KOMATSU 7861-93-1930 Sensor

Product Overview

The KOMATSU 7861-93-1930 Sensor is a Genuine Komatsu OEM electrical sensor designed to monitor critical machine operating parameters and transmit real-time data to the machine’s Electronic Control Unit (ECU) or monitoring system. Komatsu officially lists this component simply as a Sensor within its Electrical Parts category. Depending on the machine configuration, it is used in hydraulic, transmission, or power train monitoring circuits to support machine control, diagnostics, and protection functions.

Manufactured to Komatsu’s stringent OEM standards, the 7861-93-1930 Sensor is engineered for reliable operation under continuous vibration, high temperatures, harsh environmental conditions, and heavy-duty mining and construction applications. Designed as a direct OEM replacement, it restores accurate system monitoring and dependable machine performance.

Key Features

• Genuine Komatsu OEM Sensor
• Part Number: 7861-93-1930
• Electrical monitoring sensor
• Transmits operating data to the ECU or machine monitor
• Supports machine diagnostics and protection systems
• Manufactured to Komatsu OEM specifications
• Direct OEM replacement
• Designed for severe-duty mining and construction equipment
• Reliable performance under harsh operating conditions

Technical Specifications

Note: Komatsu has not publicly released detailed OEM specifications such as sensor type, measuring range, operating voltage, output signal, connector configuration, thread size, or calibration values for the 7861-93-1930 Sensor. The approximate weight is based on distributor information.

Application Information

The KOMATSU 7861-93-1930 Sensor is installed within various machine systems where it continuously monitors operating conditions and transmits electrical signals to the ECU or machine monitoring system. Depending on the application, the sensor supports machine control, operator information displays, fault diagnostics, and protective functions that help optimize performance and prevent component damage.

The sensor is designed to withstand:

• Continuous vibration
• Heavy shock loading
• Wide operating temperature variations
• Dust and moisture exposure
• Demanding mining and construction environments
• Long operating hours under severe service conditions

Proper sensor operation is essential for maintaining reliable machine performance and accurate onboard diagnostics.

Compatible Komatsu Equipment

The KOMATSU 7861-93-1930 Sensor is used on numerous Komatsu machines, including:

Crawler Dozers

• D375A-8
• D375AI-8

Rigid Dump Trucks

• HD1500-8
• HD325-6
• HD325-6W
• HD325-7
• HD325-7R
• HD325-8
• HD405-6
• HD405-7
• HD405-7R
• HD405-8
• HD465-7
• HD465-8
• HD605-7
• HD605-8
• HD785-7

Articulated Dump Trucks

• HM250-2
• HM300-1
• HM300-1L
• HM300-2
• HM300-2R
• HM300-3
• HM300-5
• HM350-1
• HM350-1L
• HM350-2
• HM350-2R
• HM400-1
• HM400-1L
• HM400-2
• HM400-2R
• HM400-3
• HM400-3M0
• HM400-3R
• HM400-5

Wheel Loaders

• WA600-8
• WA800-3E0
• WA900-3E0
• WA900-8

Compatibility varies depending on the machine model, serial number, engine, and system configuration. Always verify compatibility using the machine’s Product Identification Number (PIN), Machine Serial Number, and existing part number before ordering.

Additional Compatibility Information

The 7861-93-1930 Sensor is a configuration-specific electrical component. Before installation, verify:

• Machine model
• Machine Serial Number
• Product Identification Number (PIN)
• Electrical and control system configuration
• Sensor connector type
• Existing sensor part number

Because this sensor is used across multiple machine systems, its installation location and function may vary by model. Verification through the official Komatsu Parts Catalog or an authorized Komatsu dealer is recommended before installation.

Benefits

Installing a genuine KOMATSU 7861-93-1930 Sensor helps:

• Restore accurate machine monitoring
• Support ECU-controlled machine functions
• Improve diagnostic accuracy
• Help protect critical machine systems from abnormal operating conditions
• Reduce unplanned machine downtime
• Maintain reliable machine performance
• Preserve original OEM monitoring system functionality
• Deliver OEM-quality fit, durability, and dependable performance in demanding mining, quarrying, and construction applications.