Wacker Neuson 5100033945 Rear Harness

The Wacker Neuson Rear Harness is a genuine OEM Rear Harness designed for BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader series machines. As a factory-original component, the is manufactured to the exact specifications required by Wacker Neuson for these loader models, ensuring a direct, correct-fit installation with no guesswork. Sourcing the genuine OEM part means every connector, terminal, and conductor matches what came off the machine originally. Confirm your model number before ordering to ensure this harness aligns with your specific Backhoe Loader configuration.

Key Features

• OEM Electrical Integrity — Manufactured to Wacker Neuson's original circuit specifications, ensuring correct conductor gauge, connector keying, and terminal plating for the rear electrical system.
• Direct Plug-In Replacement — Connectors and routing lengths are matched to the original harness layout, allowing straightforward installation against existing mounting points and plug locations.
• Broad Backhoe Loader Compatibility — Fits BL744ch, BL744h, BL742h, BL744c, BL744 EX, and BL742 EX Backhoe Loader series, covering a wide range of Wacker Neuson loader configurations under a single part number.
• Protects Rear Electrical Systems — A correctly functioning rear harness keeps rear lighting, sensors, and controls operating as intended; a damaged or degraded harness can cause intermittent faults, failed rear functions, or diagnostic errors.
• Electrical Safety Compliance — Using the genuine OEM harness maintains the correct insulation ratings and circuit protection for the rear electrical zone, reducing the risk of short circuits or unsafe electrical conditions on the machine.
• Verified Part Number — Part number 5100033945 is the factory-designated Rear Harness for these Backhoe Loader models, giving you confidence you are ordering the correct replacement every time.

The Rear Harness routes and protects the electrical wiring that powers the rear functions of the Backhoe Loader, including rear lighting, sensors, and any electrically operated rear attachments or controls. It acts as the backbone of the machine's rear electrical circuit, bundling individual conductors into a protected, organized loom that connects rear components back to the main electrical system. When a rear harness becomes damaged, corroded, or develops broken conductors, the result is typically intermittent or complete loss of rear electrical functions, fault codes, or unreliable machine behavior — making prompt replacement essential for safe and productive operation.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.