The Wacker Neuson Male Adapter Straight Fitting is a genuine OEM hydraulic fitting designed for a wide range of Wacker Neuson trench rollers, tandem rollers, and ride-on concrete trowels, including the RT82-SC2, RT56-SC2, RTLx-SC3, RTKx-SC3, RD7, RD27, and CRT series machines. As a genuine OEM part, is manufactured to the same specifications as the original component installed at the factory, ensuring a correct and secure connection within the hydraulic circuit. This fitting is a direct replacement for the original, slotting into the existing hydraulic line without modification to the surrounding hardware. With broad fitment coverage spanning multiple generations of Wacker Neuson compaction and finishing equipment, this is the right part for keeping hydraulic systems intact and leak-free.
Key Features
- Genuine OEM Construction — Manufactured to original hydraulic pressure and thread specifications, ensuring a leak-free seal under the operating demands of vibratory compaction and concrete finishing equipment.
- Straight-Through Flow Path — The inline male adapter design maintains full hydraulic flow with no angular restriction, making installation and line routing straightforward in tight machine compartments.
- Wide Fitment Coverage — Compatible with RT82, RT56, RTLx-SC3, RTKx-SC3, RTx-SC2, RD7, RD27, RD880V, and CRT series machines, covering both trench roller and tandem roller hydraulic systems across multiple model generations.
- Hydraulic Integrity — A properly seated adapter fitting maintains system pressure and prevents fluid loss; a worn or damaged fitting can cause pressure drop, fluid leakage, and reduced drive or vibration performance.
- Fuel and Fluid System Safety — In hydraulic applications, thread and seal integrity are critical to safe operation; using a correctly rated OEM fitting eliminates the risk of fitting incompatibility that could lead to uncontrolled fluid release under pressure.
A male adapter straight fitting is a threaded hydraulic connector that joins two sections of a hydraulic line or connects a hose to a port in a straight, inline configuration. In machines like vibratory trench rollers and tandem rollers, these fittings are part of the hydraulic circuits that power the drive system and vibratory drums. When a fitting cracks, corrodes, or strips, it allows hydraulic fluid to escape, which immediately reduces system pressure and can cause erratic or complete loss of drive and vibration function. Replacing a failed fitting with the correct OEM-specified component restores hydraulic integrity and keeps the machine performing as intended.
Part Details
| Part Number | 5000078816 |
|---|---|
| Old Part Number | 0078816 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Male Adapter Straight Fitting |
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 |
| 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 |
| Walk-behind Vibratory Roller ( no engine) | RD7-RAW | 5000620079, 5000620596, 5000620478 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11AEC | 5000007695 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11A | 5000007693 |
| Double Drum Vibratory Roller | RD7H | 5000008042, 5100017195, 5100017338, 5200015242, 5200015245 |
| 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 |
| RTKx-SC3 Trench Roller | RTK82-SC3 | 5200019257, 5200019256, 5200019255 |
| RTKx-SC3 TRENCH ROLLER,GRN | RTKx-SC3 | 5200019258, 5200019259, 5100018517, 5100018518, 5100034371, 5100037397, 5100039613, 5100052333, 5100052334, 5100052335, 5100052336, 5100052337 |
| Vibratory Trench Roller | RT560 | 5000009001, 5000009000, 5000007643, 5000007642 |
| Vibratory Trench Roller | RT820 | 5000009003, 5000009002, 5000007644, 5000007652 |
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| RD7 Tandem Roller | RD7He | 5100017193, 5100017194, 5200015241, 5200015244, 5100038031, 5100018451 |
| Hydrostatic Vibratory Roller | RD27-100 | 5200005878, 5200014868, 5200023554, 5200023556, 5200005876, 5200021387 |
| Hydrostatic Vibratory Roller | RD27-120 | 5200005879, 5200014869, 5200014922, 5200014923, 5200023555, 5200023557, 5200024441, 5200005877, 5200021389 |
| CRT60-66K | CRT60-66K | 5000620921, 5000620922 |
| Trench Roller | RTx-SC2 EU | 5100028378, 5200008540, 5100052330 |
| RD7Ye Tandem Roller | RD7Ye | 5100027116, 5100027117, 5100038032, 5100048340 |
| RTx-SC2 TRENCH ROLLER | RTx-SC2 | 5200008538, 5200008539, 5200018044, 5200018329 |
| CRT48-37V Trowel, Power Steer | CRT48-37V-PS | 5100024291 |
| Vibratory Trench Roller | RT820HT | 5000007645, 5000008047 |
| CRT48-35V, Power Steer | CRT48-35V-PS | 5200016909 |
| CRT60-74LX | CRT60-74LX | 5100038000 |
| CRT60-74L | CRT60-74L | 5200012300 |
| Double Drum Vibratory Roller | RD880V | 5000006736 |
| Engine | Engine | 5100044890 |
| Hydraulic System | Hydraulic System | 5100048262 |
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.
