The Wacker Neuson 5100044008 Battery is a genuine OEM Battery designed for RD12 and RD12A series tandem rollers and CRT36-26A and CRTv36-26A series ride-on concrete trowels. As a direct OEM part sourced through authorized Wacker Neuson supply channels, the 5100044008 is built to the exact electrical specifications required by these machines. Confirmed fitment includes RD12-90, RD12A-90, CRT36-26A, and CRTv36-26A models across multiple configurations including foldable ROPS, solid ROPS, and wheel kit variants. Replacing a weak or failed battery with the correct OEM unit ensures your machine starts and operates as intended without electrical system complications.
Key Features
- Correct Voltage and Capacity Rating — Matched to the precise electrical draw requirements of the RD12/RD12A tandem roller and CRT36-26A/CRTv36-26A ride-on trowel, preventing undercharge conditions and starter strain.
- Genuine OEM Part — Sourced directly from Wacker Neuson; the 5100044008 meets the original equipment specification for terminal configuration, footprint, and output — no adapting or improvising required.
- Broad Confirmed Fitment — Compatible across RD12-90, RD12A-90, CRT36-26A, and CRTv36-26A variants, including foldable ROPS, solid ROPS, standard, and wheel kit configurations.
- Dependable Cold Cranking Performance — A correctly spec'd battery delivers consistent cranking power so your roller or trowel starts promptly under demanding jobsite conditions.
- Electrical System Protection — Using an incorrectly rated battery can stress the charging circuit and onboard electronics; the OEM 5100044008 keeps voltage supply within the designed operating range.
The battery is the electrical foundation of the machine's starting system and onboard power supply. It stores and delivers the charge needed to crank the engine and sustain low-load electrical functions when the alternator or charging system is not actively supplying current. A battery that has degraded in capacity or failed entirely will prevent the machine from starting, cause erratic electrical behavior, and can place added strain on the charging circuit over time. Replacing it with the correct OEM unit restores full system function and protects the surrounding electrical components.
Part Details
| Part Number | 5100044008 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Battery |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| RD12-90 Tandem Roller, Foldable ROPS | RD12-90 | 5000620321, 5000620059 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| CRTv 36-26A Trowel | CRTv36-26A | 5200008545, 5200008544, 5200008546 |
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.