The Wacker Neuson is a genuine OEM Elbow Fitting designed for the RD27 series tandem rollers and CB14B series soil and asphalt compactors. Sourced directly from Wacker Neuson, this fitting carries the same specifications as the original component installed at the factory. It is confirmed compatible with RD27-100 and RD27-120 variants — including Pro and Basic T4F configurations — as well as CB14B-900 and CB14B-1000 machines. When a hydraulic or fluid line fitting wears, cracks, or begins to weep, replacing it promptly with the correct OEM part keeps fluid routing sealed and the machine operating as intended.
Key Features
- OEM-Spec Sealing Geometry — Manufactured to the exact thread form, angle, and seat dimensions of the original fitting, ensuring a leak-free connection without improvised adapters.
- Drop-In Replacement — Threads and port sizing match the original installation point, so the fitting seats correctly first time without reworking the mating line or housing.
- Broad RD27 Coverage — Fits RD27-100 and RD27-120 tandem rollers across multiple build configurations, including Pro and Basic Tier 4 Final variants.
- CB14B Series Compatible — Also fits CB14B-900 and CB14B-1000 soil and asphalt compactors, making this a useful stocking part across mixed fleets.
- Fluid System Integrity — A correctly installed elbow fitting maintains proper hydraulic or coolant pressure in the circuit; a cracked or cross-threaded fitting can cause fluid loss, pressure drop, and unplanned machine downtime.
- Fuel and Fluid System Safety — On machines where this fitting is part of a pressurized fluid circuit, using a correctly rated OEM fitting reduces the risk of line separation or spray — a genuine safety concern on operating equipment.
An elbow fitting redirects a fluid or hydraulic line at an angle — typically 45° or 90° — allowing hoses and hard lines to be routed cleanly around other components without sharp bends that would restrict flow or stress the line. On compaction equipment like the RD27 and CB14B, these fittings are part of the hydraulic drive or ancillary fluid circuits that keep the machine's systems pressurized and responsive. When a fitting corrodes, cracks at the elbow, or its threads strip, the circuit can lose pressure or leak fluid, causing erratic drive behavior or forcing a shutdown until the fitting is replaced.
Part Details
| Part Number | 5200002378 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Elbow Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
| Soil and Asphalt Compaction | CB14B-900 | 5200004071, 5200004073, 5200004074, 5200005252, 5200019030 |
| Soil and Asphalt Compaction | CB14B-1000 | 5200004072, 5200004688, 5200019031 |
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.