21Q9-33183 21Q9-33184 25H29-1015 MCU Controller Computer Board for HX340SL HX340HD HX340 Excavator

The 21Q9-33183 MCU Controller is an electronic machine control module offered for compatible HX340SL, HX340HD, and HX340 excavator applications.

Also known as an Excavator Machine Control Unit, MCU Computer Board, Electronic Controller, or Control Module, this component is designed to process electrical signals and support designated machine control functions within compatible excavator electronic systems.

The controller communicates with relevant machine sensors, switches, actuators, and other electrical components according to the equipment's control system configuration.

Featuring a silver-colored metal housing, integrated electronic circuitry, multiple mounting points, and electrical connector interfaces, the MCU controller is suitable for excavator electrical system maintenance, troubleshooting, and electronic control module replacement.

JISION supplies excavator controllers, electronic modules, and construction machinery electrical spare parts to equipment owners, repair workshops, and international spare parts distributors.

Product Specifications

Key Features

1. Electronic Machine Control

Designed to support designated excavator control functions through compatible electronic control circuits.

2. Signal Processing and Communication

Processes input signals from connected machine sensors and switches and supports the corresponding equipment control operations according to the installed software configuration.

3. Durable Metal Housing

Features a solid metallic enclosure designed to protect the internal electronic control circuitry from normal external mechanical contact.

4. Multi-Pin Connector Interfaces

Equipped with electrical connector interfaces designed for connection to the corresponding excavator wiring harness.

5. Integrated Mounting Structure

Features multiple mounting holes and reinforced housing sections for installation in compatible excavator control module positions.

6. Compact Controller Assembly

The compact module construction allows installation within the designated electrical control compartment of compatible machinery.

7. Replacement Control Module

Offered as a replacement option for compatible electronic control applications referencing 21Q9-33183, 21Q9-33184, or 25H29-1015, subject to part number and configuration verification.

8. Suitable for Excavator Maintenance

A practical replacement component for excavator electrical troubleshooting, machine control system repairs, and electronic module replacement.

Compatible Excavator Models

Reference Equipment Models:

• HX340SL Excavator

• HX340HD Excavator

• HX340 Excavator

Reference Part Numbers:

• 21Q9-33183

• 21Q9-33184

• 25H29-1015

Important Compatibility Notice

Compatibility may vary depending on excavator serial number, electronic control system configuration, controller hardware version, software program, and electrical connector arrangement.

Please verify the original controller part number, model identification label, and machine specifications before purchasing.

The listed equipment models and reference numbers do not guarantee interchangeability between different controller versions.

Programming Notice

Some excavator MCU controllers may require machine-specific software programming, parameter configuration, or calibration before installation.

Please confirm whether the supplied controller is programmed and compatible with your machine before placing an order.

Product Applications

The MCU controller is offered for compatible applications involving:

• Excavator Electronic Control System Maintenance

• Machine Control Unit Replacement

• Excavator Computer Board Replacement

• Construction Machinery Electrical Repairs

• Electronic Controller Troubleshooting

• Excavator Control Module Servicing

• Heavy Equipment Electrical System Maintenance

Why Choose JISION?

Professional Excavator Electronic Parts Supplier

JISION supplies replacement electronic controllers and electrical components for excavators and heavy construction machinery.

Wide Product Selection

Our product range includes MCU controllers, ECU modules, ECM controllers, computer boards, monitor displays, sensors, switches, wiring harnesses, hydraulic components, and diesel engine spare parts.

International Parts Supply

We support excavator owners, construction companies, repair workshops, and machinery spare parts distributors with international product sourcing inquiries.

Part Number Identification Assistance

Customers can provide original controller numbers, excavator models, machine serial numbers, and identification label photos to help identify suitable replacement control modules.

Wholesale Inquiries Welcome

Contact JISION for bulk purchasing quotations, product availability, and international shipping arrangements.

Ordering Information

Product Name: Excavator MCU Controller

Reference Part Numbers: 21Q9-33183 / 21Q9-33184 / 25H29-1015

Reference Excavator Models: HX340SL / HX340HD / HX340

Application: Excavator Electronic Control System

To help ensure accurate product identification, please provide:

• Excavator Model

• Machine Serial Number

• Original Controller Part Number

• Controller Identification Label

• Hardware and Software Version

• Photos of the Existing Controller

• Electrical Connector Configuration

• Programming Requirements

Contact JISION for product specifications, controller programming information, pricing, stock availability, wholesale inquiries, and international shipping details.

JISION – Reliable Electronic Controllers and Replacement Parts for Excavators and Heavy Construction Machinery.