Case cx40b mini excavator service repair manual

Page 21

2. SPECIFICATIONS

2.3

SPECIFICATIONS AND PERFORMANCE

SPEED AND GRADEABILITY Model Applicable Machines Shoe Type

CX40B

CX50B

PH05-03501~

PJ04-03001~

Rubber shoe Iron shoe (OPT) Rubber shoe Iron shoe (OPT)

Slewing Speed

min-1 {rpm}

Travel Speed

km/h (mph)

Gradeability

8.8 {8.8}

8.8 {8.8}

Low (1st)

High (2nd)

Low (1st)

High (2nd)

Low (1st)

High (2nd)

Low (1st)

High (2nd)

2.8

4.6

2.8

4.6

2.8

4.6

2.8

4.6

% (degree)

58(30)

ENGINE Model (YANMAR)

4TNV88-XYB

Type

Water-cooled, 4-cycle type Swirl chamber type diesel engine

Number of cylinders-Bore × Stroke

4 - ø88 mm × 90 mm (3.46 in × 3.54 in)

Total Displacement

L

Output Rating

2.189 (134 cu•in)

kW/min-1 {PS/rpm}

30.4 / 2400 {41.3 / 2400}

N•m/min-1 (lbf•ft/rpm)

98.4 / 1440 (72.6 / 1440)

Maximum Torque Starting Motor Generator

V × kW

12 × 2.3

V×A

12 × 55

HYDRAULIC COMPONENTS Hydraulic Pump

Variable displacement axial piston + gear pump

Hydraulic Motor

Axial piston

Hydraulic Motor w/Reducer (Travel)

2-Axial piston, 2-Speed motor

Control Valve

11-spool multiple control valve

Cylinder (Boom, Arm, Swing, Bucket, Dozer)

Double action cylinder

Return Filter

Safety valve containing/Filter Type (30µ)

SIDE DIGGING & DOZER Type Boom Swing Angle Stroke of Dozer (above/below)

Boom swing by hydraulic cylinder Right

60°

Left

70°

mm (in)

505 / 325 (19.9/12.8)

495 / 375 (19.5 / 14.8)

WEIGHT Rubber shoe

Iron shoe

Rubber shoe

Iron shoe

4200 (9260)

4300 (9480)

4630 (10200)

4730 (10400)

1930 (4260)

2280 (5030)

1670 (3680)

1770 (3900)

1720 (3790)

1820 (4010)

Machine Weight

kg (lb)

Upper slewing body

kg (lb)

Travel system

kg (lb)

Attachment (Boom+STD Arm+STD Bucket)

kg (lb)

505 (1110)

535 (1180)

Oil & Water

kg (lb)

95 (209)

Note: This figure is calculated with standard bucket.

2-6


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