The Wacker Neuson Main Bearing Us=0.25 is a genuine OEM component designed for the DS70 and DS720 diesel vibratory rammer series, as well as select VPY-series diesel vibratory plates, VP2050Y vibratory soil plates, PT2Y trash pumps, and YD/D3.5Y modular internal vibrators. Sourced directly from Wacker Neuson, this bearing is manufactured to the exact tolerances specified for these machines — ensuring proper crankshaft support and smooth power transmission. The 0.25 undersize designation means this bearing is engineered for use during engine rebuilds where the crankshaft journal has been reground to a 0.25 undersize dimension. Confirming your machine model number before ordering is the best way to verify this is the correct bearing grade for your application.
Key Features
- Genuine OEM Tolerancing: — Manufactured to Wacker Neuson's exact dimensional specifications for crankshaft bearing clearance, ensuring correct oil film retention and load distribution in the lower end.
- 0.25 Undersize Specification: — Designed specifically for engines where the crankshaft has been reground 0.25 undersize — a direct drop-in for properly machined journals with no shimming or adjustment.
- Broad Model Coverage: — Fits DS70 and DS720 diesel rammers across multiple configurations (11 in and 13 in shoe variants), VPY1740, VPY1750, VP2050Y vibratory plates, PT2Y trash pumps, and YD/D3.5Y modular internal vibrators.
- Lower-End Integrity: — A correctly fitted main bearing keeps crankshaft runout within spec, preventing accelerated wear on connecting rod journals and maintaining consistent compression in diesel-powered equipment.
- Critical Rebuild Component: — Using an undersize bearing with the wrong grade risks excessive bearing clearance or seizure; the OEM part number 5000119729 confirms you are installing the correct 0.25 undersize specification for a safe, lasting repair.
The main bearing supports the crankshaft within the engine block, carrying the rotational loads generated during each power stroke while maintaining a precise oil film to prevent metal-to-metal contact. In a diesel rammer or vibratory plate engine, these bearings endure high cyclic loads from the reciprocating motion of the compaction mechanism — making dimensional accuracy during replacement especially critical. When a main bearing wears beyond its service limit or is installed at the wrong clearance, the result is low oil pressure, knocking, accelerated journal damage, and ultimately engine failure.
Part Details
| Part Number | 5000119729 |
|---|---|
| Old Part Number | 0119729 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Bearing Us=0.25 |
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, 280mm /11in Shoe | DS720 | 5000008200, 5000009059, 5000009060, 5000009309 |
| Single Direction Plate | VPY70 | 5000007001 |
| 50mm/2in Centrifugal Trash Pum p | PT2Y | 5000007117 |
| Diesel Vibratory Plate | VPY1740 | 5000007126, 5000009082 |
| Diesel Vibratory Plate | VPY1750 | 5000007127, 5000009081 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050Y | 5000009089, 5000009515, 5000009090 |
| Modular Internal Vibrators | YD 3.5 | 5000007003 |
| DS70Y 13" | DS70Y 13in | 5100030612 |
| Modular Internal Vibrators | D3.5Y2 | 5100072404 |
| Modular Internal Vibrators | D3.5Y3 | 5100072406 |
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.