The Wacker Neuson is a genuine OEM Spring designed for an exceptionally wide range of Wacker Neuson equipment, including BFS floor saws, CT walk-behind concrete trowels, PT centrifugal trash pumps, PDT and PDI diaphragm trash pumps, GP and GV portable generators, BS and BPS vibratory rammers, VP and WP single-direction vibratory plate compactors, BPU reversible vibratory plate compactors, AP battery-powered vibratory plates, and select internal vibrator power units. As a genuine OEM component, part is manufactured to the same specification as the original part installed at the factory, ensuring consistent fitment across the full range of compatible machines. This Spring is a high-volume service part stocked across numerous model variants, making it a reliable go-to replacement for field technicians and equipment managers servicing mixed fleets. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Spring Tension Integrity — Manufactured to the original load and deflection specification, ensuring the spring performs its tensioning or return function exactly as designed — not approximated.
- Direct-Fit Replacement — Engineered to the same wire diameter, coil count, and free length as the original, allowing straightforward installation without modification to surrounding hardware or housings.
- Broad Cross-Family Fitment — A single part number covering floor saws (BFS), concrete trowels (CT), trash and diaphragm pumps (PT, PDT, PDI), portable generators (GP, GV, G-series), vibratory rammers (BS, BPS), single-direction plate compactors (VP, WP, AP), reversible plate compactors (BPU), and internal vibrator power units — reducing the number of SKUs a dealer or rental fleet needs to stock.
- Consistent Return and Retention Performance — A worn or fatigued spring can cause controls to stick, linkages to fail to return to neutral, or assemblies to rattle loose under vibration. Replacing with the correct 5000081777 spring restores crisp, predictable mechanical response.
- Fuel and Throttle System Suitability — Where this spring is used in carburetor, throttle, or governor linkage assemblies, correct spring tension is critical to proper engine speed control and safe fuel shutoff behavior — making OEM specification especially important in these applications.
A spring in this context functions as a mechanical return or retention element — it holds a component under load, returns a lever or linkage to its resting position, or maintains contact pressure between moving parts. Across the wide range of Wacker Neuson equipment this part fits, springs appear in throttle and governor linkages, carburetor assemblies, clutch mechanisms, valve trains, and structural retention points. When a spring loses tension through fatigue, corrosion, or deformation, the affected assembly may fail to return to the correct position, respond sluggishly to operator inputs, or allow unintended movement that accelerates wear on adjacent components. Replacing a fatigued spring promptly is a low-cost way to preserve the function and service life of the larger assembly it supports.
Part Details
| Part Number | 5000081777 |
|---|---|
| Old Part Number | 0081777 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS735 | BFS735 | 5100029228, 5100054573 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| PT2A Pump | PT2A | 5000009092, 5000009095, 5000009237, 5000006720, 5000006721, 5100058524, 5100058525, 5100042215 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| GP2500A | GP2500A | 5000620128, 5200002844, 5000620009, 5100041977 |
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611, 5000620769 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616, 5000620773 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407, 5000620775 |
| PG2A | PG2A | 5000007658, 5000009054 |
| PG3A | PG3A | 5000007659, 5000009055 |
| CT24-4A Trowel | CT24-4A | 5000620105 |
| 610mm/24 inch Walk-behind Trow el | CT24-4A EU | 5000620849 |
