The Wacker Neuson Shim.020 Thick, Yellow is a genuine OEM shim designed for the CT30, CT36, and CT48 series walk-behind concrete power trowels. Sourced directly from Wacker Neuson, this part meets the exact dimensional and material specifications of the original component. It fits an extensive range of CT series models including gasoline, diesel, electric, and variable-speed configurations in both standard and CE variants. Confirming your machine's model number before ordering ensures a correct, direct-fit installation.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to Wacker Neuson's exact .020-inch thickness specification, ensuring the shim delivers the correct mechanical clearance without guesswork or hand-fitting.
- Color-Coded for Fast Identification — Yellow color coding matches Wacker Neuson's OEM shim system, making it straightforward to select and verify the correct thickness during trowel assembly or adjustment.
- Broad CT Series Compatibility — Fits CT30, CT36, and CT48 walk-behind trowel models across gasoline, diesel, electric, and variable-speed variants, including CE-certified configurations.
- Supports Precise Blade Spider Adjustment — Correct shim thickness is critical to maintaining proper blade pitch geometry; using the right shim keeps blade angle consistent across all arms and prevents uneven concrete finishing.
- Direct OEM Replacement — Drops into the existing assembly position with no reworking of surrounding components, maintaining the trowel's original engineering tolerances.
A shim in a walk-behind concrete trowel is a thin, precision-ground spacer used to set and maintain the correct mechanical clearance or blade pitch within the rotor and spider assembly. By controlling this spacing to an exact measurement — in this case .020 inches — the shim ensures each trowel blade sits at the proper angle relative to the concrete surface, which directly affects finish quality and machine balance. When a shim wears, deforms, or goes missing, blade pitch becomes inconsistent across the rotor, leading to uneven finishing passes, increased operator fatigue, and accelerated wear on surrounding components.
Part Details
| Part Number | 5000078830 |
|---|---|
| Old Part Number | 0078830 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Shim .020 Thick, Yellow |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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, 5000008199 |
| 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 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 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 |
| 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.
