Case CX250C - General Specification; Engine

INTRODUCTION
Generalspecication
Engine
Type
Water-cooled,4-cyclediesel,4-cylinderinline,Highpressure
commonrailsystem(electriccontrol),Turbochargerwithair
cooledintercooler
Model
ISUZUGI-4HK1X
(SAEJ1349,ISO9249)132.1kW(179.606Hp)(2000RPM)
Ratedywheelhorse
power
(ISO14396)140kW(190.347Hp)(2000RPM)
Pistondisplacement5.193L(1.37185USgal)
(SAEJ1349,ISO9249)622N·m(458.764lbft)(1800RPM)
Maximumtorque
(ISO14396)643N·m(474.252lbft)(1800RPM)
Boreandstroke
115mm(4.528in)x125mm(4.921in)
Voltage
24V
Alternator50A
Starter
24V5.0kW
Hydraulicsystem
Mainpumps
2variabledisplacementaxialpistonpumpswithregulatingsystem
Max.oilow
2x234L/min(61.816USgpm)(2000RPM)
34.3MPa(4975.2psi)
Boom/Arm/Bucket
36.8MPa(5337.840psi)withautopowerup
Swingcircuit28.9MPa(4191.945psi)
Workingcircuitpressure
Travelcircuit
34.3MPa(4975.2psi)
Pilotpump
1gearpump
Max.oilow
20L/min(5.283USgpm)
Workingcircuitpressure
3.9MPa(565.7psi)
Controlvalves
WithBoom/Armholdingvalve
One4-spoolvalveforRighttracktravel,Bucket,BoomandArmacceleration
One5-spoolvalveforLefttracktravel,Auxiliary,Swing,BoomaccelerationandArm
Swingdevice
Motor
Fixeddisplacementaxialpistonmotor
BrakeMechanicaldiscbrake
Finaldrive
Planetarygearreduction
TurntablebearingBallbearingtypewithinternalgear
Maximumswingspeed
11.0RPM
Swingtorque74900N·m(55243.40lbft)
CylindersNO.ofcylinders–boreXRoddiameterXStroke
Boom
2xØ130mm(5.118in)-Ø90mm(3.543in)-1335mm(52.559in)
Arm
1xØ145mm(5.709in)-Ø105mm(4.134in)-1660mm(65.354in)
Bucket
1xØ130mm(5.118in)-Ø90mm(3.543in)-1070mm(42.126in)
Coolingsystem
Fan
Ø650mm(25.591in)with7-blades
Radiatorcapacity
105.9kW
Fintype
Corrugatedn(wavytype)
Finspace1.75mm(0.06890in)
Longlifecoolant
Coolant55%,Water45%
Oilcoolercapacity
54.1kW
Fintype
Corrugatedn(wavytype)
Finspace1.75mm(0.06890in)
Intercoolercapacity
16.7kW
Fintype
Straightn
Finspace1.75mm(0.06890in)
Fuelcoolercapacity
1.3kW
4809034402/01/2017
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