| Parameter | Specification |
|---|---|
| COGENG Part Number | TS-KOM-OEM |
| Replaces OEM Numbers | 08620-0000 198-06-11940 |
| Sensor Type | NTC Thermistor |
| Electrical Connection | OEM 2-pin Weatherproof Connector |
| Thread Size | M12 x 1.5mm |
| Temperature Range | -40°C to +130°C |
| Resistance Values | 5.79KΩ @ 20°C, 180Ω @ 100°C |
| Accuracy | ±2°C across operating range |
| Body Material | Brass with Zinc Plating |
| Seal Type | Integrated Copper Washer |
| Response Time | <8 seconds (63% of final value) |
| Quality Standard | ISO 9001 |
| Temperature (°C) | Temperature (°F) | Resistance (Ω) | Gauge Reading |
|---|---|---|---|
| 20 | 68 | 2000-3500 | Low-normal |
| 40 | 104 | 800-1300 | Normal |
| 60 | 140 | 400-700 | Normal |
| 80 | 176 | 200-400 | High-normal |
| 100 | 212 | 50-120 | Overheat (red zone) |
| Parameter | Specification |
|---|---|
| Thread Size | 3/8" BSPT |
| Hex Size | 19 mm (3/4") |
| Housing Material | Zinc-plated steel / Brass |
| Sensing Element | Precision NTC thermistor (sealed) |
| Seal Type | Copper washer (included) |
| Weight | 0.05 kg (0.11 lbs) |
| Parameter | Value |
|---|---|
| Installation Torque | 15-20 Nm (11-15 ft-lbs) |
| Caution | Do not overtighten; use new copper washer |
The 198-06-11940 coolant temperature sensor is compatible with a wide range of Komatsu engines-1:
| Engine Series | Specific Models |
|---|---|
| 3D84 Series | 3D84-1A, 3D84-1B, 3D84-1F |
| 3D94 Series | 3D94-2C, 3D94-2D |
| 4D94 Series | 4D94-2D |
| 4D95 Series | 4D95L-1Z, 4D95S-1H, 4D95S-1J, 4D95S-1J-T |
| 4D95S-W Series | 4D95S-W-1F-A, 4D95S-W-1F-AP, 4D95S-W-1F-P, 4D95S-W-1F-PL, 4D95S-W-1F-Q, 4D95S-W-1F-S, 4D95S-W-1F-T, 4D95S-W-1G-A, 4D95S-W-1G-AP, 4D95S-W-1G-AS, 4D95S-W-1G-BP, 4D95S-W-1G-E, 4D95S-W-1G-P, 4D95S-W-1G-PL, 4D95S-W-1G-Q, 4D95S-W-1G-S, 4D95S-W-1G-T |
| 4D105 Series | 4D105-5N, 4D105-5P |
| 6D95 Series | 6D95L-1AA, 6D95L-1AA-M, 6D95L-1AA-S, 6D95L-1AA-T, 6D95L-1AC-A, 6D95L-1AC-M, 6D95L-1AC-P, 6D95L-1AC-S, 6D95L-1AC-TC, 6D95L-1AC-TM, 6D95L-1AC-TR, 6D95L-1AC-TW, 6D95L-1AD, 6D95L-1VV |
| 6D105 Series | S6D105-1P, S6D105-1Q |
| 6D125 Series | S6D125-1AH, S6D125-1P, S6D125-1TT |
| S4D102 Series | S4D102E-1J, S4D102E-1J-2, S4D102E-1K, S4D102E-1K-2 |
| S4D105 Series | S4D105-5K, S4D105-5L |
| SA6D110 Series | SA6D110-1G |
| Model | Series | Application |
|---|---|---|
| PC10-1 | Dash 1 | Coolant temperature |
| PC20-3 | Dash 3 | Coolant temperature |
| PC20-5 | Dash 5 | Coolant temperature |
| PC20-6 | Dash 6 | Coolant temperature |
| PC30-1 | Dash 1 | Coolant temperature |
| PC30-3 | Dash 3 | Coolant temperature |
| PC30-5 | Dash 5 | Coolant temperature |
| PC30-6 | Dash 6 | Coolant temperatur |
| PC38UU-1 | Dash 1 | Coolant temperature |
| PC40-1 | Dash 1 | Coolant temperature |
| PC40-2 | Dash 2 | Coolant temperature |
| PC40-3 | Dash 3 | Coolant temperature |
| PC40-5 | Dash 5 | Coolant temperature |
| PC40-6 | Dash 6 | Coolant temperature |
| PC50UU-1 | Dash 1 | Coolant temperature |
| PC60-3 | Dash 3 | Coolant temperature |
| PC60U-3 | Dash 3 | Coolant temperature |
| PW20-1 | Dash 1 | Coolant temperature |
| PW30-1 | Dash 1 | Coolant temperature |
| PW30T-1 | Dash 1 | Coolant temperature |
| PW60-1 | Dash 1 | Coolant temperature |
| Model | Series | Application |
|---|---|---|
| D150A-1 | Dash 1 | Coolant temperature |
| D155A-1 | Dash 1 | Coolant temperature |
| D355A-3 | Dash 3 | Coolant temperature |
| D455A-1 | Dash 1 | Coolant temperature |
