Case CX260C - Page 26

INTRODUCTION
Uppercomponent
Swingunit
Swingmotorassembly
Swingmotor
Manufacturer
KawasakiHeavyIndustries,Ltd.
MotortypeFixeddisplacementpistonmotor
Withparkingbrake
Intakeamount
148.5cm³/rev(9.06in³/rev)
Operatingpressure28.9MPa(4191.945psi)
Operatingow214L/min(56.533USgpm)
Mechanicalbraketorque
846N·m(623.978lbft)min.
Brakeoffpressure2.9MPa(420.645psi)orless
Reliefvalvesetpressure28.9MPa(4191.945psi)
Swingreductiongear
ReductiongeartypePlanetarygear2-stagereductiongear
Reductionratio21.75
Dryweight
293kg(645.954lb)
Turntablebearing
No.ofteeth
92
Weight
373kg(822.324lb)
Counterweight
Weight
5250kg(11574.269lb)
Engine-related
Engine
EnginemodelnameIsuzu4HK1Xdieselengine
Enginetype
4-cycle,water-cooled,overheadcamshafttypestraightcylinder,direct
fuelinjectiontype(electroniccontrol)
Numberofcylinders-bore-stroke4-∅ 115mm(4.53in)-125mm(4.92in)
Totaldisplacement
5.193l(1.3718USgal)
Compressionratio
17.5
Ratedoutput
132.1kW(179.61Hp)/2000RPM
Maximumtorque
621.0N·m(458.03lbft)/about1500RPM
Fuelconsumptionratio
***g/kWhat2000RPM
Enginedryweight
About480kg(1058.219lb)
Enginedimension
L1020.4mm(40.1732in)-W829.0mm(32.638in)-H1011.8mm
(39.8346in)
Coolingfan∅ 650mm(25.591in)-suctiontype-7vanes,plastic
Withbellmouth-typefanguide
Pulleyratio
0.85(reduction)
Charginggenerator24V50AACtype
Startermotor24V5kW(6.8Hp)reductiontype
Coolantcapacity14.0l(14.000USgal)
Oilpancapacity
Max:20.5l(5.416USgal) Min:13.0l(3.434USgal)(notincluding
oillter)
DirectionofrotationRight(viewedfromfanside)
CompliantwithJISD0006-2000
Mufer
ManufacturerSankeiGikenKogyoCo.,Ltd.
TypeD280x700L
Maximumdisplacement
31800L/min(8400.7USgpm)
Weight
15kg(33.0693lb)
4787701401/07/2015
21