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Caterpillar 478-8977 Rotary Dial 6-Button Keypad Module for Heavy Equipment Operator Controls
- Regular price
- $767.00
- Sale price
- $767.00
- Regular price
-
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Product Description P/N: 478-8977
Description
The Caterpillar 478-8977 is a rotary dial keypad module designed as an operator communication interface for compatible Cat heavy equipment. It combines six backlit function buttons, LED indicators, and a rotary selector to provide access to designated machine applications and operating functions from the cab control station.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Caterpillar |
| Category | Operator Controls |
| Part Number | 478-8977 |
| Subcategory | Keypad Modules |
| Product Type | Rotary Dial Keypad Module |
| Alternate Part Numbers | 4788977, CA4788977 |
| Control Layout | 6 Buttons with Rotary Dial |
| Indicators | LED Indicators |
| Button Illumination | Backlit |
| Labeling | Pictorial |
| Voltage Range | 7.6–32 V |
| Electrical Connection | 4-Pin |
| Mounting Hardware | M6 Screws |
| Installation Location | Operator Control Station |
| Compliance | RoHS Compliant |
| Compatible Equipment Type | Excavators and Heavy Equipment |
| Compatible Models | 320, 320 GC, 323, 325, 326, 330, 330 GC, 336, 336 GC, 340, 345 GC, 349, 352 |
| Weight | Approximately 1.10 lb (0.50 kg) |
Information About 478-8977
The 478-8977 is a Caterpillar keypad module used within operator control stations on compatible excavators and other heavy equipment. Its compact housing incorporates six pictorially labeled membrane buttons, a central rotary dial, LED indicators, and backlighting for function identification. The module operates across a 7.6–32 V input range and connects to the machine electrical system through a 4-pin interface. It is associated with multiple Caterpillar equipment applications, including 320, 323, 326, 330, 336, 340, 349, and 352 series excavators.
Key Features:
- Six-Button Keypad: Provides six dedicated membrane-style buttons for selecting assigned machine functions.
- Rotary Dial Control: Integrated rotary selector supports menu navigation and adjustment of designated operating settings.
- Backlit Interface: Backlit buttons improve identification of controls in varying cab lighting conditions.
- LED Indicators: Integrated LEDs provide visual status and function feedback to the equipment operator.
- Wide Voltage Range: Operates from 7.6 to 32 V for compatibility with applicable heavy-equipment electrical systems.
- 4-Pin Connection: Uses a four-pin electrical interface for connection to the machine control system.
- M6 Mounting: Designed for installation in the operator control station using M6 mounting screws.
- RoHS Compliance: Manufactured to meet applicable RoHS requirements for restricted materials.
The 478-8977 delivers the reliability and precision required for operator input, function selection, and control navigation in compatible Caterpillar equipment.
Description
The Caterpillar 478-8977 is a rotary dial keypad module designed as an operator communication interface for compatible Cat heavy equipment. It combines six backlit function buttons, LED indicators, and a rotary selector to provide access to designated machine applications and operating functions from the cab control station.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Caterpillar |
| Category | Operator Controls |
| Part Number | 478-8977 |
| Subcategory | Keypad Modules |
| Product Type | Rotary Dial Keypad Module |
| Alternate Part Numbers | 4788977, CA4788977 |
| Control Layout | 6 Buttons with Rotary Dial |
| Indicators | LED Indicators |
| Button Illumination | Backlit |
| Labeling | Pictorial |
| Voltage Range | 7.6–32 V |
| Electrical Connection | 4-Pin |
| Mounting Hardware | M6 Screws |
| Installation Location | Operator Control Station |
| Compliance | RoHS Compliant |
| Compatible Equipment Type | Excavators and Heavy Equipment |
| Compatible Models | 320, 320 GC, 323, 325, 326, 330, 330 GC, 336, 336 GC, 340, 345 GC, 349, 352 |
| Weight | Approximately 1.10 lb (0.50 kg) |
Information About 478-8977
The 478-8977 is a Caterpillar keypad module used within operator control stations on compatible excavators and other heavy equipment. Its compact housing incorporates six pictorially labeled membrane buttons, a central rotary dial, LED indicators, and backlighting for function identification. The module operates across a 7.6–32 V input range and connects to the machine electrical system through a 4-pin interface. It is associated with multiple Caterpillar equipment applications, including 320, 323, 326, 330, 336, 340, 349, and 352 series excavators.
Key Features:
- Six-Button Keypad: Provides six dedicated membrane-style buttons for selecting assigned machine functions.
- Rotary Dial Control: Integrated rotary selector supports menu navigation and adjustment of designated operating settings.
- Backlit Interface: Backlit buttons improve identification of controls in varying cab lighting conditions.
- LED Indicators: Integrated LEDs provide visual status and function feedback to the equipment operator.
- Wide Voltage Range: Operates from 7.6 to 32 V for compatibility with applicable heavy-equipment electrical systems.
- 4-Pin Connection: Uses a four-pin electrical interface for connection to the machine control system.
- M6 Mounting: Designed for installation in the operator control station using M6 mounting screws.
- RoHS Compliance: Manufactured to meet applicable RoHS requirements for restricted materials.
The 478-8977 delivers the reliability and precision required for operator input, function selection, and control navigation in compatible Caterpillar equipment.