| GV2500A | GV2500A | 5000009345, 5000009350, 5000009355, 5000009360, 5000620542, 5000620286 |
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009545, 5000009472, 5000630045 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009546, 5000630043, 5000009486 |
| WP1540A VIBROPLATE | WP1540A | 5000008061, 5000630017, 5000630046, 5100018330 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579, 5000630019, 5000630044, 5100018323, 5100062423 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| VP1135AW VIBROPLATE | VP1135AW | 5000009058, 5000630060 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT-E | 5000007589, 5000008004 |
| 762mm/30in CE Walk-behind Trow el | CT30AGT | 5000008006, 5000008003 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| VP1135A VIBROPLATE | VP1135A | 5000009057, 5000630059, 5100029066, 5100018353 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054, 5100029057, 5100018345 |
| VP1340A VIBROPLATE | VP1340A | 5000009031, 5000630057, 5100029061, 5100018349 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062, 5100029053, 5100018361 |
| Value Vibratory Plate, 10 kN, 300mm/12in | VP1030A | 5000008701, 5000630047, 5100018357 |
| Single Direction Plate | VPH70 | 5000006907 |
| BPU2540A | BPU 2540A | 5000008758 |
| BS 50-4As 280 mm shoe | BS50-4As | 5100015099, 5200018219, 5200018226, 5100027197, 5100025357 |
| BS 60-4As 280 mm shoe | BS60-4As | 5100015123, 5200014910, 5200018232, 5200018231, 5200018233, 5100027198 |
| BS 70-4As 280 mm shoe | BS70-4As | 5100015124, 5100015126, 5100027199 |
| MS64A Vibratory Rammer, 11" | MS64A | 5200014899 |
| VP1030Aw | VP1030AW | 5000009514, 5000630423 |
| Single direction vibratory plate WP1030A | WP1030A | 5000630015 |
| Single direction vibratory plate WP1235A | WP1235A | 5000630016 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Modular Internal Vibrators | HD 3.7 | 5000006906 |
| Single Direction Plates | AP1135A | 5000009519 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| Gasoline Power Unit for Intern al Vibrator | A3000 | 5000006237 |
| Vibratory Plate | VPA1740 | 5000006794, 5000008062 |
| Vibratory Plate 587mm/18in | VPG165A | 5000008038 |
| 50Hz Portable Generator | G2.1AE | 5000008250, 5000008244, 5000008246, 5000008248 |
| HP50A | HP50A | 5000009508 |
| BPU 2540A US | BPU 2540A US | 5000610360 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| Vibratory Plate | VPA1750 | 5000006792 |
| Vibratory Plate 587mm/18in | VPG170A | 5000008039 |
| 50Hz Portable Generator | G2.1A | 5000008249, 5000008243, 5000008245, 5000008247 |
| Single Direction Plates | AP1550A | 5000009539 |
| Single Direction Plates | WP1235Aw | 5000630103 |
| Single Direction Plates | WP1235Aw-L | 5000630104, 5000630105 |
| Single Direction Plates | WP1235Aw-LL | 5000630122 |
| Soil and Asphalt Compaction | MP15A | 5000630318 |
| BFS735 | BFS735 CN | 5100042681 |
| Portable Generator | G2.5A | 5000007188, 5000009256 |
| 50Hz Portable Generator | G5.7AE | 5000009017 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| Single Direction Plate | WP1030Aw | 5000630110 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| HPG50A | HPG50A | 5000009509 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single Direction Plates | WP1550Aw | 5000630112, 5100016241, 5100062424, 5100066158 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| VP1550AW-CN | VP1550AW-CN | 5100055200 |
| Single Direction Plates | WP1540Aw | 5000630106, 5100018329 |
| WP1540Aw | WP1540Aw US | 5100018327 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| WP1550Aw | WP1550Aw US | 5100018324 |
| WP1540A | WP1540A US | 5100018328 |
| BS50-4AS 11IN US | BS50-4As 11in US | 5100030598 |
| BS50-4As 11in | BS50-4As 11in | 5100030599 |
| BS60-4AS 11IN US | BS60-4As 11in US | 5100030605, 5100054151 |
| BS60-4As 11in | BS60-4As 11in | 5100030606, 5100037562, 5100051581 |
| BS70-4As 11in US | BS70-4As 11in US | 5100030610 |
