Wacker Neuson 5100012771 Wire Harness for RD24-100, RD27-120 & RD28-120 Tandem Rollers

The Wacker Neuson is a genuine OEM Wire Harness designed for the RD24-100, RD27-120, and RD28-120 Tandem Roller series, including standard, C (Canopy), O (Open ROPS), DPF, and US-market variants. As a direct factory replacement, this wire harness is sourced from Wacker Neuson and built to the same electrical specifications as the original component installed at the time of manufacture. Broad fitment coverage spans multiple generations and regional configurations of these tandem rollers, making it the correct choice when replacing a damaged or failed harness on any qualifying machine in this lineup. Confirm your machine's model and serial number against the fitment list before ordering to ensure an exact match.

Key Features

• Factory-Correct Wiring Specifications — Genuine OEM construction ensures correct conductor gauge, connector pinout, and insulation rating for the RD-series electrical system — no guesswork on signal integrity or circuit compatibility.
• Direct Plug-In Replacement — Connectors and routing points match the original harness layout, allowing the harness to seat into factory mounting positions and mate to existing connectors without modification.
• Wide Tandem Roller Coverage — Fits a broad range of RD24-100, RD27-120, and RD28-120 configurations, including C, O, DPF, and US variants across multiple production generations.
• Protects Electrical System Continuity — A properly functioning wire harness keeps all control signals, sensor feeds, and power circuits operating correctly; a damaged or degraded harness can cause erratic machine behavior, fault codes, or complete electrical failure.
• Electrical Safety Compliance — Genuine OEM construction meets the original design tolerances for current load and insulation, reducing the risk of shorts, heat buildup, or unintended circuit faults in the roller's operating environment.

The wire harness is the central nervous system of the tandem roller's electrical architecture, routing power and control signals between the engine, instrumentation, compaction controls, and safety systems. Every sensor reading, operator input, and machine response depends on the harness delivering clean, uninterrupted electrical connections throughout the machine. When a harness becomes damaged — through abrasion, heat exposure, or connector corrosion — the result can range from intermittent warning lights and sensor faults to full operational shutdowns, making prompt replacement critical to keeping the roller working accurately and safely.

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.