The Wacker Neuson Relay is a genuine OEM component designed for a broad range of Wacker Neuson remote-controlled trench rollers, tandem rollers, reversible vibratory plate compactors, and mobile generators. This includes the RT82-SC2, RT56-SC2, RT82-SC, RT56-SC, RTx-SC2, RTLx-SC3, and RTL82-SC3 trench roller series, the RD11A, RD11V, and RD11AEC tandem rollers, select DPU80, DPU90, and DPU110 reversible plate compactor models, and G12 and G25 mobile generators. As a genuine Wacker Neuson part, the is manufactured to the same specifications as the original component installed at the factory, ensuring a direct, hassle-free installation. Sourcing the correct relay by part number is critical across this wide fitment range — always confirm your machine model and serial number before ordering.
Key Features
- Genuine OEM Electrical Integrity — Manufactured to Wacker Neuson's original coil resistance and contact rating specifications, so switching behavior matches what the machine's control system expects.
- Broad Cross-Family Fitment — Covers RT, RTL, RTx trench roller series, RD11 tandem rollers, DPU80/90/110 reversible plate compactors, and G12/G25 mobile generators under a single part number.
- Direct Drop-In Installation — Matches the original connector type and mounting configuration, allowing straightforward swap-out without adapters or wiring modifications.
- Electrical System Protection — A properly functioning relay ensures circuits are switched cleanly and at rated load, protecting downstream components like solenoids, motors, and control boards from voltage spikes or arcing damage.
- Safety-Critical Switching Function — Relays govern ignition, shutdown, and control logic on remote-operated trench rollers; a failed relay can prevent machine start, disable safety shutdowns, or cause unintended electrical behavior.
A relay is an electrically operated switch that uses a low-current control signal to open or close a higher-current circuit within the machine. On remote-controlled trench rollers and compaction equipment, relays manage critical functions including engine start circuits, vibration system activation, and safety interlocks — meaning a faulty relay can cause no-start conditions, loss of vibration, or failure of the machine to respond to operator commands. On generators, relays typically manage load control or output protection circuits. When a relay wears out or fails, the contacts may stick open or closed, leading to intermittent faults, complete electrical failure of the affected circuit, or uncontrolled machine behavior; replacing it promptly with the correct part restores normal, predictable operation.
Part Details
| Part Number | 5000085437 |
|---|---|
| Old Part Number | 0085437 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relay |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Trench Roller | RT82-SC2 | 5000620530, 5000620293, 5000620367, 5000620525, 5000620528, 5000620529, 5000620526, 5000620527 |
| Vibratory Trench Roller | RT82-SC2 EU | 5000620845, 5200003107 |
| Vibratory Trench Roller | RT56-SC2 | 5000620294, 5000620368 |
| Vibratory Trench Roller | RT56-SC2 EU | 5000620844 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Vibratory Trench Roller | RT82-SC | 5000009025, 5000620365, 5000620324, 5000620353, 5000620480, 5000620481, 5000620482 |
| Vibratory Trench Roller | RT56-SC | 5000009026, 5000620366 |
| RTLx-SC3 TRENCH ROLLER,GRN | RTLx-SC3 | 5200019251, 5200019250, 5200019254, 5200019252, 5100018515, 5100018516, 5200019253, 5100038346, 5100045091, 5100052332, 5100052269 |
| RTL82-SC3 ROLLER,SMOOTH DRUM | RTL82-SC3 | 5200019234, 5200019238, 5200019232, 5200019233, 5200019235, 5200019236, 5200019237, 5200019239, 5200022541 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000, 5000007643, 5000007642 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002, 5000007644, 5000007652 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
| Mobile Generator Skid Mounted | G25 | 5000008228 |
| Mobile Generator, Skid Mounted | G12 | 5000008227 |
| Vibratory Trench Roller | RT820HT | 5000007645, 5000008047 |
| DPU 130Le | DPU 130Le | 5000610143 |
| DPU130Le | DPU130Le CH/US | 5000610424 |
| DPU80Lec770 | DPU80Lec770 | 5100026787 |
| DPU110Lec870 | DPU110Lec870 | 5100026869 |
| DPU80Lec670 | DPU80Lec670 | 5100027032 |
| DPU110Lec970 | DPU110Lec970 | 5100027035 |
| DPU90Lec670 | DPU90Lec670 | 5100027534 |
| DPU90Lec770 | DPU90Lec770 | 5100027536 |
| DPU80Lem770 | DPU80Lem770 | 5100018444 |
| DPU110Lem870 | DPU110Lem870 | 5100018445 |
| DPU80Lem670 | DPU80Lem670 | 5100024695 |
| DPU110Lem970 | DPU110Lem970 | 5100024696 |
| DPU90Lem770 | DPU90Lem770 | 5100024731 |
| DPU110Lec970 US | DPU110Lec970 US | 5100026784 |
| DPU80rLec670 | DPU80rLec670 | 5100027033 |
| DPU80rLec770 | DPU80rLec770 | 5100027034 |
| DPU90Lec770 US | DPU90Lec770 US | 5100028357 |
| DPU80rLem670 | DPU80rLem670 | 5100024697 |
| DPU80rLem770 | DPU80rLem770 | 5100024698 |
| DPU110Lem970 US | DPU110Lem970 US | 5100024730 |
| DPU90Lem770 US | DPU90Lem770 US | 5100024732 |
| DPU110rLec970 | DPU110rLec970 | 5100027036 |
| DPU110rLec870 | DPU110rLec870 | 5100027077 |
| DPU90rLec770 US | DPU90rLec770 US | 5100028359 |
| DPU110rLem970 | DPU110rLem970 | 5100024699 |
| DPU110rLem870 | DPU110rLem870 | 5100026697 |
| DPU110rLec970 US | DPU110rLec970 US | 5100026786 |
| DPU90rLem770 | DPU90rLem770 US | 5100028358 |
| DPU110rLem970 US | DPU110rLem970 US | 5100026785 |
| DPU110Lekc970 | DPU110Lekc970 | 5100034515 |
| Vibration Plate DPU 80-110(r) KMAT | DPU 80/110 KMAT | 5100016604 |
| Trench Roller | HTC15 | 5100065571 |
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.
