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SPECS / COMPARISON

Case 721D vs Komatsu WA320-6

A detailed comparison of the Case 721D and the Komatsu WA320-6. Click a model name to view its full specifications.

Weight
Case 721D13898.1 kg (30640 lbs)
Komatsu WA320-614369.8 kg (31680 lbs)
Operating Weight
Case 721D13898.1 kg (30640 lbs)
Komatsu WA320-614369.8 kg (31680 lbs)
SpecificationCase 721DCase 721DWheel LoadersKomatsu WA320-6Komatsu WA320-6Wheel Loaders
TypeWheel LoaderWheel Loader
Horsepower126.8 kW (170 hp)—
Weight13898.1 kg (30640 lbs)14369.8 kg (31680 lbs)
Tipping Capacity12528.2 kg (27620 lbs)—
Max Speed38.0 km/h (23.6 mph)38.1 km/h (23.7 mph)
Engine ModelFamily III 668TA/E2SAA6D107E-1
No Of Cylinders62
AspirationTurbocharged and air to air cooledTurbocharged, after cooled
Displacement6735.1 cc (411 cu in.)6690.9 cc (408.3 cu in.)
Alternator Supplied Amperage70 amps—
Operating Voltage24 V—
Rated Speed2000 RPM2000 RPM
Torque Speed1300 RPM—
Net Power126.8 kW (170 hp)—
Gross Power135.0 kW (181 hp)—
Peak Torque767.4 N-m (566 lbs ft)—
Torque Rise24.8 %—
Fuel Capacity246.1 l (65 gal)245.3 l (64.8 gal)
Engine Oil Capacity14.4 l (3.8 gal)23.1 l (6.1 gal)
Cooling Capacity37.1 l (9.8 gal)25.4 l (6.7 gal)
Hydraulic System Capacity193.4 l (51.1 gal)89.3 l (23.6 gal)
Transmission Oil Capacity25.7 l (6.8 gal)—
Differential Front Capacity30.7 l (8.1 gal)—
Differential Rear Capacity27.6 l (7.3 gal)—
No of Forward Gears44
No of Reverse Gears34
Rear Axle Oscillation24 °—
Max Speed (Forward)38.0 km/h (23.6 mph)38.1 km/h (23.7 mph)
Max Speed (Reverse)25.7 km/h (16 mph)23.7 km/h (14.7 mph)
Pump typeClosed centered pressure/flow compensatedGear type pump
Pump Flow206.3 LPM (54.5 GPM)172.2 LPM (45.5 GPM)
Relief Pressure250.0 bar (3626 psi)20.6 MPa 210 kgf/cm 2 2.990 psi
Raise Lift Arms5.6 sec6.1 sec
Lower Lift Time3.3 sec3.3 sec
Bucket Dump Time2.4 sec1.2 sec
Operating Weight13898.1 kg (30640 lbs)14369.8 kg (31680 lbs)
Tipping Load12528.2 kg (27620 lbs)—
Bucket Capacity (Heaped)2.7 m³ (3.5 cu yds)—
Bucket Capacity (Struck)2.3 m³ (3 cu yds)—
Bucket Width274.3 cm (108 in)274.3 cm (108 in)
Breakout Force13521.6 kg (29810 lbs)15720 kgf
Reach At Max Lift And Dump121.9 cm (48 in)—
Dump Clearance At Max Raise274.3 cm (108 in)—
Turning Radius579.1 cm (228 in)—
Wheelbase335.3 cm (132 in)304.8 cm (120 in)
Bucket Hinge Pin396.2 cm (156 in)—
Cab Height335.3 cm (132 in)304.8 cm (120 in)
Overall Length762.0 cm (300 in)731.5 cm (288 in)
Ground Clearance30.5 cm (12 in)30.5 cm (12 in)
Width Over Tires274.3 cm (108 in)243.8 cm (96 in)
Tire Size20.5 x25 L3—
Engine Type—Water-cooled, 4-cycle
Air Cleaner—Dry type
Stroke—45.5 cm (17.9 in)
Bore—7.1 cm (2.8 in)
Transmission Type—Hydrostatic
Service Brake—Hydraulically actuated

Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

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