For urgent product inquiries, large-volume orders, or expert consultation on your engine part needs, reach out to us directly. We are a trusted global exporter, offering factory-direct pricing.
As a leading source factory, we support customization and direct sales of engine cylinder liner kits for global export.
Reliable engine speed monitoring is critical for optimal excavator performance. Our high-precision Speed Sensor TOSD-04-026 is engineered to be a perfect, cost-effective replacement for Komatsu construction machinery. It ensures accurate feedback to the Electronic Control Unit (ECU), directly helping to solve erratic idling and abnormal fuel/oil consumption issues.
| Attribute | Detail |
|---|---|
| Brand Compatibility | Komatsu |
| Model NO. | TOSD-04-026 |
| Original Part Numbers | 7861-93-2330 / 7861-93-2310 |
| Alternative Part Numbers | 7861932330 / 7861932310 |
| Product Name | Komatsu Speed Sensor |
Durability: Designed with robust materials for use in heavy-duty construction machinery.
Precision: Provides highly accurate rotational speed data to the engine ECU.
Compatibility: Direct fit for Komatsu Excavators and other equipment.
Reliability: Tested to ensure stable performance under extreme temperature and vibration.
Cost-Effective: A premium, high-quality Chinese alternative to OEM parts.
Honour Time Machinery Limited specializes in diesel engine assembly and spare parts for major engineering machinery brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our extensive inventory covers everything from full engine overhauls to critical sensor replacements.
We stock a full range of components to keep your heavy machinery running efficiently. Our key product lines include:
| Engine Components (Group 1) | Engine Components (Group 2) | Engine Components (Group 3) |
|---|---|---|
| Liner Kit | Gasket Kit | Valve Guide |
| Piston | Gasket Head | Nozzle |
| Piston Ring | Crankshaft | Bearing |
| Engine Bearing | Cylinder Block | Valve Seat |
| Pressure Switch | Flameout Solenoid | Monitor |
| Radiator | Main Valve | Belt |
| Accelerator Motor | Transmitter | Fan Cooling |
We provide parts for the following major engine platforms, ensuring wide coverage for your machinery fleet:
| Brand | Models (Partial List) | Brand | Models (Partial List) |
|---|---|---|---|
| Komatsu | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 | KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 | Mitsubishi | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 | Yanmar | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| HINO | J05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D | CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
| Field | Detail | Field | Detail |
|---|---|---|---|
| Model NO. | TOSD-04-026 | Application | Excavator / Construction Machinery |
| Certification | ISO 9001 | Condition | New, High-Quality Replacement |
| Product Name | Komatsu Speed Sensor | Specification | 2-Pin Connector, Induction Type, OEM Standard Quality |
| Transport Package | Carton | Trademark | HNTM (Honour Time Machinery) |
| Origin | China (Source Factory) | Production Capacity | 5000PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram | ||
| Delivery Methods | Express: DHL, Fedex, EMS, UPS or by Air/Sea freight | ||
Understanding your parts is the first step to maintaining your fleet. Here are 10 essential engine and machinery parts:
Piston Pin Bushing (Connecting Rod) – Transfers load from the piston to the connecting rod. Example: Komatsu PC400-8 SAA6D125E-5 Piston Pin Bushing
Oil Cooler Core (Engine Block) – Removes excess heat from the engine oil. Example: Caterpillar 320D C6.4 Oil Cooler Core
Relief Valve (Main Pump) – Limits the maximum pressure in the hydraulic system. Example: Isuzu ZX200-3 4HK1 Relief Valve
Swing Bearing (Chassis) – Allows the upper structure (cab/boom) to rotate relative to the undercarriage. Example: Kubota KX080-3 Swing Bearing
Pilot Pump (Hydraulic System) – Provides low-pressure control oil to operate main valve spools. Example: Yanmar B7-6A 4TNV98 Pilot Pump
Governor Actuator (Engine/Fuel System) – Electronically controls engine speed and output. Example: Weichai WD615 Governor Actuator
Thermostat Housing (Cooling System) – Holds the thermostat and directs coolant flow. Example: Cummins QSB4.5 Thermostat Housing
Track Adjuster Seal Kit (Undercarriage) – Maintains hydraulic pressure for setting track tension. Example: Komatsu D65EX-16 Track Adjuster Seal Kit
Fuel Transfer Pump (Fuel System) – Moves fuel from the tank to the injection pump. Example: Caterpillar 120H 3116 Fuel Transfer Pump
Charge Air Cooler (Intercooler) (Intake System) – Cools compressed air from the turbo before it enters the engine. Example: Isuzu FRR 6BG1 Charge Air Cooler
A common failure in the Komatsu PC200-8 with the 6D107 engine is premature turbocharger failure. This is often caused by oil starvation or contamination, which severely damages the turbo's high-speed bearings.
Solution & Maintenance: Always use the correct grade of engine oil and ensure the oil filter and oil pump are regularly inspected and replaced according to the manufacturer's schedule. Never abruptly shut down a hot engine; allow it to idle for a few minutes to let the turbo cool down and ensure bearing lubrication, significantly extending the life of your Komatsu turbocharger.
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