Case CX490C - Engine-related

INTRODUCTION
Shoe
ApplicabilityCX490C(LC),CX500C
(LC)(MASSExcavator)
WeightorQuantity
600grouser
2581kg(5690.131lb)
Link1set
Shoe
50
Bolt200
Nut200
750grouser
2930kg(6459.544lb)
Link1set
Shoe
50
Bolt200
Nut200
Uppercomponent
Swingunit
Swingmotorassembly
Swingmotor
ManufacturerHyestCorporation
MotortypeFixeddisplacementpistonmotor
Withparkingbrake
Intakeamount
250cm³/rev(15.26in³/rev)
Operatingpressure29.4MPa(4264psi)
Operatingow360l/min(360.0000USgpm)
Mechanicalbraketorque
1288N·m(949.980lbft)min.
Brakeoffpressure2.9MPa(421psi)orless
Reliefvalvesetpressure29.4MPa(4264psi)
Swingreductiongear
ReductiongeartypePlanetarygear2-stagereductiongear
Dryweight
537kg(1183.882lb)
Turntablebearing
No.ofteeth
92
Weight
656kg(1446.232lb)
Counterweight
WeightCX500C(LC)(MASS
Excavator)
10000kg(22046.226lb)
WeightCX490C/CX490C(LC)9180kg(20238.436lb)
Engine-related
Engine
EnginemodelnameIsuzu6UZ1Xdieselengine
Enginetype
4-cycle,water-cooled,overheadcamshafttype,verticalin-line,direct
injectiontype(electroniccontrol)
Numberofcylinders-bore-stroke6-∅ 120mm(4.72in)-145mm(5.71in)
Totaldisplacement
9.839L(2.599USgal)
Compressionratio
17.5
Ratedoutput
270kW(367.10Hp)/2000RPM
Maximumtorque
1363N·m(1005.3lbft)/about1500RPM
Fuelconsumptionratio
227.6g/kWhorlower.
Enginedryweight
About840kg(1851.883lb)
Enginedimension
L1235mm(48.6220in)-W935mm(36.811in)-H1260mm
(49.6063in)
Coolingfan∅ 1016mm(40.000in)-suctiontype-6vanes,plasticandsteel
Pulleyratio
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