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Home / Wheel Loaders / Case Wheel Loaders / Case 721

Case 721 Specifications

The Case 721 wheel loader is powered by 505 cu.in (8.3L) Case 6T-830 4-stroke 6-cylinder direct injection turbocharged liquid-cooled diesel engine with a rated power of 140 hp (103.7 kW) at 2100 rpm. The Case 721 is equipped with a 4-speed powershift transmission, hydraulic power steering system, hydraulic wet disc brakes, and 20.5x25 standard tires. The open center hydraulic system has a gear pump with fluid flow rate of 30.9 gpm (117 lpm). The wheel loader has a rated operating capacity of 9920 lbs (4500 kg) and tipping load of 19840 lbs (9000 kg). The maximum lift height is 145" (3685 mm) to hinge pin, and bucket breakout force is 30240 lbs (13745 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 ....................... 17.3:1
Firing Order ....................... 1-5-3-6-2-4
Fuel System ....................... Direct injection
Fuel Injection ....................... Mechanical
Lubricating System ....................... Positive pressure
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) ....................... 62.0 (235.0)
Oil Capacity, qts (L) ....................... 23.5 (22.4)
Coolant Capacity, qts (L) ....................... 33.7 (32.1)
Electrical System Rating, Volts ....................... 12
Charging System ....................... Alternator
Alternator Rating, Amps ....................... 45

Transmission

Transmission Type .................... Powershift
Gearbox Type .................... 4F/3R
Number of Forward Gears .................... 4
Number of Reverse Gears .................... 3
Torque Converter Type .................... Single stage
Torque Converter Ratio .................... 2.86:1
Oil Capacity, gal (L) .................... 6.0 (22.7)
Maximum Forward Speed, mph (kph) .................... 22.3 (35.9)
Maximum Reverse Speed, mph (kph) .................... 14.1 (22.6)

Wheels and Tires

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydraulic power
Service Brakes Type .................... Hydraulic 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) .................... 30.9 (117.0)
System Pressure, psi (Bar) .................... 2500 (172)
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) .................... 12360 (5605)
Rated Operating Capacity (Full Turn), lbs (kg) .................... 9920 (4500)
Tipping Load (Straight), lbs (kg) .................... 24718 (11212)
Tipping Load (Full Turn), lbs (kg) .................... 19840 (9000)
Breakout Force, lbs (kg) .................... 30240 (13745)

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) .................... 271 (6885)
Width (Tread Center), in (mm) .................... 78 (1980)
Width (Over Tires), in (mm) .................... 99.8 (2535)
Wheel Base, in (mm) .................... 114 (2895)
Ground Clearance, in (mm) .................... 16.5 (420)
Articulation Angle, deg .................... 40
Bucket Width, in (mm) .................... 102 (2590)
Bucket Capacity, cu.ft (m3) .................... 74.1 (2.10)
Digging Depth, in (mm) .................... 2.8 (71)
Rollback Angle At Ground, deg .................... 41
Dump Angle At Full Height, deg .................... 55
Clearance With Bucket Dumped, in (mm) .................... 112 (2845)
Reach At Full Height, in (mm) .................... 40.6 (1020)
Turning Radius (w/Bucket), in (mm) .................... 225 (5715)
Operating Weight, lbs (kg) .................... 28890 (13105)

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WHEEL LOADERS SPECIFICATIONS

Wheel Loaders, Skid Steers, and Compact Track Loaders