The Wacker Neuson Square Key 3/16 X 1.50 is a genuine OEM component designed for the WP and VP series single-direction vibratory plate compactors. As a direct OEM replacement, this square key is manufactured to the exact dimensional tolerances required to maintain proper shaft-to-hub engagement within the drivetrain. It fits a broad range of Wacker Neuson vibratory plates, including WP1550, WP1550W, WP1540, WP1540W, VPY1740, VPY1750, VPA1740, VPA1750, VPA1350W, VPA1340, VPX1740, VPX1750, and VPR1330 models. Sourcing part number directly ensures you receive the correct size and material spec for a lasting repair.
Key Features
- Exact Dimensional Tolerancing — Manufactured to OEM specifications for the 3/16 x 1.50 profile, ensuring a proper interference fit between shaft and driven component with no slop or play.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this square key matches the original material grade and hardness used in production builds.
- Broad Vibratory Plate Compatibility — Fits WP1550, WP1540, VPY1740, VPY1750, VPA, VPX, and VPR series single-direction vibratory plate compactors across multiple build configurations.
- Drivetrain Integrity — A correctly seated square key locks the drive connection and allows full torque transfer to the compaction mechanism; a worn or sheared key causes slippage, lost compaction force, and accelerated shaft wear.
- Drop-In Installation — Sized to slide directly into the existing keyway on compatible WP and VP series machines, requiring only standard hand tools to install.
A square key is a small but critical drivetrain fastener that locks a rotating shaft to a mating hub, pulley, or gear, preventing relative rotation between the two components. In a vibratory plate compactor, it transmits engine torque through the drive system to the exciter mechanism that generates compaction force. When a square key shears or wears down, the drive connection slips, compaction output drops noticeably, and continued operation can cause scoring damage to both the shaft and hub bore — turning a low-cost hardware replacement into a major repair.
Part Details
| Part Number | 5000051736 |
|---|---|
| Old Part Number | 0051736 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Square Key 3/16 X 1.50 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550VW | 5000007577 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550V | 5000007580 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550RW | 5000007578 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550R | 5000007581 |
| WP1540W VIBROPLATE | WP1540W | 5000009326, 5000009547, 5000630066 |
| WP1550W VIBROPLATE | WP1550W | 5000009324, 5000009548, 5000630064 |
| WP1550 VIBROPLATE | WP1550 | 5000009325, 5000630065 |
| WP1540 VIBROPLATE | WP1540 | 5000009327, 5000630067 |
| Diesel Vibratory Plate | VPY1740 | 5000007126, 5000009082 |
| Diesel Vibratory Plate | VPY1750 | 5000007127, 5000009081 |
| Vibratory Plate 300mm/12in | VPR1330 | 5000006512 |
| Vibratory Plate | VPA1740 | 5000006794, 5000008062 |
| Vibratory Plate | VPA1750 | 5000006792 |
| Vibratory Plate (without engin e) | VPX1740 | 5000006800 |
| Vibratory Plate (without engin e) | VPX1750 | 5000006524 |
| Vibratory Plate 500mm/19.5in | VPA1350W | 5000006793 |
| Vibratory Plate 400mm/15.5in | VPA1340 | 5000007154 |
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.
