Wacker Neuson - G25 GENERATOR
5100041582
Categories
Power ,Mobile Generators
Product Details
Wacker Neuson G25 Generator
The Wacker Neuson G25 is a mobile diesel generator designed for delivering reliable, quiet, and durable power in industrial, construction, commercial, and emergency backup applications. With both prime and standby power ratings, sound-attenuated enclosures, and multiple voltage options, it’s built to meet rigorous demands while maintaining ease of use and serviceability.
Key Specifications & Technical Data
Here are the important specs for the G25 Generator: prime power, standby power, capacity, sizing, etc:
| Specification | Value |
|---|---|
| Prime Power Output | ~ 20.0 kW |
| Standby Power Output | ~ 22.0 kW |
| Engine Manufacturer | Isuzu or Kohler (varies by version) Tier 4F compliant engines. |
| Fuel Type | Diesel (ULSD #1/#2) |
| Fuel Tank Capacity | ~ 58.4 gallons (≈ 220+ liters) in base or extended run configurations. |
| Runtime (at Prime Load) | ~ 28.2 hours at 100% prime load (skid base) ‒ extended run versions similar. |
| Voltage Options | Multiple voltages for 3-phase and single phase loads. Typical 3-phase: 208, 240, 480 V; single-phase 120/240 V etc. |
| Current Ratings (Prime Load) | For 3 phase: ~ 58/29 A (depending on voltage); for single phase: ~120/240 A in relevant voltage config. |
| Dimensions (Skid Mount) | Operating (Skid): approx 76.6 in × 35 in × 44.5 in (L × W × H) |
| Weights | Dry skid weight ~ 1,950-2,000 lb; operating skid ~2,300-2,400 lb; higher when trailer mounted. |
| Sound Level | Around 65 dB(A) at ~7 m distance (or ~23 ft) under prime load. |
Key Features & Design Highlights
What makes the G25 stand out in its class:
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Sound-attenuated enclosure for quieter operation suitable for job sites, commercial work, or events.
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Brushless oversized alternators with separate excitation winding and Automatic Voltage Regulation (AVR). These features help with motor starts and non-linear loads.
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Digital controller & monitoring: LCD display for operating data, fuel levels, alarms, fault codes, scheduled maintenance reminders.
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Remote start capability standard (and optional remote monitoring / telematics) for standby or site power applications.
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Cold weather/extended-run options: block heater, fuel filter heater, optional trailer packages, extended fuel tanks.
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Ease of service: Single-side serviceability, access panels, containment for fluids in case of leaks, etc.
Applications & Use Cases
The G25 is versatile and suitable for many scenarios:
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Construction sites where single or three-phase power is needed for concrete mixers, welders, lighting towers, etc.
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Commercial or industrial sites requiring standby power during outages.
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Special events (concerts, fairs, outdoor gatherings) where reliable, quiet power is essential.
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Rental fleets that need a generator that balances power, durability, and ease of transport.
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Remote job sites where long run times reduce refueling frequency.
Benefits
Why choosing the G25 is beneficial:
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Reliable Prime and Standby Power – Offers solid 20 kW prime output, enough for many medium sized loads.
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Long Run Times – With a large fuel tank (~58.4 gallons), the unit can run many hours at full load, reducing downtime.
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Flexible Voltage & Phase Options – Useful when different tools or machines with different voltage needs are used on site.
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Tier 4F / Emissions Compliance – Meets strict emissions regs, especially important for contractors working in regulated jurisdictions.
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Quiet Operation & Sound Attenuation – Better for urban or noise-sensitive areas.
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Good Support & Serviceability – Access panels, remote start, manufacturer support help in maintenance and uptime.
Comparisons & What to Know
Here are some comparisons and trade-offs to keep in mind:
| What to Compare | G25 vs Smaller Generators | G25 vs Larger Generators |
|---|---|---|
| Portability | G25 is fairly weighty (≈2,300-2,400 lb operating), but skid or trailer options help. Smaller gensets are lighter, easier to move manually. | Larger units deliver more power but cost more, are heavier, consume more fuel. G25 hits a mid-power sweet spot. |
| Fuel Efficiency | At prime loads G25 is reasonably efficient (≈ 1.8 gal/h at full load) per spec sheets. Smaller gensets might be more efficient for low load, but overhead costs then matter. | Larger gensets will consume more fuel, but amortized over large loads can make sense depending on usage. |
| Versatility | G25 supports single & three-phase, good for mixed loads. | Bigger gensets may support higher voltages, more phase flexibility; but with added cost and complexity. |
| Cost | Upfront cost is significant, but investment in durability and run time helps pay off. | Larger units increase cost, transport, maintenance more steeply. |
Maintenance Tips & Best Practices
To get maximum service life from a G25:
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Regularly check and replace oil and filters per schedule. Clean fuel and good diesel are essential.
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Keep air filter clean—clogged filters reduce performance & can cause overheating.
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Ensure cooling system (radiator, hoses, coolant level) are well-maintained to prevent heat issues especially under prime load usage.
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Check alternator and voltage regulation periodically, especially if operating varied loads.
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Use remote start and shutdown features properly; avoid frequent starts/stops under heavy load without allowing cool down.
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Store properly if unit is idle (winterize, protect exposed components, maintain battery).
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Monitor fluid containment, service panels, emergency stop, and safety features to ensure compliance and safe operation.
FAQs
Q: What’s the difference between prime power and standby power?
A: Prime power refers to continuous operation under variable loads (common for regular usage), while standby power refers to emergency or backup operation (usually higher rating, but not intended for continuous full-load operation). The G25’s prime rating is ~20 kW, standby ~22 kW.
Q: What emissions standard does the engine meet?
A: It meets the Tier 4F (or equivalent) standard in many variants. This ensures reduced emissions of NOx, particulates, etc.
Q: What run time can I expect?
A: At 100% prime load, about 28.2 hours on full fuel tank in skid configuration. Extended-run tanks or lower loads will increase this.
Q: Is the G25 good for outdoor use in cold weather?
A: Yes—cold weather options are available (block heater, fuel filter heater, battery charger), which makes starting easier in low temps.
Q: Can the G25 handle non-linear loads or motor starts?
A: Yes. The brushless alternator with separate excitation winding and AVR allows for stable voltage under motor starts and non-linear loads.
Q: What are the noise levels?
A: Sound level around 65 dB(A) at ~7 m (≈ 23 ft) under prime load. This is relatively quiet for this size.
Summary – Is the G25 Right for Your Needs?
If you're weighing options and the power you need is in the ~20-22 kW range, the G25 is a strong candidate. It offers a good mix of reliability, long run time, multiple voltage options, sound attenuation, and emissions compliance. It’s particularly appealing for:
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Contractors needing reliable, mixed load power (lights + tools + temporary site power)
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Rental fleets needing a durable genset with versatility
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Event power or temporary power supply situations
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Standby or emergency backup at remote sites
If your usage regularly exceeds 20-25 kW, or if you frequently run large inductive or motor loads, then looking at the next model up (e.g. G35 or G50) might make sense. Also, consider transport logistics — the G25 is large and heavy.