Kubota ZD18 User Manual

5-M14
ZD18(F) · ZD21(F) · ZD28(F), WSM
ELECTRICAL SYSTEM
[2] COOLANT TEMPERATURE
 Coolant Temperature Sensor
The coolant temperature sensor is installed to the
cylinder head of engine, and its tip is in touch with the
coolant. It contains a thermistor (4) whose electrical
resistance decreases as the temperature increases.
Current varies with changes in the coolant
temperature, and the increases or decreases in the
current move the pointer of gauge.
W1014123
Characteristics of Thermistor
Temperature Resistance
50 °C (122 °F) 153.9 Ω
80 °C (176 °F) 51.9 Ω
100 °C (212 °F) 27.4 Ω
120 °C (248 °F) 16.1 Ω
(1) Terminal
(2) Insulator
(3) Body
(4) Thermistor
KiSC issued 04, 2009 A

Kubota ZD18 Specifications

General

Horsepower	18 hp
Transmission	Hydrostatic
Cutting Width	48 inches
Drive	2WD
Engine Type	Diesel
Cutting Height Range	4 inches