The Wacker Neuson is a genuine OEM Contact Safety Device designed for the RD7 series walk-behind tandem rollers and the DPU 4045H, DPU 5045H, DPU 4545H, and DPU 5545H series diesel reversible vibratory plate compactors. As a direct Wacker Neuson OEM part, the is manufactured to the exact specification required by these machines, ensuring correct electrical interface and reliable activation every time the safety circuit is engaged. This part fits an extensive range of RD7 and DPU H-series configurations including European, North American, and specialty variants. If your tandem roller or reversible plate compactor requires a Contact Safety Device replacement, part number is the factory-correct choice.
Key Features
- Genuine OEM Electrical Specification — Manufactured to Wacker Neuson's exact switching and contact tolerances, ensuring the safety circuit activates and de-activates at the correct threshold — critical for a safety-rated device.
- Direct Connector Match — Plug-and-play replacement that connects directly into the existing wiring harness on RD7 tandem rollers and DPU H-series reversible plates without splicing or adapter work.
- Broad Fitment Across Two Machine Families — Covers RD7 walk-behind tandem roller variants (RD7H, RD7He, RD7Heh, RD7Hehf, RD7Hehfb) and DPU 4045H, 5045H, 4545H, and 5545H reversible vibratory plate compactors across multiple build series.
- Keeps the Safety Interlock Fully Functional — A worn or failed contact safety device can cause the machine to run unsafely or fail to shut down correctly under operator-release conditions; replacing it promptly restores intended machine behavior.
- Operator Safety Compliance — Safety interlock components are subject to machine compliance standards; using the genuine OEM part ensures the device meets the switching performance the machine was certified with.
The Contact Safety Device is an electrical safety interlock component that monitors operator presence or a specific machine condition and interrupts machine operation when that condition is not met. On tandem rollers and reversible vibratory plate compactors, this type of device is typically integrated into the operator control circuit so that if the operator releases the handle or steps away, the machine responds by stopping or engaging a safety state. When the contact safety device wears out, corrodes, or fails, the safety circuit may become unreliable — either preventing the machine from starting or, more critically, allowing it to continue running when it should not. Replacing a faulty unit with a genuine OEM part restores the designed safety behavior and keeps the machine operating as originally intended.
Part Details
| Part Number | 5000104466 |
|---|---|
| Old Part Number | 0104466 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Contact Safety Device |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD 7ES | RD7H-ES EU | 5000620794 |
| RD 7S | RD7H-S EU | 5000620795 |
| RD7H-ES Tandem Roller | RD7H-ES | 5000009408 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| Double Drum Vibratory Roller | RD7H | 5000008042, 5100017195, 5100017338, 5200015242, 5200015245 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| V.Plate DPU 5045Heap | DPU 5045H | 5000610046, 5000610052, 5000610047, 5000007862, 5000007936, 5000007965, 5000610045 |
| V.Plate DPU 4045Hap | DPU 4045H | 5000610044, 5000610051, 5000610064, 5000007888, 5000007935, 5000610043 |
| DPU5545Heh | DPU5545Heh | 5100009652 |
| DPU5545HEH US | DPU5545Heh US | 5100009653 |
| DPU5545Hehap | DPU5545Hehap | 5100009654 |
| DPU5545Hech | DPU5545Hech | 5100009655, 5100051523 |
| DPU4545Heh | DPU4545Heh | 5100009659 |
| DPU4545HEH US | DPU4545Heh US | 5100009660 |
| DPU4545Hech | DPU4545Hech | 5100015429, 5100051522 |
| DPU5545He | DPU5545He | 5100016947 |
| DPU5545Heap | DPU5545Heap | 5100016949 |
| DPU5545Hec | DPU5545Hec | 5100016950 |
| DPU4545He | DPU4545He | 5100016951 |
| DPU4545Hec | DPU4545Hec | 5100016953 |
| DPU5545H | DPU 5545H | 5100009656, 5000610352 |
| DPU4545H | DPU 4545H | 5100009661, 5000610348 |
| DPU5545HECH US | DPU5545Hech US | 5100016948 |
| DPU4545HECH US | DPU4545Hech US | 5100016952 |
| DPU4545Hechzf | DPU4545Hechzf | 5100022112 |
| DPU 5045He-VIBROPLATE | DPU 5045He US | 5000610367 |
| DPU5545He-VIBROPLATE | DPU 5545He US | 5000610402 |
| Vibratory Plate DPU 4545He US | DPU 4545He US | 5100000679 |
| DPU4545He-VIBROPLATE | DPU 4545He | 5000610347 |
| Vibratory Plate DPU 4545Hap | DPU 4545Hap | 5000610349 |
| Vibratory Plate DPU 5545He | DPU 5545He | 5000610351 |
| Vibratory Plate DPU 5545Heap | DPU 5545Heap | 5000610353 |
| Vibratory Plate | DPU 5545Hec | 5100005859 |
| RD7Heh | RD7Heh | 5100006334 |
| RD7Hehf | RD7Hehf | 5100006339 |
| RD7Hehfb | RD7Hehfb | 5100006344 |
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.
