The CASE 621F wheel loader continues to bring to the worksite a tradition of reliability, performance, and efficiency. Best-in-class horsepower and massive torque to deliver power to every work cycle. Four power modes let operators match available engine power to the job while saving fuel. Stronger and faster hydraulics deliver superior productivity and performance.
အရံသင့္အသံုးျပဳႏိုင္ေသာ စက္ယႏၲရားမ်ားအတြက္
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အေျခခံအေဆာက္အအံုမ်ားတည္ေဆာက္ျခင္း
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ျပန္လည္သန္႔စင္အသံုးျပဳျခင္း
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ေက်ာက္ထုတ္လုပ္ေရး လုပ္ငန္း
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စိုက္ပ်ိဳးေရး
Полное описание
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ENGINE
Brand FPT
Model F4HFA613F
Cylinders 6
Displacement (l) 6.7
Air intake Turbocharger with air-to-air cooling
Injection Common Rail Multiple Injection
Emission level Tier 3
Max. power (kW) 128
Max. power (hp) 172
(@rpm) 1800 (SAE J1349)
Max. torque (N.m) 730
(@rpm) 1600 (SAE J1349)
TRANSMISSION
Type 4-Speed powershift by ZF with Intelligent Clutch Cut Off (ICCO)
Forward 1 (km/h) 7
Forward 2 (km/h) 13
Forward 3 (km/h) 24
Forward 4 (km/h) 39
Reverse 1 (km/h) 7
Reverse 2 (km/h) 14
Reverse 3 (km/h) 25
AXLES AND DIFFERENTIAL
Rear axle total oscillation 24°
A-Choice by ZF Heavy duty axles with open differentials and automatic. 100% lock system on the front differential.
100% tractive effort always, no wheel slip, less tire wear.
B-Choice by ZF Standard axles with limited slip differentials front and rear 73% tractive effort on slippery ground.
TYRES
Tyres 20.5R25
BRAKES
Service brake Maintenance free, self-adjusting wet 4-wheel disc brakes
Brake disc area (m²/hub) 0.39
Parking brake With the negative brake all four wheels are automatically stopped when the engine is stopped
Disc brake area (cm²) 58
HYDRAULICS
Valves Rexroth Closed-center, Load sensing hydraulic. Main valve with 3 sections
Steering The steering orbitrol hydraulically is actuated with priority valve
Automatic functions Bucket Return-to-dig, Boom Return-to-travel, Boom Auto-lift
Control type Pilot control with single joystick or two levers
Type of pump Tandem Variable displacement pump
(l/min) 171
(@rpm) 2000
AUXILIARY HYDRAULIC CIRCUIT
Max flow (l/min) 162
Max pressure (bar) 227
CAPACITIES
Fuel tank (l) 248
Cooling system (l) 26.8
Engine oil (l) 13
Hydraulic oil tank (l) 91
Transmission oil (l) 27
CAB PROTECTION
Protection against falling objects (FOPS) ISO EN3449
Protection against roll over (ROPS) ISO EN13510
NOISE AND VIBRATION
In the cab - LpA (dB) (ISO 6595/6396/3744) 71
Outside - LwA (dB) (SAE J88 SEP80) 103
Vibrations Operator ‘s seat meets the criteria of ISO 7096:2000. The vibrations transmitted do not exceed 0.5 m/s²
ELECTRICAL SYSTEM
24V. Batteries 2 x 12V.
Alternator (A) 65