CASE CONSTRUCTION CX130B - Swing Unit and Travel Lower Body; Swing Unit Specifications; Travel Lower Body and Roller Specifications

Issued 06-15
1002-19
Swing unit
Swing circle ........................................................................................................... Swing bearing type (with internal gear)
Swing parking brake................................................................................ Mechanical lock (operational lever linkage type)
Swing hydraulic motor..................................................................................................... Fixed displacement piston motor
Displacement ............................................................................................................................. 65 cm
3
(3.97 cu in)/rev
Operating pressure ........................................................................................................................ 27.9 MPa (4046 psi)
Operating flow............................................................................................................................. 130 L/min(34.34 gpm)
Mechanical brake torque ...................................................................................................336.1 Nm (243.89 lb-ft) min.
Brake off pressure ................................................................................................................2.9 MPa (420.61 psi) max.
Relief valve set pressure .......................................................................................................27.9 MPa (4046 psi) max.
Reduction gear....................................................................................................... Planetary gear 2-stage reduction gear
Reduction ratio.......................................................................................................................................................17.03
Travel lower body
Travel hydraulic motor (x2) ......... Variable displacement piston motor, automatic 2-speed switch-over with parking brake
Displacement ...........................................................................................................44.9/74.3 cm
3
(2.74/4.53 cu in)/rev
Operating pressure ........................................................................................................................ 34.3 MPa (4975 psi)
Operating flow............................................................................................................................ 130 L/min (34.34 gpm)
Brake torque ........................................................................11.1 KNm (8186.9 Ib-ft) min. (including reduction gear)
Relief valve set pressure................................................................................................................ 37.3 MPa (5410 psi)
Automatic 2-speed switch-over pressure...................................................... 25 to 27 MPa (3625.94 to 3916.01 psi)
Reduction gear....................................................................................................... Planetary gear 2-stage reduction gear
Reduction ratio............................................................................................................................................................54
Travel brake.................................................................................................................................................. Hydraulic lock
Parking brake ................................................................................................... Mechanical lock (travel lever linkage type)
Track shoe
Model ........................................................................................................................Assembly type triple grouser shoe
Number of shoes (per side)
CX130B ..................................................................................................................................................................43
Shoe width
Stand
ard........................................................................................................................................700 mm (27.55 in)
Grouser height ...................................................................................................................................... 20 mm (0.79 in)
Link pitch.......................................................................................................................................... 171.5 mm (6.75 in)
Roller
Number of upper rollers (per side) ................................................................................................................................1
Number of lower rollers (per side) ................................................................................................................................7
Track belt tension adjuster ...............................................................................Grease cylinder type (with cushion spring)
Mounting length of spring...................................................................................................................... 419 mm (16.50 in)