................... 100 (2540)
Wheel Base, in (mm) .................... 114 (2895)
Ground Clearance, in (mm) .................... 16.5 (420)
Articulation Angle, deg .................... 40
Bucket Width, in (mm) .................... 103 (2610)
Bucket Capacity, cu.ft (m3) .................... 64.6 (1.83)
Digging Depth, in (mm) .................... 2.5 (64)
Clearance With Bucket Dumped, in (mm) .................... 112.2 (2850)
Reach At Full Height, in (mm) .................... 39.8 (1010)
Turning Radius (w/Bucket), in (mm) .................... 225.5 (5725)
Operating Weight, lbs (kg) .................... 28750 (13070)

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WHEEL LOADERS SPECIFICATIONS

Wheel Loaders, Skid Steers, and Compact Track Loaders