Kubota WSM B2050 User Manual

ELECTRICAL SYSTEM
B2050, B2350, B2650, B3150, WSM
9-S7
2. SERVICING SPECIFICATIONS
STARTER
ALTERNATOR
9Y1210982ELS0001US0
Item Factory Specification Allowable Limit
Battery Voltage
Potential
Difference
More than 12 V
Less than 0.1 V
–
–
Glow Plug Resistance Approx. 0.9  –
Coolant Temperature Sensor
(ROPS Model)
Resistance
at 130 °C (266 °F)
at 105 °C (221 °F)
at 80 °C (176 °F)
at 50 °C (122 °F)
Approx. 12.2 
Approx. 23.6 
Approx. 51.9 
Approx. 153.9 
–
–
–
–
Coolant Temperature Sensor
(CABIN Model)
Resistance
at 20 °C (4 °F)
at 20 °C (68 °F)
at 80 °C (176 °F)
Approx. 15.0 k
Approx. 2.45 k
Approx. 0.318 k
–
–
–
Fuel Sensor Resistance
Float at
upper-most
position
Float at lower-most
position
2 to 4 
109 to 111 
–
–
Item Factory Specification Allowable Limit
Commutator O.D.
Difference of
O.D.'s
28.0 mm
1.102 in.
Less than
0.02 mm
0.0008 in.
27.0 mm
1.063 in.
0.05 mm
0.0020 in.
Mica Undercut 0.60 mm
0.0236 in.
0.20 mm
0.0079 in.
Brush Holder to Holder Support Resistance Infinity –
Item Factory Specification Allowable Limit
Non Load Output Voltage More than 14 V –
Stator Resistance Less than 1.0  –
Rotor Resistance 2.9  –
Slip Ring O.D. 14.4 mm
0.567 in.
12.8 mm
0.504 in.
Brush Length 10.5 mm
0.413 in.
8.4 mm
0.331 in.
KiSC issued 03, 2014 A

Kubota WSM B2050 Specifications

General

Brand	Kubota
Model	WSM B2050
Category	Tractor
Language	English