| BS70-4As 11IN | BS70-4As 11in | 5100030611 |
| BPS1340Aws | BPS1340Aws | 5100060129, 5100067726 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| Vibratory Plate 500mm/19.5in | VPA1350W | 5000006793 |
| Floor Saws | BFS 614AB | 5000009527 |
| A5000/160 ISO | A5000/160 ISO | 5000610325 |
| A5000/160 ANSI | A5000/160 ANSI | 5000610340 |
| PDI2A(I) | PDI2A(I) | 5000620772 |
| PDI3A(I) | PDI3A(I) | 5000620776 |
| WP1550A | WP1550A US | 5100018325 |
| VP2050Aw | VP2050Aw US | 5100029050, 5100018358 |
| VP2050A | VP2050A US | 5100029051, 5100018359 |
| VP2050Aw | VP2050Aw | 5100029052, 5100018360 |
| VP1550Aw | VP1550Aw US | 5100029054, 5100018342 |
| VP1550A | VP1550A US | 5100029055, 5100018343 |
| VP1550Aw | VP1550Aw | 5100029056, 5100018344, 5100051526 |
| VP1340Aw | VP1340Aw US | 5100029058, 5100018346 |
| VP1340A | VP1340A US | 5100029059, 5100018347 |
| VP1340Aw | VP1340Aw | 5100029060, 5100018348, 5100026775 |
| VP1340Aw | VP1340Aw Loxam | 5100029062 |
| VP1135A | VP1135A US | 5100029064, 5100018351 |
| vibratory Plate | BPU2540A CN | 5100046522 |
| BPS1030Aw | BPS1030Aw | 5100058916 |
| BPS1135Aw | BPS1135Aw | 5100059657 |
| BPS1030A | BPS1030A | 5100059658 |
| BPS1340Aw | BPS1340Aw | 5100059659 |
| BPS1135A | BPS1135A | 5100059662 |
| BPS1340A | BPS1340A | 5100059906 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| Vibratory Plate 400mm/15.5in | VPA1340 | 5000007154 |
| Gasoline Power Unit for Intern al Vibrator | A5000 | 5000009213 |
| VP1135AWSingle Direction Vibratory Plate | VP1135Aw US | 5100018350, 5100029063 |
| VP1135Aw | VP1135Aw | 5100029065, 5100018352 |
| Vibration Plate | WP1550Aw CN | 5100039663 |
| Vibration Plate | VP2050Aw CN | 5100039664 |
| Vibration Plate | VP1340Aw CN | 5100039665 |
| Reversible Vibratory Plate, 24 kN, 40cm/16in | BPU 2440A | 5000007867, 5000007869 |
| Vibration Plate BPU 2450A | BPU 2450A | 5000007868 |
| Vibratory Truss Screed, Power Section | HP100 | 5000008291 |
| Vibratory Truss Screed, Power Section | HP50 | 5000008292 |
| Vibratory Truss Screed, Power Section | SP75 | 5000008295 |
| Vibratory Truss Screed, Power Section | SP50 | 5000008296 |
| HPG100A | HPG100A | 5000009507 |
| Gasoline Powered Floor Saw | BFS 735A | 5100001816 |
| Floor saw BFS735 | BFS 735 | 5100009932 |
| Single direction vibratory plate VP1030Aw | VP1030Aw | 5100018356 |
| Vibration Plate | VP1135Aw CN | 5100039666 |
| PT2A(I) | PT2A(I) | 5100042613 |
| Rammer BS60-4As 11in CN | BS60-4As 11in CN | 5100058869 |
| BPS1550A | BPS1550A | 5100061215 |
| BPS1550Aw | BPS1550Aw | 5100061216 |
| BPS2050A | BPS2050A | 5100061217 |
| BPS2050Aw | BPS2050Aw | 5100061218 |
| BS65-4As 11in | BS65-4As 11in | 5100061307 |
| BS72-4As 11in | BS72-4As 11in | 5100061309 |
| BS62-4Ab/28 | BS62-4Ab/28 | 5100061966, 5100070526 |
| BS68-4Ab/28 | BS68-4Ab/28 | 5100061970, 5100070525, 5100070527 |
| BPS1550Aws | BPS1550Aws | 5100067727 |
| 4 stroke rammer BS50-4As, 280 mm adapter | BS50-4As 11in o. bsz | 5100068310 |
| BS62-4A/28 | BS62-4A/28 | 5100068373 |
| BS68-4A/28 | BS68-4A/28 | 5100068375 |
| BS68-4A/28 CN | BS68-4A/28 CN | 5100070152 |
| Modular Internal Vibrators | D3.5A3 | 5100072402 |
| Modular Internal Vibrators | D3.5A2 | 5100072405 |
| Vibratory Plate BPS1030Aw US | BPS1030Aw US | 5100080503 |
| Vibratory Plate BPS1030A US | BPS1030A US | 5100080504 |
| BPS1135Aw | BPS1135Aw US | 5100080505 |
| BPS1135A | BPS1135A US | 5100080506 |
| BPS1340Aw | BPS1340Aw US | 5100080507 |
| BPS1340A | BPS1340A US | 5100080508 |
| BT24A | BT24A | 5100081469 |
| BT36A | BT36A | 5100081470 |
| Vibratory Plate BPS1030Aw EU | BPS1030Aw EU | 5100084343 |
| Vibratory Plate BPS1030A EU | BPS1030A EU | 5100084344 |
| Vibratory Plate BPS1135Aw EU | BPS1135Aw EU | 5100084347 |
| Vibratory Plate BPS1135A EU | BPS1135A EU | 5100084348 |
| Vibratory Plate BPS1340Aw EU | BPS1340Aw EU | 5100084349 |
| Vibratory Plate BPS1340A EU | BPS1340A EU | 5100084350 |
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.