The Wacker Neuson Alternator is a genuine OEM charging component designed for the CRT48-31V series ride-on concrete trowels, including the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES models. As a direct OEM replacement, part number is manufactured to the exact electrical output and mounting specifications of the original unit — no guesswork on compatibility. This alternator ships as a tested, ready-to-install component, keeping your CRT48 trowel's electrical system operating at the output levels the machine demands.
Key Features
- Correct Electrical Output Rating — Matched to the CRT48-31V series' charging system requirements, ensuring the battery and onboard electronics receive the proper voltage and current under load.
- Genuine OEM Component — Sourced directly from Wacker Neuson; identical in construction and specification to the alternator originally installed at the factory.
- Broad CRT48-31V Series Coverage — Confirmed fitment across the CRT48-31V, CRT48-31V-H, CRT48-31V-E, CRT48-31V-ES-E, and CRT48-31V-ES ride-on trowel variants.
- Charging System Integrity — A functioning alternator keeps the battery charged during operation; a failing unit leads to electrical faults, dead batteries, and unplanned machine shutdowns mid-pour.
- Electrical Safety Assurance — Proper alternator output prevents overcharging and voltage fluctuations that can damage sensitive electronic steering and control components on the CRT48-31V-ES variants.
- Direct-Mount Installation — Retains the original bolt pattern and connector interface of the CRT48-31V series, allowing a straightforward swap without bracket modifications or wiring adaptation.
The alternator is the engine-driven generator that keeps a machine's battery charged and supplies electrical power to all onboard systems while the engine is running. On a ride-on concrete trowel like the CRT48-31V series, reliable alternator output is critical — the machine's electronic controls, ignition system, and on models with electronic steering, the steering actuators, all depend on a steady supply of regulated voltage. When an alternator begins to fail, symptoms typically include a draining battery, warning lights, erratic electrical behavior, and ultimately a machine that won't start or hold a charge through a full finishing shift.
Part Details
| Part Number | 5000158278 |
|---|---|
| Old Part Number | 0158278 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Alternator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-31V | 5000620476 |
| 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.
