The Wacker Neuson Left Duct is a genuine OEM component designed for the RD12A-90 Tandem Roller series and the BFS 2020AS Saw. Sourced directly from Wacker Neuson, this part is manufactured to the exact specifications of the original, ensuring a direct-fit installation with no guesswork. It is compatible across multiple RD12A-90 configurations, including the standard model, the Foldable ROPS variant, and the double drum model. If your machine is showing restricted airflow, uneven duct wear, or damage to the left-side ducting, part number is the correct factory replacement to restore proper function.
Key Features
- OEM-Matched Airflow Geometry — Manufactured to Wacker Neuson's original duct profile, ensuring correct airflow direction and volume on the left side of the machine.
- Direct-Fit Installation — Replaces the original left duct using existing mounting points, with no trimming or adaptation needed to align with adjacent components.
- Broad RD12A-90 Compatibility — Fits the RD12A-90 Tandem Roller in standard, Foldable ROPS, and double drum configurations, as well as the BFS 2020AS Saw.
- Maintains Cooling and Exhaust Routing — A correctly fitted left duct keeps airflow properly channeled; a cracked or missing duct can cause heat buildup and compromise engine bay temperatures.
- Genuine Wacker Neuson Part — Supplied as genuine OEM, meaning the material grade and dimensional tolerances match what left the factory originally — critical for a structural ducting component subject to heat cycling and vibration.
The left duct channels air through a designated side of the machine's engine or cooling compartment, directing airflow to prevent heat accumulation around critical components. On compaction rollers and cut-off saws like those in the RD12A-90 and BFS 2020AS lines, proper duct routing is essential to maintaining safe operating temperatures during sustained use. When a duct becomes cracked, warped, or missing entirely, hot air recirculates rather than exhausting correctly, which can accelerate wear on nearby components and trigger thermal protection systems.
Part Details
| Part Number | 5000212786 |
|---|---|
| Old Part Number | 0212786 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Left Duct |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 Tandem Roller | RD12A-90 | 5000620058, 5000620320, 5000620369 |
| BFS 2020AS SAW | BFS 2020AS | 5000620086 |
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.
