The Wacker Neuson Spider Hub CRT48 is a genuine OEM component designed for the CRT48 series ride-on power trowels, including the CRT48-35L, CRT48-35V, CRT48-33K, CRT48-34V, CRT48-37V, and CRT48-57K model families. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original component it replaces, ensuring correct fit and function without guesswork. This spider hub services a wide range of CRT48 configurations, including Power Steer, Dual-Fuel, and EU variants, making it a versatile stock item for contractors running mixed fleets of Wacker Neuson ride-on trowels.
Key Features
- OEM-Grade Structural Integrity — Cast and machined to original dimensional tolerances, ensuring the spider hub transmits rotor arm loads without flex, play, or premature fatigue cracking.
- Direct Drop-In Replacement — Matches the original mounting pattern and interface geometry of the CRT48 rotor assembly, so installation follows the standard service procedure without modification.
- Broad CRT48 Series Coverage — A single part number covers CRT48-35L, CRT48-35V, CRT48-33K, CRT48-34V, CRT48-37V, CRT48-57K, plus Power Steer, Dual-Fuel, and EU variants.
- Smooth, Even Blade Rotation — A correctly functioning spider hub keeps all finishing blades tracking in a true, balanced plane — a worn or cracked hub causes uneven blade engagement and poor surface finish on the slab.
- Genuine Wacker Neuson Part — Supplied as an authorized OEM component under part number 5100018826, backed by Wacker Neuson's parts program for traceability and quality assurance.
The spider hub sits at the center of a ride-on trowel's rotor assembly, acting as the mechanical interface between the gearbox output and the individual finishing blade arms. It distributes rotational force evenly across all rotor arms, keeping each blade at the correct pitch and in balanced contact with the concrete surface. When a spider hub wears, cracks, or develops play, blade tracking becomes inconsistent, resulting in chatter marks, uneven surface finish, and increased stress on surrounding drivetrain components.
Part Details
| Part Number | 5100018826 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spider Hub CRT48 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CRT48-35L Trowel | CRT48-35L | 5000620113, 5000620806 |
| CRT48-35V | CRT48-35V | 5000620112 |
| CRT48-35V | CRT48-35V EU | 5000620807 |
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| CRT48-35L-PS | CRT48-35L-PS | 5000620704 |
| CRT48-35L-PS | CRT48-35L-PS EU | 5000620900 |
| CRT48-33K | CRT48-33K | 5200002353 |
| CRT48-33K Trowel, Dual-Fuel | CRT48-33K DF | 5200007686, 5200007687 |
| CRT48-33K | CRT48-33k | 5200002354 |
| CRT48-57K Trowel, Power Steer | CRT48-57k-PS | 5200018779 |
| CRT48-37V Trowel | CRT48-37V | 5100024209 |
| CRT48-57K Trowel | CRT48-57K-MS | 5100018892 |
| CRT48-37V Trowel, Power Steer | CRT48-37V-PS | 5100024291 |
| CRT48-57K-PS | CRT48-57k-PS EU | 5200018820 |
| CRT48-35V, Power Steer | CRT48-35V-PS | 5200016909 |
| CRT48-37V | CRT48-37V EU | 5100024290 |
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.
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