Gillette · PR Series (Prime Gas)

Gillette PR-1300

130 kW standby · Natural Gas · Liquid-cooled

130 kW prime-rated natural gas generator. PSI 8.1L I6 turbocharged, Stamford UCI274F alternator, DSE 7420 MKII. Continuous duty. Made in USA.

Gillette Gillette PR-1300 generator — specifications and details
Standby power
130 kW / 130 kW prime
Voltage options
120/240V, 120/208V, 277/480V, 346/600V
Frequency / Phase
60 Hz · 1/3-phase
Engine
PSI 8.1L I6 TCAC · 8.1L
EPA / Emissions
EPA Stationary Spark Ignition
Alternator
Stamford UCI274F-311
prime-powerremote-siteminingagriculturalCommercialoff-grid
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Overview#

The Gillette PR-1300 is a 130-kilowatt prime-rated natural gas generator — the high-output variant of the PSI 8.1L inline-6 platform shared with the PR-1000. Same engine, same enclosure (132 x 52 x 65 in), 30% more output through a higher BMEP calibration. Stamford UCI274F alternator, DSE 7420 MKII controller.

PR-1000 vs. PR-1300: same platform, different output#

If load growth is possible, specifying the PR-1300 on the same foundation as the PR-1000 provides 30 kW of headroom at minimal cost. Both models share identical physical dimensions and enclosure options.

Our service experience#

At 130 kW continuous from 8.1L, the PR-1300 runs at higher thermal loading than the 100 kW PR-1000. The turbocharger and charge air cooler work harder at this calibration — we inspect these components more carefully during service on the PR-1300 than on its lower-output sibling.

Engineering specifications

Physical

Length
132 in
Width
52 in
Height
65 in
Wet weight
5,275 lb

Acoustic

Sound @ 7m, full load
75 dBA
Enclosure
Sound-attenuated

Fuel system & runtime

BTU/hr @ full load
1,400,000

Photos

Gillette PR-1300 — product photo

Documents & downloads

Spec sheets & manuals

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Configure your Gillette PR-1300

Lock the enclosure, fuel system, transfer switch, and add-ons — we'll confirm pricing, availability, and lead time within one business day. Prefer a free-form quote? That option is still here.

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Estimate runtime for the Gillette PR-1300

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

Estimate runtime on this tank

Fuel demand at 75% load

1,365,000 BTU/hr≈ 1365.0 cf/min @ 1,000 BTU/cf

On utility natural gas the runtime is generally unlimited provided the supply line and meter can deliver this BTU/hr at the engine's required inlet pressure (typically 5–14" WC residential, up to 5 psi commercial). Confirm against the OEM's published fuel-pressure spec.

Service intervals

Manufacturer-recommended intervals for the Gillette PR-1300 under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter
Every 250 hours or 6 months
Coolant change
Every 4000 hours
Air filter
Every 500 hours
Spark plugs
Every 1000 hours
Major overhaul
≈ 15,000 hours
Load bank test
Every 12 months

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
TurbochargerPower loss from continuous high-output duty10,000+moderate
Spark plugs / ignitionMisfire, rough running1,000+moderate
Charge air coolerElevated intake temps, reduced output8,000+moderate

Frequently Asked Questions

How does the PR-1300 differ from the PR-1000?
Same PSI 8.1L I6 TCAC engine, same enclosure. The PR-1300 is the high-output calibration: 130 kW / 200 bhp (vs 100 kW / 199 bhp). The alternator steps from UCI274E to UCI274F for the higher current demand. Fuel consumption increases modestly: 1,400 ft3/hr vs 1,330 ft3/hr at full load.
What hospital-grade sound options are available?
The PR-1300 offers hospital-grade silencer options achieving 84 dBA open / 71 dBA in Level 2 enclosure — among the quietest prime-rated generators available. This makes the PR-1300 suitable for continuous-duty installations near occupied spaces.

Compatible equipment

Controllers

Transfer switches

More in the PR Series (Prime Gas)

80–540 kW natural gas prime power on PSI engines — continuous duty for remote sites, mining, and off-grid operations.

View all 7models in this series →

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