Wacker Neuson 5100012675 Wire Harness

The Wacker Neuson Wire Harness is a genuine OEM Wire Harness designed for the RD40-130 and RD45-140 series tandem rollers, including standard, C, O, DPF, and US variants. As a factory-sourced component, this harness is built to the exact specifications of the original, ensuring correct connector pinouts, conductor gauges, and routing paths throughout the machine's electrical system. Broad fitment coverage spans multiple production series — from early RD40-130 and RD45-140 builds through DPF-equipped models — making the Wacker Neuson the definitive replacement choice for operators keeping these rollers running. When your harness shows signs of wear or damage, replacing it with the genuine OEM part protects every downstream electrical component it serves.

Key Features

• Correct Conductor Spec and Connector Integrity — Manufactured to OEM-specified wire gauges and terminal configurations, delivering accurate current capacity and signal integrity across every circuit in the harness.
• Drop-In Replacement Routing — Matches the original harness layout exactly, including factory loom length and connector positions, so installation follows the same path as the part being replaced.
• Wide RD-Series Coverage — Fits RD40-130 and RD45-140 tandem rollers across standard, C, O, US, .3, and DPF variants, covering a large span of the RD-series production run.
• Electrical System Protection — A sound wire harness keeps sensors, controls, and safety circuits operating correctly; a degraded harness can cause intermittent faults, failed starts, or unresponsive machine controls.
• Genuine OEM Sourcing — Supplied directly through the Wacker Neuson OEM parts network, so the part number, fit, and material grade match what left the factory originally.
• Electrical Safety Assurance — Proper insulation ratings and secure terminal connections help prevent shorts, ground faults, and unintended energization of machine circuits — a genuine concern with worn or non-spec wiring.

A wire harness is the central nervous system of a machine's electrical layout, bundling and routing every power and signal circuit that keeps the engine, controls, and safety systems communicating. On a tandem roller like the RD40-130 or RD45-140, the harness carries signals between the engine management system, operator controls, drum drives, and any onboard diagnostics — meaning a fault in the harness can cascade into multiple apparent failures across the machine. When the harness insulation cracks, terminals corrode, or conductors break, the result is typically intermittent or complete loss of function in one or more systems, and tracing those faults back to the harness can cost far more time than a straightforward replacement.

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.