This guide helps you identify which FarmTRX Yield Monitor ECU model you have based on their appearance, labeling, connectors, and features.
Yield Monitor 1.0
Sticker: Dark blue with an orange band at the bottom
Text: “KNOW MORE – GROW MORE” tagline on label
LED Light: None
Connector: DB15 (15-pin) wide, flat, rectangular metal shell (see reference material at end of article)
Shape: Rectangular, slim
Header Height Sensor Compatibility: Not compatible with the Header Height Sensor, contact support@farmtrx.com to explore upgrade options
Notes: First-generation ECU, no visual status indicators
Yield Monitor 2.0/Base
Sticker: Dark blue
Text: “YIELD MONITOR 2.0” or "YIELD MONITOR" printed on the label
LED Light: One LED for basic status indication
Connector: DB15 (15-pin) wide, flat, rectangular metal shell (see reference material at end of article)
Shape: Rectangular, same form factor as 1.0
Header Height Sensor Compatibility: Compatible with the Retrofit Header Height Sensor
Notes: Improved diagnostics via LED; visually similar to 1.0 except label and LED
Yield Monitor 3.0/Plus+
Sticker: Orange
Text: “YIELD MONITOR Plus” or "YIELD MONITOR 3.0" printed on the label
LED Light: One LED
Connector: DB15 (15-pin) wide, flat, rectangular metal shell (see chart below)
Shape: Rectangular, same form factor as 1.0 and 2.0
Header Height Sensor Compatibility: Compatible with the Retrofit Header Height Sensor
Notes: Slightly newer design aesthetics
Yield Monitor Pro
Sticker: Orange
Text: “Yield Monitor Pro” printed on the label
LED Lights: Four system LEDs for advanced diagnostics
Connector: (see chart below)
- DTM12 Connector - 12-pin round connector round, rugged plastic with bayonet/snap-style lock
- TNC Connector - a small, round, metal RF connector with a threaded coupling ring
Shell: Bulkier, ruggedized housing
Header Height Sensor Compatibility: Compatible with the Header Height Sensor for Pro
Notes: Latest model with upgraded enclosure, improved weather resistance, and multi-LED diagnostics
Quick Reference Table
| Model | Sticker Color | Label Text | LED(s) | Connector | Shape | Header Height Sensor Compatibility |
| Yield Monitor 1.0 | Dark Blue + Orange Band | "Know More – Grow More" | None | DB15 | Rectangular | Upgrade Required |
| Yield Monitor 2.0 | Dark Blue | "Yield Monitor 2.0" | 1 | DB15 | Rectangular | Retrofit HHS |
| Yield Monitor Plus+ | Orange | "Yield Monitor Plus" | 1 | DB15 | Rectangular | Retrofit HHS |
| Yield Monitor Pro | Orange | "Yield Monitor Pro" | 4 |
DTM12 TNC |
Rugged/Bulkier | HHS for Pro |
DB15 Connector
DTM12 Connector (DEUTSCH 12 PIN)