The Wacker Neuson Starter Motor is a genuine OEM component designed for CRT48 and CT48 series concrete power trowels, including ride-on and walk-behind configurations. As a direct OEM replacement, this starter motor is manufactured to the same specifications as the original unit installed at the factory, ensuring a correct fit within the engine starting circuit of your trowel. Compatible models include the CRT48-34V, CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, CRT48-31V-ES-E, and CT48-13A-V, covering a broad range of 48-inch ride-on and walk-behind trowel variants. Choosing the correct OEM starter motor for part number eliminates guesswork and keeps your finishing equipment operational without unnecessary delays.
Key Features
- Correct Cranking Output: — Matched to the engine's starter circuit requirements on CRT48 and CT48 trowels, delivering the torque needed to spin the engine over reliably in all operating conditions.
- Genuine OEM Construction: — Sourced directly from Wacker Neuson, this starter motor meets the original electrical and mechanical specifications — same mounting configuration, terminal layout, and drive gear engagement as the unit it replaces.
- Broad CRT48 and CT48 Compatibility: — Fits CRT48-34V, CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES, CRT48-31V-ES-E, and CT48-13A-V models, covering multiple production runs of Wacker Neuson's 48-inch trowel lineup.
- Protects the Electrical System: — A properly functioning starter motor draws current within design limits, preventing excessive load on the battery and wiring harness that a worn or failing motor can cause.
- Drop-In Replacement: — Mounts directly to the existing engine block attachment points with no reworking of brackets or wiring connections required.
- Safe Engine Starting: — A correctly specified starter motor engages and disengages the ring gear cleanly, preventing the gear damage and uncontrolled engagement risks associated with an undersized or incompatible unit.
The starter motor is the component responsible for cranking the engine each time the trowel is started. When the operator turns the ignition key, the starter motor draws power from the battery to spin the engine's flywheel ring gear, building enough rotational speed for the engine to fire and run independently. A worn or failed starter motor can result in slow cranking, failure to engage the ring gear, or a complete no-start condition — leaving a concrete finishing crew unable to begin work. Replacing a faulty starter motor with a correct OEM unit restores reliable engine starts and prevents secondary wear to the flywheel ring gear caused by a motor that engages poorly.
Part Details
| Part Number | 5000158258 |
|---|---|
| Old Part Number | 0158258 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Starter Motor |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| 1220mm/48in High Speed Ride-On Trowel | CRT48-31V-H | 5000009086 |
| Ride-on Trowel | CRT48-31V-E | 5000009481 |
| Ride-on Trowel | CRT48-31V-ES-E | 5000009482 |
| 1220mm/48in Ride-on Trowel, El ectronic Steering | CRT48-31V-ES | 5000009216 |
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.