The Wacker Neuson 5100043478 is a genuine OEM Battery Charger designed for the G-series portable and skid-mounted mobile generators and LTW-series light towers. As a factory-sourced component, the 5100043478 is built to the exact electrical specifications required by Wacker Neuson power generation equipment, ensuring correct charging output and compatibility across a wide range of configurations. This part fits an extensive range of G-series generator models — including G25, G50, G70, G85, G100, G120, G125, G150, G180, and G240 variants — as well as LTW6K, LTW8K, LTW20Z1, and LTW20Z3 light tower configurations. Sourcing the correct OEM Battery Charger is essential to protect the generator's starting battery and avoid premature failure in demanding site conditions.
Key Features
- Correct Charging Output Specification — Engineered to deliver the exact voltage and charge rate required by Wacker Neuson G-series and LTW-series onboard battery systems, preventing undercharging or overcharging damage.
- Genuine OEM Component — Sourced directly from Wacker Neuson, this Battery Charger meets the same electrical tolerances as the unit installed at the factory, with no substitutions or approximations.
- Direct Replacement Fit — Designed to install into the existing charger mounting position and connect to the machine's existing wiring harness, matching the original connector and charge circuit configuration.
- Broad Model Coverage — A single part number covers G25 through G240 generator variants and LTW6K, LTW8K, LTW20Z1, and LTW20Z3 light towers across standard, cold weather, custom, and extended run tank configurations.
- Protects Starting Battery Life — A properly functioning charger keeps the generator's battery at full capacity between uses, ensuring reliable engine start-up when power is needed on site.
- Electrical Safety Compliance — Using the correct OEM-specified charger reduces the risk of overcharge conditions, heat buildup, and electrical faults that can result from mismatched aftermarket substitutes in power generation equipment.
The battery charger in a portable or skid-mounted generator maintains the starting battery at a proper state of charge whenever the machine is connected to shore power or running in a standby condition. Without a functioning charger, the battery slowly discharges during storage or between uses, leading to hard-start or no-start conditions when the generator is needed most. A failed or mismatched charger can also overcharge the battery, shortening its service life and introducing risk of electrolyte loss or, in extreme cases, electrical faults within the generator's control system.
Part Details
| Part Number | 5100043478 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Battery Charger |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator, Custom | G70 | 5000620352, 5000009468, 5000620648, 5000620711, 5000620646, 5200001318, 5200006879, 5200003220, 5200003975, 5200014464, 5000620002, 5200008344, 5200008343, 5200008342, 5200008339, 5200008719, 5200008341, 5100025262, 5100025838, 5100025814 |
| Skid-mounted Mobile Generator | G50 | 5000009467, 5200001062, 5200006878, 5200001063, 5200001317, 5200001061, 5000620001, 5200022589, 5100042434, 5100042435, 5000620710, 5000620964, 5000620966, 5000620965, 5100029210, 5100025812, 5100026956, 5100026955 |
| Mobile Generator, Custom | G25 | 5000620346, 5000009466, 5200003991, 5200009372, 5200009375, 5000621005, 5200022587, 5100041584, 5100041592, 5100045542, 5100041582 |
| Mobile Generator | G85 | 5000009459, 5000620003 |
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620292, 5000620654, 5200001320, 5200006901, 5200003856, 5200014467, 5000620311, 5200008353, 5200008351, 5100025818, 5100025840 |
| Mobile Generator (custom) | G160 | 5000620069 |
| LTW20Z-1, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z1 | 5000620842, 5200004205, 5200004096, 5100051572, 5100051571, 5200018239, 5200014326, 5200024872, 5200023191, 5200014328 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5200001319, 5200006900, 5200003859, 5000620314, 5200008348, 5200008347, 5100025816, 5100029211, 5100026958 |
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620308, 5200025554, 5100026981, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620305, 5200014470, 5200025555, 5100025842, 5100025832 |
| LTW20Z-3, LIGHT TOWER 60Hz, ISUZU, CUSTOM, T4i | LTW20Z3 | 5000620843, 5200003583, 5200004097, 5200023192, 5200023604, 5200014327, 5200014329 |
| Mobile Generators | G240 | 5200001323, 5200006904, 5000620302, 5200025556 |
| LTW8K Light Tower, Custom T4 | LTW8K | 5000620841, 5200004204, 5200004095, 5200023190, 5200024871 |
| LTW6K Light Tower, Custom T4 | LTW6K | 5000620840, 5200004094, 5200024870 |
| Mobile Generator (custom) | G125 | 5000620067 |
| Light Tower | LTW20Z3-V | 5200012881, 5200012885, 5200022694 |
| LTW20Z3-V S LIGHT TOWER,CUSTOM, TIER 4i | LTW20Z3-V S | 5200018562 |
| LTW20Z1-V S LIGHT TOWER,CUSTOM, TIER 4i | LTW20Z1-V S | 5200018561 |
| LTW8K-V S Light Tower, Custom T4 | LTW8K-V S | 5200018560 |
| LTW8K-V Light Tower, Cold Weather T4 | LTW8K-V | 5200012883, 5200012869 |
| Light Tower | LTW6K-V | 5200012868, 5200012882 |
| Light Tower | LTW20Z1-V | 5200012880, 5200012884 |
| LTW6K-V S Light Tower, Custom T4 | LTW6K-V S | 5200018559 |
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.