Wirtgen Leveling System Control Unit (Part #2046804) – Precision Grade & Slope Control for Milling Machines
With over a decade of experience in road machinery repair and parts supply, we deliver OEM-quality aftermarket parts for Wirtgen milling machines. Part #2046804 is the brain of your machine’s automatic grade and slope system, ensuring accurate milling depth and cross-slope – directly impacting pavement smoothness and project profitability.
Critical Functions
- CAN bus communication with machine ECU
- Automatic grade control for consistent milling depth
- Cross-slope regulation (left/right)
- Sensor data processing (ultrasonic, mechanical, or multi-sensor)
If you are not sure about the part number, please refer to “How to choose the right wirtgen parts“.
Project Monitoring
Shipping Order Track
Instructions for Use
VIP Customer Service
Intact Guarantee
Compatibility & Ordering Process
Step 1: Provide Your Machine Details
To program the 2046804 correctly, we need:
- Machine model (e.g., Wirtgen W2100, W2000, W1900, W1500, W120, W100)
- Serial number (found on machine nameplate)
- Original part number (if available – on the existing control unit label)
Step 2: We Program & Test
Based on your machine data, we:
- Select the correct Wirtgen software version
- Flash the program into the control unit
- Run full functional test (simulated CAN bus, sensor inputs, valve outputs)
Step 3: Ship with Full Documentation
You receive:
8-month warranty certificate
Control unit ready to install (plug-and-play)
Machinery Test Report
Video outgoing-inspection link
Wirtgen Leveling System Control Unit 2046804 Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Wirtgen Leveling System Control Unit |
| Part Number | 2046804 |
| Compatible Brand | Wirtgen |
| Compatible Equipment | Wirtgen milling machines (cold planers) |
| System Type | Automatic grade & slope control (MOBA-based or Wirtgen proprietary) |
| Input Voltage | 24V DC (12–32V range) |
| Sensor Inputs | 4 channels (ultrasonic / mechanical / multi-sensor compatible) |
| Outputs | 2 proportional valve drivers (left/right) |
| Communication | CAN bus 2.0B (ISO 11898) |
| Protection Class | IP65 (dust-tight, low-pressure water jets) |
| Operating Temp | -20°C to +70°C |
| Housing Material | Die-cast aluminum |
| Connectors | DEUTSCH (OEM compatible) |
| OEM Price | $3,300 USD |
| Our Aftermarket Price | $1,700 USD (including pre-programming) |
| Warranty | 8 months |

Why Choose Our Aftermarket Leveling Control Unit?
Massive Savings – $1,700 vs. $3,300 OEM
Get identical performance and factory-level functionality at nearly 50% less than OEM pricing. Your cost savings can cover additional wear parts.
Pre-Programmed to Your Machine – No Downtime
We don’t sell generic units. Before shipping, we write the correct factory program into the control unit based on your machine model and serial number. Plug-and-play installation – no dealer programming required.
Full Quality Traceability
Every unit includes:
- Machinery Test Report – verifying CAN bus communication, sensor input accuracy, and output signals
- Video Outgoing-Inspection – showing the unit powering on, displaying correct software version, and responding to simulated sensor inputs
8-Month Warranty
Backed by an 8-month warranty against manufacturing defects – giving you confidence in critical electronics.
10+ Years of Wirtgen Specialization
We understand Wirtgen leveling systems, software versions, and machine-specific calibrations. Our technical team ensures you receive a unit that works perfectly with your existing sensors and actuators.
Other Wirtgen modules:WIRTGEN Module (Part# 118243)




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