The Wacker Neuson Spring is a genuine OEM component designed for CRT and CT series concrete power trowels, including the CRT48-25K-L, CRT48-25K-H, CRT36-23K-H, CRT36-25K-H, CT36BDT, CT36BDT-E, and CT48BDT. As a direct-from-manufacturer replacement, this spring is produced to the exact specifications Wacker Neuson engineers built into these machines. Sourcing the correct OEM spring ensures consistent tension, proper mechanism engagement, and long-term mechanical integrity across both ride-on and walk-behind trowel configurations.
Key Features
- Genuine OEM Spring Tension Spec — Manufactured to the precise load and deflection characteristics required by Wacker Neuson for correct mechanism operation in CRT and CT trowels.
- Direct Drop-In Replacement — Engineered to seat and connect exactly as the original, with no rework needed to mounting points or adjacent hardware.
- Broad Trowel Family Coverage — Fits both 36 in. and 48 in. ride-on CRT models and walk-behind CT models, making it a practical stocking part for fleets running multiple trowel sizes.
- Sustains Smooth Trowel Mechanism Action — A correctly tensioned spring maintains consistent engagement and return force in the trowel's operating mechanism; a weak or broken spring causes erratic response and accelerated wear on connected components.
- Verified Wacker Neuson Part Number — Part number 5000074252 is cross-referenced directly against Wacker Neuson's OEM parts documentation for CT and CRT series machines.
A spring in a concrete trowel serves as a critical tensioning or return element within the machine's mechanical linkage or control system. It maintains consistent force between moving components, ensuring that levers, arms, or engagement mechanisms return to their correct resting position after each cycle. When a spring stretches, fatigues, or breaks, the affected mechanism loses its calibrated response — leading to inconsistent blade pitch, sluggish control feel, or complete loss of function in the linked assembly. Replacing a worn spring promptly with a correct OEM part restores proper mechanical behavior and protects the surrounding components from the stress caused by an under-tensioned or missing spring.
Part Details
| Part Number | 5000074252 |
|---|---|
| Old Part Number | 0074252 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Low Speed Ride-On Trowel | CRT48-25K-L | 5000009084 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-25K-H | 5000009085 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-23K-H | 5000009083 |
| 915mm/36in Ride-On High Speed Trowel | CRT36-25K-H | 5000620027 |
| 915mm/36in Walk-behind Trowel | CT36BDT | 5000008009 |
| 1220mm/48in Walk-behind Trowel | CT48BDT | 5000008017 |
| 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.
