The Wacker Neuson 5100018826 Spider Hub is a genuine OEM component designed for the CRT48 series ride-on concrete trowels. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. It fits a wide range of CRT48 variants, including the CRT48-35L, CRT48-35V, CRT48-33K, CRT48-33K DF, CRT48-34V, CRT48-57K, CRT48-57K Power Steer, CRT48-37V, and CRT48-37V Power Steer, among others. Verify your machine's model designation before ordering to confirm compatibility.
Key Features
- Genuine OEM Precision — Manufactured to Wacker Neuson's exact dimensional and material tolerances for the CRT48 rotor assembly, ensuring the spider hub seats and engages correctly within the trowel head.
- Direct Rotor Fit — Drops into the CRT48 trowel head assembly as a like-for-like replacement, aligning with the existing rotor arms and drive interface without modification.
- Broad CRT48 Series Compatibility — Confirmed fitment across multiple CRT48 configurations including standard, Power Steer, Dual-Fuel, EU-spec, and Power Steer EU variants of the 48-inch ride-on trowel lineup.
- Consistent Blade Pitch Control — A worn or damaged spider hub causes uneven pitch across the trowel arms, leading to inconsistent finishing results and uneven concrete surface quality; replacing it restores full pitch uniformity.
- Structural Integrity Under Load — The spider hub endures continuous rotational stress during finishing passes; using a genuine OEM unit maintains the structural integrity of the rotor system under sustained operating loads.
The spider hub is a central mechanical component in the rotor head of a ride-on concrete trowel. It connects the rotor arms and controls the pitch angle of the trowel blades, which directly determines how aggressively the machine works the concrete surface. When the spider hub wears, cracks, or becomes damaged, blade pitch becomes inconsistent across the rotor, resulting in uneven finishing, surface defects, and increased operator effort. Replacing a failed spider hub restores proper blade geometry and allows the trowel to deliver a smooth, uniform finish across the full width of the drum.
Part Details
| Part Number | 5100018826 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spider Hub |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| CRT48-33K | CRT48-33K | 5200002353 |
| CRT48-33K | CRT48-33k | 5200002354 |
| CRT48-33K Trowel, Dual-Fuel | CRT48-33K DF | 5200007686, 5200007687 |
| CRT48-35L Trowel | CRT48-35L | 5000620113, 5000620806 |
| CRT48-35L-PS | CRT48-35L-PS | 5000620704 |
| CRT48-35L-PS | CRT48-35L-PS EU | 5000620900 |
| CRT48-35V | CRT48-35V | 5000620112 |
| CRT48-35V | CRT48-35V EU | 5000620807 |
| CRT48-35V, Power Steer | CRT48-35V-PS | 5200016909 |
| CRT48-37V | CRT48-37V EU | 5100024290 |
| CRT48-37V Trowel | CRT48-37V | 5100024209 |
| CRT48-37V Trowel, Power Steer | CRT48-37V-PS | 5100024291 |
| CRT48-57K Trowel | CRT48-57K-MS | 5100018892 |
| CRT48-57K Trowel, Power Steer | CRT48-57k-PS | 5200018779 |
| CRT48-57K-PS | CRT48-57k-PS EU | 5200018820 |
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.