Kubota WSM B2050 User Manual

HYDRAULIC SYSTEM
B2050, B2350, B2650, B3150, WSM
8-S3
2. SERVICING SPECIFICATIONS
Item Factory Specification Allowable Limit
Hydraulic Pump (For 3-Point Hitch)
Condition
[Manual Transmission Model]
• Engine rated speed : 2500 min
-1
(rpm)
• Rated pressure
15.5 to 16.5 MPa
158 to 168 kgf/cm
2
2248 to 2390 psi
• Oil temperature : 50 °C (122 °F)
[HST Model]
• Engine rated speed : 2500 min
-1
(rpm)
• Rated pressure
16.5 to 16.9 MPa
169 to 172 kgf/cm
2
2400 to 2450 psi
• Oil temperature : 50 °C (122 °F)
Delivery
(At No Pressure)
Delivery
(At Rated
Pressure)
Above
18.7 L/min.
4.94 U.S. gals/min.
4.11 Imp. gals/min.
Above
18.3 L/min.
4.83 U.S. gals/min.
4.03 Imp. gals/min.
–
Above
15.3 L/min.
4.04 U.S. gals/min.
3.37 Imp. gals/min.
Hydraulic Pump (For Power Steering,
Bi-speed Turn, PTO Clutch and HST)
Condition
• Engine rated speed : 2500 min
-1
(rpm)
• Rated pressure
11.5 to 12.5 MPa
118 to 127 kgf/cm
2
1670 to 1810 psi
• Oil temperature : 50 °C (122 °F)
Delivery
(At No Pressure)
Delivery
(At Rated
Pressure)
Above
14.1 L/min.
3.72 U.S. gals/min.
3.10 Imp gals/min.
Above
13.8 L/min.
3.65 U.S. gals/min.
3.04 Imp. gals/min.
–
Above
11.5 L/min.
3.04 U.S. gals/min.
2.53 Imp. gals/min.
Relief Valve (Manual Transmission Model)
Condition
• Engine rated speed : 2500 min
-1
(rpm)
• Oil temperature : 50 °C (122 °F)
Setting Pressure 15.5 to 16.5 MPa
158 to 168 kgf/cm
2
2248 to 2393 psi
–
Relief Valve (HST Model)
Condition
• Engine rated speed : 2500 min
-1
(rpm)
• Oil temperature : 50 °C (122 °F)
Setting Pressure 16.5 to 16.9 MPa
169 to 172 kgf/cm
2
2400 to 2450 psi
–
Lift Arm Free Play 5 to 15 mm
0.20 to 0.59 in.
–
Tip of Gear Tooth to Casing Clearance – 0.15 mm
0.0059 in.
Bushing to Shaft
•Shaft
• Bushing
Clearance
O.D.
I.D.
0.020 to 0.091 mm
0.0008 to 0.0036 in.
14.970 to 14.980 mm
0.5894 to 0.5898 in.
15.000 to 15.061 mm
0.5906 to 0.5930 in.
0.12 mm
0.0047 in.
–
–
Side Plate Thickness 2.48 to 2.50 mm
0.0976 to 0.0984 in.
2.40 mm
0.0945 in.
Hydraulic Cylinder I.D. 75.05 to 75.10 mm
2.955 to 2.956 in.
75.15 mm
2.959 in.
KiSC issued 03, 2014 A

Kubota WSM B2050 Specifications

General

Brand	Kubota
Model	WSM B2050
Category	Tractor
Language	English