The Wacker Neuson Battery, 12V 74Ah is a genuine OEM battery designed for PT6Y and PT6YT series pumps, including PT6Y-AU and PT6YT-IN variants. As a direct OEM replacement, this battery is sourced and specified by Wacker Neuson to meet the exact electrical demands of these machines, ensuring correct terminal configuration and capacity from day one. It is confirmed compatible across multiple PT6Y configurations, covering EPA Tier 4 variants as well as standard and regional pump models. If your pump is struggling to start or failing to hold a charge, this is the correct OEM-specified replacement to restore full engine starting performance.
Key Features
- OEM-Rated Capacity: — Sourced directly from Wacker Neuson at the specified 12V 74Ah output — matched to the exact cranking and reserve demands of PT6Y series pump engines.
- Direct-Fit Terminal Layout: — Terminals are positioned to align with the factory battery tray and cable routing on PT6Y and PT6YT pumps, allowing a straightforward swap with no cable stretching or adapter brackets.
- Broad PT6Y Series Coverage: — Fits PT6Y, PT6YT, PT6Y-AU, PT6YT-IN, and PT6Y EPA Tier 4 models, making this a single correct part across the PT6Y pump family.
- Dependable Engine Start Performance: — A correctly specified battery delivers consistent cold-cranking power to the pump engine. An undersized or worn battery leads to slow cranking, hard starts, and failed ignition sequences in the field.
- Electrical System Integrity: — Running a pump with a failing or incorrect battery can stress the alternator and onboard charging circuit. Using the OEM-specified 5100058769 protects the broader electrical system from compensating for inadequate power supply.
The battery in a diesel-powered pump serves as the primary power source for engine starting and supports the machine's electrical system — including controls, solenoids, and any onboard monitoring. A healthy, correctly rated battery delivers the burst of cranking current needed to turn over the engine reliably, then recharges during operation via the alternator. When a battery degrades below its rated capacity, starting becomes sluggish or fails entirely, and the pump may cut out unexpectedly if the electrical load exceeds what the weakened battery can sustain. Replacing it with the correct OEM-specified unit restores full starting capability and stable electrical operation.
Part Details
| Part Number | 5100058769 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Battery, 12V 74Ah |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.