Kubota B2301 Workshop Manual

TRANSMISSION
B2301, B2601, WSM
2-S5
2. SERVICING SPECIFICATIONS
HYDROSTATIC TRANSMISSION (HST)
INDEPENDENT PTO CLUTCH
Item Factory Specification Allowable Limit
Charge Relief Valve Setting Pressure 0.4 to 0.6 MPa
4 to 6 kgf/cm
2
60 to 80 psi
–
Check and High Pressure Relief Valve Setting Pressure
[Relief Valve]
23 to 25 MPa
240 to 250 kgf/cm
2
3400 to 3600 psi
–
Relief Valve Readjusting
Pressure
23 to 25 MPa
240 to 250 kgf/cm
2
3400 to 3600 psi
–
Piston to Cylinder Block Bore (HST) Clearance 0.02 to 0.03 mm
0.0008 to 0.001 in.
0.04 mm
0.0016 in.
Item Factory Specification Allowable Limit
Clutch Disc Thickness 1.70 to 1.90 mm
0.067 to 0.075 in.
1.55 mm
0.061 in.
Clutch Plate Thickness 1.15 to 1.25 mm
0.045 to 0.049 in.
1.10 mm
0.043 in.
Pressure Plate Thickness 1.95 to 2.05 mm
0.0768 to 0.0807 in.
1.8 mm
0.071 in.
Piston Return Spring Free Length
Load / Length
44.0 mm
1.73 in.
638.7 N / 26 mm
65.13 kgf / 26 mm
143.6 lbf / 1.02 in.
–
539.4 N / 26 mm
55 kgf / 26 mm
121.3 lbf / 1.02 in.
KiSC issued 11, 2014 A

Kubota B2301 Specifications

General

Engine Type	Diesel
Transmission Type	Hydrostatic
Type	Compact Utility Tractor
Drive	4WD
3-Point Hitch Category	Category I
Fuel Capacity	6.1 gallons
Hydraulic System Capacity	3.7 gallons