Wacker Neuson 5000160973 Gearbox Assembly Kit Left Hand CRT

The Wacker Neuson is a genuine OEM Gearbox Assembly Kit Left Hand CRT designed for the CRT48-31V series ride-on concrete trowels. This factory-sourced assembly ships as a complete left-hand gearbox kit, giving you everything needed for a full service replacement in one part number. Confirmed fitment covers the CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES models, including both high-speed and electronic steering variants. As a genuine Wacker Neuson component, part is produced to the same tolerances as the original unit installed at the factory.

Key Features

• Complete Left-Hand Gearbox Kit: — Supplied as a full assembly for the left-hand rotor position, eliminating the need to source individual internal components separately.
• Genuine OEM Construction: — Manufactured to Wacker Neuson's own gear mesh and housing tolerances, ensuring correct torque transfer and rotor blade speed across the full operating range of the trowel.
• Broad CRT48-31V Coverage: — Compatible with the CRT48-31V-H high-speed, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES electronic steering ride-on trowel variants.
• Proper Blade Pitch and Rotation: — A correctly functioning left-hand gearbox maintains synchronized rotor speed and blade pitch response; a worn or failed unit causes uneven finishing passes and accelerated blade wear.
• Direct Bolt-In Replacement: — Engineered to the original mounting pattern and shaft interface of the CRT48-31V platform, so the assembly installs into the existing gearbox position without modification.

The gearbox assembly on a ride-on concrete trowel transfers power from the drive motor to the rotor blades, controlling both the rotational speed and the pitch that determines how aggressively the blades work the concrete surface. On a dual-rotor machine like the CRT48-31V, the left-hand and right-hand gearboxes work in opposition to keep the machine tracking straight while delivering consistent finishing pressure across the full 48-inch working width. When a gearbox wears or fails, rotor speed becomes uneven, blade pitch control is compromised, and the operator loses the ability to achieve a consistent surface finish — making prompt replacement critical to keeping concrete work on schedule.

Part Details

Compatibility & Fitment

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.