The Wacker Neuson Left H.D. Gearbox is a genuine OEM component designed for the CRT46KHN and CRT46KHO ride-on concrete trowels. As a direct factory replacement, this gearbox is built to the exact specifications required to keep your CRT46 series trowel operating at full capacity. Sourcing a genuine OEM part means you get the correct gear ratios, housing tolerances, and load ratings without any guesswork. Confirm your model number — CRT46KHN or CRT46KHO — before ordering to ensure a correct match.
Key Features
- Genuine OEM Gear Tolerancing — Manufactured to Wacker Neuson's exact specifications, ensuring correct gear mesh, load capacity, and output torque for heavy-duty troweling applications.
- Left-Side Direct Replacement — Engineered as a drop-in replacement for the left-hand gearbox position on CRT46 series ride-on trowels, connecting directly to the existing drivetrain without improvised adaptation.
- Confirmed CRT46 Series Fitment — Verified compatible with the CRT46KHN and CRT46KHO ride-on concrete power trowel models.
- Heavy-Duty Construction — The H.D. designation reflects reinforced internal components built to withstand the continuous rotational loads and vibration demands of commercial concrete finishing work.
- Protects Trowel Rotor Performance — A worn or failed gearbox causes uneven rotor speed, inconsistent blade pitch response, and poor surface finish quality; replacing it restores full finishing control.
The gearbox on a ride-on concrete trowel transfers power from the engine to the rotor assembly, driving the spinning trowel blades that finish and densify the concrete surface. On CRT46 models, the left-side gearbox works in tandem with the right-side unit to maintain balanced rotor speed and blade pressure across the slab. When a gearbox wears out or fails, operators typically notice vibration, noise, erratic blade behavior, or a complete loss of drive to one rotor — all of which compromise the quality of the concrete finish and can force a work stoppage mid-pour.
Part Details
| Part Number | 5000088088 |
|---|---|
| Old Part Number | 0088088 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Left H.D. Gearbox |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CRT46KHN | CRT46KHN | 5000007515 |
| CRT46KHO | CRT46KHO | 5000007641 |
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.
