The Wacker Neuson Pulley is a genuine OEM component designed for DS70 and DS720 diesel vibratory rammers, VPY1740 and VPY1750 diesel vibratory plates, DPU 2950Y reversible vibratory plates, and several related models in the Wacker Neuson compact compaction lineup. Sourced directly from Wacker Neuson, part number carries the same dimensional and material specifications as the original, ensuring a direct fit with no guesswork. This pulley serves a broad range of configurations across the DS70 and DS720 rammer families, including 280 mm and 330 mm shoe variants, making it a versatile stocking part for dealers and service crews running mixed fleets. Cross-referenced fitment also includes the DPS 1850Y vibratory plate and the D4000 diesel power unit for internal vibrators.
Key Features
- Genuine OEM Belt Drive Precision — Manufactured to the exact groove profile and diameter spec of the original, maintaining correct belt tension and drive efficiency across the pulley's full service life.
- Drop-In Replacement — Matches the original mounting bore and hub interface on DS70, DS720, VPY1740, VPY1750, and DPU 2950Y machines, so installation follows the standard service procedure without modification.
- Wide Compaction Family Coverage — A single part number covers DS70 and DS720 diesel rammers (both 280 mm and 330 mm shoe builds), VPY diesel vibratory plates, DPS 1850Y, and the D4000 power unit, reducing the number of SKUs needed on the shelf.
- Drive System Integrity — A worn or out-of-spec pulley causes belt slippage, uneven wear, and loss of compaction force. Replacing with a correctly dimensioned OEM pulley restores full power transfer to the exciter mechanism.
- Verified Wacker Neuson Part Number — Part number 5000073778 is the authoritative OEM reference for this application, confirmed against Wacker Neuson parts documentation for the listed model and machine number combinations.
The pulley on a diesel rammer or vibratory plate is a core element of the belt drive system that transfers power from the engine to the exciter or vibration mechanism. It works in conjunction with the drive belt to convert engine rotation into the high-frequency compaction force that gives these machines their effectiveness on cohesive soils and trench work. When the pulley wears, develops surface damage, or loses dimensional accuracy, belt tracking suffers — leading to premature belt failure, reduced vibration output, and increased stress on the engine and drive components. Replacing a worn pulley promptly keeps the drive system balanced and the machine delivering consistent compaction performance.
Part Details
| Part Number | 5000073778 |
|---|---|
| Old Part Number | 0073778 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pulley |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| DS70 Vibratory Rammer, 11" Plastic Shoe EPA | DS70 | 5000620049, 5000620050, 5000620052, 5000620053, 5000620054, 5000620911, 5000009342, 5000009402, 5000009403 |
| Diesel Vibratory Rammer, 330mm /13in Shoe | DS720 | 5000008203, 5000008200, 5000009059, 5000009060, 5000009309 |
| 50mm/2in Centrifugal Trash Pum p | PT2Y | 5000007117 |
| Diesel Vibratory Plate | VPY1740 | 5000007126, 5000009082 |
| Diesel Vibratory Plate | VPY1750 | 5000007127, 5000009081 |
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050Y | 5000009090 |
| Vibration Plate DPS 1850Y | DPS1850Y | 5000007780 |
| Reversible Vibratory Plate, 29 kN, 50cm/20in | DPU 2950Y | 5000007874 |
| DS70Y 13" | DS70Y 13in | 5100030612 |
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.
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