| D80A-18 | Dash 18 | Coolant temperature |
| D80E-18 | Dash 18 | Coolant temperature |
| D80P-18 | Dash 18 | Coolant temperature |
| D85A-18 | Dash 18 | Coolant temperature |
| D85E-18 | Dash 18 | Coolant temperature |
| D85P-18 | Dash 18 | Coolant temperature |
| Equipment Type | Compatible Models |
|---|---|
| Dump Trucks | HD180-4, HD200-2, HD205-3, HD255-5, HD320-3, HD325-3, HD325-5, HD325-6, HD325-6W, HD465-2, HD465-3, HD465-5, HD680-2, HD785-1, HD785-1L, HD785-1S, HD785-2, HD785-3 |
| Wheel Loaders | WA20-1, WA30-2, WA30-3, WA40-1, WA40-2 |
| Motor Graders | GD705A-4A, GD705A-4A-N |
| Cranes | LW160-1, LW200L-1, LW250L-1H, LW250L-1NH, LW250L-1NX, LW250L-1X |

| NO | Number | Name | Qty |
| 1 | 154-06-36725 | WIRE ASS'Y | 1 |
| 154-06-36724 | WIRE ASS'Y | 1 | |
| 154-06-36722 | WIRE ASS'Y | 1 | |
| 154-06-36721 | WIRE ASS'Y | 1 | |
| 2 | 08035-02510 | CLIP | 2 |
| 3 | 01010-31020 | BOLT | 1 |
| 01010-31016 | BOLT | 1 | |
| 4 | 01643-31032 | WASHER | 1 |
| 4 | 01602-01030 | WASHER,SPRING | 1 |
| 5 | 08035-02508 | CLIP | 1 |
| 6 | 08035-02510 | CLIP | 1 |
| 7 | 01010-31016 | BOLT | 1 |
| 8 | 01643-31032 | WASHER | 1 |
| 01602-01030 | WASHER,SPRING | 1 | |
| 9 | 08035-02510 | CLIP | 1 |
| 08036-01414 | CLIP | 1 | |
| 10 | 08036-10810 | CLIP | 1 |
| 154-06-33110 | CLAMP | 1 | |
| 11 | 175-06-39760 | WIRE | 1 |
| 12 | 154-06-36790 | WASHER | 2 |
| 13 | 140-06-18260 | CAP | 4 |
| 08038-00518 | CAP | 4 | |
| 14 | 08038-02027 | CAP | 2 |
| 15 | 154-06-36750 | WIRE ASS'Y | 1 |
| 16 | 08035-01510 | CLIP | 1 |
| 17 | 01010-31016 | BOLT | 1 |
| 18 | 01643-31032 | WASHER | 1 |
| 01602-01030 | WASHER,SPRING | 1 | |
| 19 | 08035-01512 | CLIP | 2 |
| 20 | 01010-31220 | BOLT | 2 |
| 21 | 01643-31232 | WASHER | 2 |
| 21 | 01602-01236 | WASHER,SPRING | 2 |
| 22 | 175-06-39170 | HORN | 1 |
| 23 | 01010-30820 | BOLT | 2 |
| 24 | 01602-00825 | WASHER | 2 |
| 25 | 01643-30823 | WASHER | 2 |
| 01641-00812 | WASHER | 2 | |
| 26 | 175-06-37391 | WIRE | 1 |
| 154-06-36770 | HEAD LAMP ASS'Y,L.H. | 1 | |
| 154-06-36780 | HEAD LAMP ASS'Y,R.H. | 1 | |
| 27 | 144-06-13131 | • BASE,L.H. | 1 |
| 28 | 144-06-13221 | • BASE,R.H. | 1 |
| 29 | 131-06-43230 | • SCREW | 4 |
| 30 | 144-06-13150 | • SPRING | 4 |
| 31 | 01580-00806 | • NUT | 4 |
| 32 | 01602-00825 | • WASHER,SPRING | 4 |
| 33 | 08128-00003 | • HOLDER | 1 |
| 34 | 08113-02480 | • BULB, 80W | 1 |
| 35 | 08128-00004 | • BAND | 2 |
| 36 | 01220-40420 | • SCREW | 2 |
| 37 | 01580-00403 | • NUT | 4 |
| 38 | 144-06-13120 | • GUARD | 2 |
| 39 | 01220-30408 | • SCREW | 1 |
| 40 | 01601-00410 | • WASHER | 1 |
| 41 | 175-06-23230 | • SOCKET | 1 |
| 42 | 08620-00000 | SENSOR | 2 |
| 198-06-11940 | SENSOR | 2 | |
| 43 | 08036-10814 | CLIP | 1 |
| 44 | 08036-10810 | CLIP | 1 |

Safety Precautions:
Allow engine to cool completely before installation
Slowly release cooling system pressure before opening
Drain small amount of coolant to prevent spillage
Disconnect battery to prevent electrical hazards
Installation Procedure:
Locate sensor in engine block or thermostat housing
Disconnect electrical connector
Carefully unscrew old sensor using appropriate wrench
Clean threads in mounting port
Install new COGENG sensor with integrated copper washer
Torque to 12-15 Nm (9-11 ft-lbs)
Reconnect electrical connector securely
Top up coolant and bleed air from system
Start engine and check for leaks
Verify proper temperature gauge operation
Contact COGENG
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