The Wacker Neuson is a genuine OEM Trowel Arm Retainer Screw designed for the CRT and CT series ride-on and walk-behind concrete power trowels. As a direct OEM replacement, is manufactured to the exact specification of the original hardware, ensuring the trowel arm assembly seats and locks correctly every time. This screw fits an extensive range of Wacker Neuson trowel models, including CRT36-25, CRT36-24A, CRT48-25K, CRT48-31V, CRTv36-26A, CT30, CT36, and CT48 series machines in both standard and CE configurations. Ordering by genuine part number confirms you are receiving the correct fastener for your specific machine.
Key Features
- Genuine OEM Fastener Integrity — Manufactured to Wacker Neuson's original thread specification and material grade, so the trowel arm retains secure, consistent clamping force under continuous rotor vibration.
- Drop-In Hardware Replacement — Matches the original thread pitch, head type, and shank dimensions of the factory screw, allowing straightforward removal and reinstallation without chasing threads or sourcing substitutes.
- Broad CRT and CT Series Coverage — Compatible with 30 in., 36 in., and 48 in. ride-on (CRT) and walk-behind (CT) Wacker Neuson concrete trowels, including gas, diesel, electric, and variable-speed variants.
- Trowel Arm Stability Under Load — A correctly torqued retainer screw keeps the trowel arm from shifting during finishing passes; a loose or failed screw allows arm movement that produces uneven surface texture and accelerates blade wear.
- Operational Safety at the Trowel Head — The trowel arm retainer screw is a structural fastener in a rotating assembly; using the correct OEM part maintains the designed clamping load and reduces the risk of arm displacement during operation.
The trowel arm retainer screw secures the finishing or float arm to the spider assembly at the base of a concrete power trowel, holding the arm at the correct pitch angle and preventing lateral movement during operation. When this screw is correctly torqued, each blade follows a consistent arc and delivers a smooth, even finish across the slab. A worn, stripped, or missing retainer screw allows the arm to shift under the centrifugal forces of the spinning rotor, resulting in chatter marks, uneven blade pressure, and premature blade edge wear — signs that are easy to misdiagnose as a blade or pitch-ring problem until the fastener is inspected.
Part Details
| Part Number | 5000073584 |
|---|---|
| Old Part Number | 0073584 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Trowel Arm Retainer Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
| 915mm/36in Ride-On Trowel | CRT36-24A | 5000620080, 5000620299, 5000620801, 5000620802 |
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-23K-H | 5000009083 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-24A-H | 5000009232 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT36-24A-E | 5000009483 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP | 5000007592, 5000007591 |
| 915mm/36in CE Walk-behind Trow el | CT36ADP-E | 5000008034, 5000007697 |
| 1220mm/48in Walk-behind Trowel | CT48AGP | 5000007602, 5000007603 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGP-E | 5000008031, 5000008032 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 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 |
| 1220mm/48in CE Walk-behind Tro wel | CT48AGT-E | 5000007601, 5000008020 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| 1220mm/48in Walk-behind Trowel | CT48AGT | 5000008019, 5000008041 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT-E | 5000007590, 5000008008, 5000008226 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36ADT | 5000008013, 5000008007, 5000008198, 5000008225, 5000009480 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| CRTv 36-26A Trowel, w/Wheel Kit | CRTv36-26A | 5200008544, 5200008545, 5200008546 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVP | 5000009219, 5000009220 |
| 1220mm/48in Variable Speed Wal k-behind Trowel | CT48AVT | 5000009217, 5000009218 |
| 915mm/36in CE Electric Walk-be hind Trowel | CT36EDT | 5000009064 |
| 762mm/30in CE Electric Walk-be hind Trowel | CT30EDT | 5000009063 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 915mm/36in Walk-behind Trowel | CT36BDT-E | 5000008010 |
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.