The Wacker Neuson Fitting Key is a genuine OEM component designed for an exceptionally wide range of Wacker Neuson equipment, including CT36 and CT48 concrete power trowels, VP and WP single-direction vibratory plate compactors, PT2 and PT3 centrifugal trash pumps, GP2600 and GP4000 portable generators, and PDT diaphragm pumps, among many others. As a direct factory replacement, part meets the original engineering specifications set by Wacker Neuson, ensuring correct installation without guesswork. This fitting key is a small but structurally critical fastening component — sourcing the correct OEM part prevents play, misalignment, and premature wear in the assemblies it secures. Cross-reference your machine's model and serial number against the fitment list to confirm compatibility before ordering.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to Wacker Neuson's original tolerances, this fitting key delivers the precise interference fit needed to lock rotating shafts and hubs securely in place.
- Drop-In Replacement — Matches the original keyway profile exactly, sliding into position without filing, grinding, or shimming during reinstallation.
- Broad Cross-Equipment Compatibility — A single part number covers CT36 and CT48 power trowels, VP and WP vibratory plates, PT2 and PT3 trash pumps, GP2600 and GP4000 generators, PDT2 and PDT3 diaphragm pumps, and more — simplifying parts stocking across a mixed fleet.
- Prevents Shaft and Hub Damage — A correctly fitted key eliminates rotational slop between the shaft and mating component; a worn or missing key allows fretting that rapidly damages both the shaft and hub, turning a low-cost fix into a major repair.
- Drive Integrity Under Load — Keeps power transfer between shaft and driven component positive and consistent, which is especially important on high-cycle equipment like vibratory plates and trowels operating under continuous load.
A fitting key is a small rectangular or square piece of hardened metal that sits in a machined slot — called a keyway — cut into both a rotating shaft and the hub of the component it drives, such as a pulley, sprocket, or impeller. By bridging the two keyways, the key locks the hub to the shaft so torque is transferred cleanly rather than relying on friction or fasteners alone. When a fitting key shears, deforms, or falls out of its keyway, the driven component spins freely on the shaft, causing an immediate loss of function and often accelerating wear to the surrounding metal surfaces that can be costly to repair.
Part Details
| Part Number | 5000156464 |
|---|---|
| Old Part Number | 0156464 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
| Premium Portable Generator | GP2600 | 5000620088, 5000620116 |
| 50mm/2in Diaphragm Trash Pump | PDT2 | 5000009494, 5000620770 |
| 75mm/3in Diaphragm Trash Pumps | PDT3 | 5000009495, 5000620774 |
| PG2 Dewatering Pump | PG2 | 5000009496, 5000009497 |
| PG3 Dewatering Pump | PG3 | 5000009498, 5000009499 |
| Value Vibratory Plate, 11kN, 3 50mm/13.8in | VP1135R | 5000008709, 5000009071, 5000630061 |
| Value Vibratory Plate, 11 kN, 356mm/14in | VP1135RW | 5000009251, 5000009512 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340RW | 5000009034 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550RW | 5000009030 |
| Value Vibratory Plate, 13 kN, 400mm/15.5in | VP1340R | 5000009033 |
| VP1340W VIBROPLATE | VP1340W | 5000008706, 5000630051 |
| Value Vibratory Plate, 15 kN, 500mm/19.5in | VP1550R | 5000009029, 5000630056 |
| Value Vibratory Plate, 20 kN, 500mm/19.5in | VP2050R | 5000009088, 5000630063 |
| VP1550W VIBROPLATE | VP1550W | 5000008708, 5000630013, 5000630053 |
| Vibratory Soil Plate, 60 kN | VP60X | 5000009533 |
| Vibratory Soil Plate, 50 kN | VP50H | 5000009542 |
| Vibratory Soil Plate, 60 kN | VP60H | 5000009543 |
| VP1340 Single Direction Vibratory Plate | VP1340 | 5000008705, 5000630050 |
| Vibratory Soil Plate, 50 kN | VP50X | 5000009531 |
| Single Direction Plate | VPR70 | 5000006909 |
| WP1540W VIBROPLATE | WP1540W | 5000009326, 5000630018, 5000009547, 5000630066 |
| VP1550 VIBROPLATE | VP1550 | 5000008707, 5000630052 |
| WP1550W VIBROPLATE | WP1550W | 5000009324, 5000009548, 5000630020, 5000630064 |
| WP1550 VIBROPLATE | WP1550 | 5000009325, 5000630065 |
| WP1540 VIBROPLATE | WP1540 | 5000009327, 5000630067 |
| Single Direction Plates | AP1550R | 5000009538 |
| VP50Hw-VIBROPLATE | VP50Hw | 5000630096 |
| VP60Hw-VIBROPLATE | VP60Hw | 5000630097 |
| Value Vibratory Plate | VP2050I | 5000009541 |
| VP50Xw-VIBROPLATE | VP50Xw | 5000630094 |
| VP60Xw-VIBROPLATE | VP60Xw | 5000630095 |
| Value Vibratory Plate, 10 kN, 356mm/14in | VP1035R | 5000008208 |
| BFS12 FLOOR SAW | BFS12 | 5000630000 |
| WP 2050W | WP2050W | 5000630023 |
| WPP 1540W | WPP1540W | 5000630027 |
| WPP 1550W | WPP1550W | 5000630031 |
| WPP 1550Ww | WPP1550Ww | 5000630032 |
| Single Direction Plate | AP1135R | 5000009518 |
| WPP 1540Ww | WPP1540Ww | 5000630028 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Single Direction Asphalt Plate | VP2050RW | 5000009511 |
| VP2050W VIBROPLATE | VP2050W | 5000009537 |
| Walk-behind Rollers | RS600 | 5000630194, 5000630136 |
| Modular Internal Vibrators | RD 3.7 | 5000006908 |
| 500mm/50in, 20kN Value Vibrato ry Plate | VP2050 | 5000009530 |
| Floor Saw | BFS16 | 5000630098 |
| Value Vibratory Plate, 11kN 356mm/14in | VP1135R-AU | 5000630102 |
| Single Direction Plates | VP1340W-L | 5000630001 |
| Single Direction Plates | VP1340W-LL | 5000630002 |
| Single Direction Plates | VP1340W-LF | 5000630003 |
| Floor Saws | BFS1214 | 5000630004, 5000630093 |
| Single Direction Plate | WP1550Ww | 5000630113 |
| Single Direction Plate | WP2050Ww | 5000630116 |
| VP1340W VIBROPLATE, W/WHEEL KIT | VP1340W w/WH | 5000630121 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Floor Saw | BFS 12 | 5000630092 |
| Single Direction Plate | WP1540Ww | 5000630111 |
| Gas Reversible Vibratory Plate ,25 kN,40cm/16in | BPU 2540 | 5000008954 |
| Floor Saw | BFSX1214 | 5000630101 |
| Vibratory Plate 300mm/12in | VPR1330 | 5000006512 |
| Floor Saws | BFS 614B | 5000009526 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| 50mm/2in Diaphragm Trash Pump | PDI2 | 5000009489 |
| Portable Inverter Generator | GPi3200 | 5000620779, 5000620960, 5000620781 |
| Portable Inverter Generator | GPSi3200 | 5000620780, 5000620961, 5000620936 |
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
| 75mm/3in Diaphragm Trash Pump | PDI3 | 5000009491, 5000009492 |
| Generator GH 3500 | GH3500 | 5000610079 |
| High Frequency Demolitionset | TEH 1 | 5000610241 |
| Floor Saw | BFS 914W | 5100004003 |
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.
