6-Pin Excavator & Construction Equipment Harness Connector – TE Connectivity 776433 Series

Heavy-duty 6-pin connector from the TE Connectivity 776433 series, designed for excavator, construction equipment, and agricultural machinery harness applications. Cross-references part numbers 776433-2, 776433-3, and 776433-4. Built for high-vibration, high-temperature, and outdoor exposure environments. Available bare or with pre-wired leads.

TE Connectivity 776433 Series Part Numbers

Key Specifications

Typical Circuit Applications on Excavators

• Hydraulic pressure sensor harness (boom, arm, bucket circuits)
• Engine control module (ECM) sensor interface
• Joystick and pilot pressure sensor harness
• Swing motor and travel motor sensor circuits
• Fuel level and temperature sensor harness

Compatible Applications

• Komatsu PC200 / PC300 / PC400 – Hydraulic and sensor harness
• Hitachi ZX200 / ZX300 / ZX450 – Control harness connector
• Caterpillar 320 / 330 / 336 – Sensor and actuator harness
• Volvo EC210 / EC300 – Hydraulic sensor harness
• Doosan DX225 / DX300 – Engine and hydraulic control harness

Frequently Asked Questions

Q: How do I identify which 776433 variant I need?
A: The suffix (-2, -3, -4) denotes housing variants with minor dimensional or locking tab differences. Cross-reference the part number on your existing connector or consult your equipment’s wiring diagram to confirm the correct variant.

Q: Are terminals included?
A: Yes, terminals are included with all variants.