Hipower Systems · HFW Series (Stationary Diesel)

Hipower HFW-300

300 kW standby · Diesel · Liquid-cooled

300 kW standby diesel generator with FPT C13 12.9L inline-6 engine and Stamford alternator. EPA Tier 4 Final. US manufactured in Olathe, Kansas.

Hipower Systems Hipower HFW-300 generator — specifications and details
Standby power
300 kW
Voltage options
120/208V, 277/480V, 347/600V
Frequency / Phase
60 Hz · 3-phase
Engine
FPT Industrial C13 · 12.9L
EPA / Emissions
Tier 4 Final
Alternator
Stamford S4L1D

Overview#

The Hipower HFW-300 is a 300 kW stationary standby diesel generator powered by the FPT Industrial C13 engine — a 12.9-liter turbocharged inline-6 — paired with a Stamford alternator. Built at Hipower's Olathe, Kansas facility, the HFW-300 marks the transition to FPT's largest stationary inline-6 engine family, providing substantial displacement headroom for reliable 300 kW standby service. The unit carries EPA Tier 4 Final certification and targets mission-critical applications — data center campuses, hospital facilities, large industrial plants, and multi-building commercial complexes — where 300 kW of three-phase power with rigorous emissions compliance is required.

FPT Industrial Engine Platform#

The C13 is a 12.9-liter turbocharged inline-6 manufactured by FPT Industrial (CNH Industrial). It is FPT's heavy-duty inline-6 platform, deployed across commercial truck, bus, and power generation markets worldwide. At 300 kW standby, the C13 is operating well within its rated envelope, with considerable displacement reserve that benefits cold-start reliability and long-term component life — the engine is simply not working as hard per unit of displacement as smaller-bore alternatives at equivalent output.

FPT's Tier 4 Final aftertreatment for the C13 employs SCR for NOx control and DPF for particulate management. These are factory-integrated, EPA-certified systems — not retrofitted aftertreatment — which means the HFW-300 arrives with the documentation needed for California CARB district permit applications. The combined SCR+DPF system achieves the NOx and PM limits that California's South Coast and Bay Area air districts require for new stationary diesel engine permits.

FPT's North American commercial engine dealer network serves the C13 platform directly. Unlike smaller engine families where the agricultural dealer channel provides secondary parts coverage, the C13's commercial truck heritage means FPT dealer coverage is concentrated in commercial vehicle and industrial markets — areas well-represented in California's major urban and port regions.

Hipower Design Advantages#

The HFW-300 is built to NFPA 110 Level I/II compliance, supporting the most demanding life-safety classifications for hospitals, emergency response centers, and essential government facilities. Three-phase output at 120/208V, 277/480V, and 347/600V covers the full range of industrial and commercial distribution configurations in North America.

Sound attenuation through Level 2 enclosures meets the requirements of California's strictest urban noise ordinances. IBC seismic certification as an option makes the HFW-300 compliant with California OSHPD and DSA requirements for hospital and government critical facility projects. Optional paralleling via DSE8610 controller is particularly valuable at 300 kW — two units in parallel deliver 600 kW with N+1 redundancy at lower cost per kW than a single 600 kW generator.

Service and Maintenance#

The FPT C13's generous 12.9-liter displacement at 300 kW means the engine runs comfortably within its thermal design envelope, which is favorable for interval compliance. The 500-hour or 12-month oil change schedule applies, and the displacement headroom means the 12-month calendar trigger is often the relevant control for installations that don't approach 500 hours annually.

Annual load bank testing to full 300 kW output is essential for mission-critical standby. At this output level, the consequences of undetected performance degradation — whether from fuel system issues, turbocharger wear, or alternator problems — are operationally significant. A full-load test documents that the HFW-300 can carry its rated output for the sustained periods required during extended outages.

Fuel quality management remains the leading preventive maintenance discipline. Annual fuel polishing, water separator replacement, and biocide treatment are standard for 300 kW standby units in California's varying climate conditions.

Our Service Experience#

OnPoint Generators services HFW-300 units across the Bay Area and Northern California, including large data center and healthcare accounts where 300 kW standby reliability is a business continuity requirement. FPT C13 parts support through FPT Industrial's commercial engine dealer network provides our field technicians with efficient access to engine-specific components. EPA Tier 4 Final certification enables new HFW-300 installations to proceed through California's ATC and PTO process without the exemption complexity of older Tier 3 equipment, and OnPoint provides full NFPA 110, OSHPD, and seismic permit documentation packages for qualified commercial and industrial projects.

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Estimated runtime

12.3 hours(0.5 days)

Fuel consumption ≈ 16.20 GPH at 75% load. Estimate based on industry-typical 1800 RPM standby curves (≈0.07 GPH/kW at full load). Actual consumption varies by engine, ambient temperature, fuel quality, and tuning.

Service intervals

Manufacturer-recommended intervals for the Hipower HFW-300 under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter
Every 500 hours or 12 months
Air filter
Every 500 hours
Fuel filter
Every 500 hours
Major overhaul
20,000 hours

Common failure modes

What we've seen fail on this platform. Use as a service-planning reference, not a diagnostic — actual failure modes depend heavily on duty cycle and maintenance history.

ComponentSymptomTypical hoursSeverity
FPT fuel injectorsCombustion roughness and smoke at high loads — clean or replace at 10,000 hours10,000+moderate
Coolant systemFreeze plug corrosion in extended standby — inspect during annual service8,760+minor
Starting batteryCapacity loss in standby — float charge and test annually4,380+minor

Frequently Asked Questions

What is the standby vs prime power rating of the HFW-300?
The HFW-300 is rated 300 kW standby. At 300 kW, the FPT C13 engine provides substantial displacement headroom, making this unit well-suited for applications that may see occasional loads approaching the rated capacity. Contact OnPoint for prime or continuous duty load analysis.
What engine does the HFW-300 use?
The HFW-300 uses an FPT Industrial C13 engine — a 12.9-liter turbocharged inline-6 diesel from CNH Industrial's FPT division. The C13 is FPT's heavy-duty inline-6 platform, used across truck, bus, and power generation applications, with a significantly larger displacement than the C87 that powers the 180–250 kW HFW models.
Is the HFW-300 EPA Tier 4 Final compliant for California?
Yes. The HFW series is EPA Tier 4 Final certified as current production, meeting CARB requirements for new stationary diesel standby generator installations in all California air districts.
What are the service intervals for the HFW-300?
Oil changes every 500 hours or 12 months. Air and fuel filters at 500-hour intervals. The FPT C13 supports 20,000-hour major overhaul intervals under standby duty. At 300 kW the C13 has generous displacement reserve, which is favorable for long-term engine health.
How does the HFW-300 compare to a Generac or Kohler at 300 kW?
The HFW-300 competes with Generac SG300 or Kohler 300REOZJF. The FPT C13's 12.9-liter displacement gives it more engine per kW of output than some competitors at this class — a factor that benefits cold-start reliability and long-term engine longevity. Hipower's IBC seismic certification and UL 2200 listing simplify California permit documentation.
Who services HFW generators in Northern California?
OnPoint Generators services HFW units throughout the Bay Area and Northern California. FPT C13 parts are available through FPT Industrial's dealer network, which serves commercial vehicle, bus, and power generation markets across California.
What controller does the HFW-300 use?
The HFW-300 ships with a DSE (Deep Sea Electronics) controller. At 300 kW, parallel operation via DSE8610 is a practical design consideration — two HFW-300 units in parallel deliver 600 kW with N+1 redundancy, which is a cost-effective configuration for data center and critical facility applications.

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