Why is the SP-2000P natural gas only — no LPG option?

The SP-2000P uses a high-output calibration of the PSI 8.8L engine pushing 316 bhp at standby. At this power level, the LPG fuel system cannot deliver sufficient BTU/hr through a practical vapor-withdrawal connection to sustain output. LPG at this scale requires a liquid withdrawal vaporizer system, which Gillette does not configure for this model. For 200 kW with LPG capability, consider the SP-2500P (165 kW LPG / 250 kW NG).

What makes the SP-2000P's engine different from the SP-1500?

Both use the PSI 8.8L V8 block, but the SP-2000P uses the heavy-duty high-output (HO) variant: forged steel crankshaft (vs. nodular iron), 7 main bearings (vs. 5), 8.5:1 compression ratio (vs. 10.1:1 on SP-1500), and a larger 2" NPTF fuel inlet. The SP-2000P produces 316 bhp mechanical vs. 259 bhp on the SP-1500 from the same displacement.

The SP-2000P is three-phase only — is there a single-phase option?

No — the SP-2000P is configured three-phase only. At 200 kW single-phase, current draws exceed practical service conductor sizing. Single-phase loads at this scale are typically handled by separating loads across phases of a three-phase unit.

What is the fuel consumption at full load?

2,431,000 BTU/hr (natural gas) at full load (200 kW). At 75% load: 1,945,000 BTU/hr. Fuel inlet: 2" NPTF at 11-14" water column. A dedicated high-capacity gas service is required — verify with your gas utility before specifying.

How large is the SP-2000P physically?

Open skid: 132 x 52 x 58.3 inches, 4,530 lbs. Level 2 enclosure: 162 x 52 x 80 inches, 7,047 lbs. This is a significantly larger footprint than the SP-1500 — verify clearances and structural capacity before placement.

Gillette · SP Series (Commercial Gas Standby)

Gillette SP-2000P

Name: Gillette SP-2000P
Brand: Gillette
Availability: PreOrder

200 kW standby · Natural Gas · Liquid-cooled

200 kW natural gas stationary standby generator. Made-in-USA commercial unit with PSI 8.8L high-output turbocharged V8, Stamford alternator, and DSE 7420 MKII controller. NG only.

Standby power: 200 kW
Voltage options: 120/208V, 277/480V, 346/600V
Frequency / Phase: 60 Hz · 3-phase
Engine: PSI 8.8L V8 TCAC HO · 8.8L
EPA / Emissions: EPA Stationary Spark Ignition
Alternator: Stamford UCID274J-311

Commercial Hospitality Property Mgmt Government Data Centerslight-industrial

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Overview#

The Gillette SP-2000P is a 200-kilowatt natural gas standby generator — the highest output the PSI 8.8L platform achieves. It uses a high-output (HO) variant of PSI's turbocharged and charge air cooled V8 with a forged steel crankshaft, seven main bearings, and calibration specifically for natural gas (no LPG option). Stamford UCID274J alternator, DSE 7420 MKII controller, three-phase only.

This is a step below Gillette's 13L inline-6 platform (SP-2500P at 250 kW NG) — the SP-2000P extracts maximum output from the 8.8L displacement rather than stepping to a larger engine. The result is a more compact footprint than the 13L units at 200 kW.

The PSI 8.8L HO: maximum output from a familiar platform#

The SP-2000P, SP-1500, and SP-960 all share the PSI 8.8L V8 — each at progressively higher output through different configurations:

Model	Engine Variant	Standby kW (NG)	Crankshaft	Main Bearings
SP-960	8.8L naturally aspirated	96 kW	Nodular iron	5
SP-1500	8.8L TCAC	150 kW	Nodular iron	5
SP-2000P	8.8L TCAC HO	200 kW	Forged steel	7

The HO variant's forged steel crankshaft and additional main bearings are designed to handle the higher peak cylinder pressures at 316 bhp mechanical output. The 8.5:1 compression ratio is lower than the SP-1500's 10.1:1 — a deliberate calibration to manage combustion temperatures at high output on natural gas.

Natural gas only — practical implications#

At 200 kW, natural gas vapor-withdrawal LPG delivery is not practical for sustained operation. The SP-2000P is calibrated exclusively for natural gas. If your site requires LP capability at this power class, the SP-2500P delivers 165 kW LPG (with 250 kW NG) on a larger engine platform.

Gas service sizing: 2,431,000 BTU/hr at full load requires coordination with your utility — typically a 2" dedicated high-pressure service with pressure regulator.

Our service experience#

The PSI 8.8L turbocharged platform is the engine we see most on mid-size Gillette commercial installations in our territory. The HO variant's forged crankshaft is more robust than the standard block — we've seen fewer crankshaft-related failures on these units. Service intervals are identical to the standard TCAC version: 250-hour oil changes, 1500-hour spark plugs. The larger fuel inlet (2" NPTF) means fuel delivery issues are less common at this power level than on units with undersized connections.

Engineering specifications

Physical

Length: 132 in
Width: 52 in
Height: 58 in
Wet weight: 4,530 lb

Acoustic

Sound @ 7m, full load: 78 dBA
Enclosure: Sound-attenuated

Fuel system & runtime

BTU/hr @ full load: 2,431,000

Documents & downloads

Spec sheets & manuals

Spec sheet (datasheet)

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Estimate runtime for the Gillette SP-2000P

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

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Generator size

Fuel

Load

Fuel demand at 75% load

2,100,000 BTU/hr≈ 2100.0 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 SP-2000P under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter: Every 250 hours or 12 months
Coolant change: Every 4000 hours
Air filter: Every 1000 hours
Spark plugs: Every 1500 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.

Component	Symptom	Typical hours	Severity
Turbocharger	Power loss, excessive crankcase pressure	12,000+	moderate
Charge air cooler	Reduced power, elevated intake temperature	10,000+	moderate
Spark plugs / ignition	Misfire, rough running under load	1,500+	minor
Battery	Failed to start during outage	8,760+	minor

Frequently Asked Questions

Why is the SP-2000P natural gas only — no LPG option?: The SP-2000P uses a high-output calibration of the PSI 8.8L engine pushing 316 bhp at standby. At this power level, the LPG fuel system cannot deliver sufficient BTU/hr through a practical vapor-withdrawal connection to sustain output. LPG at this scale requires a liquid withdrawal vaporizer system, which Gillette does not configure for this model. For 200 kW with LPG capability, consider the SP-2500P (165 kW LPG / 250 kW NG).
What makes the SP-2000P's engine different from the SP-1500?: Both use the PSI 8.8L V8 block, but the SP-2000P uses the heavy-duty high-output (HO) variant: forged steel crankshaft (vs. nodular iron), 7 main bearings (vs. 5), 8.5:1 compression ratio (vs. 10.1:1 on SP-1500), and a larger 2" NPTF fuel inlet. The SP-2000P produces 316 bhp mechanical vs. 259 bhp on the SP-1500 from the same displacement.
The SP-2000P is three-phase only — is there a single-phase option?: No — the SP-2000P is configured three-phase only. At 200 kW single-phase, current draws exceed practical service conductor sizing. Single-phase loads at this scale are typically handled by separating loads across phases of a three-phase unit.
What is the fuel consumption at full load?: 2,431,000 BTU/hr (natural gas) at full load (200 kW). At 75% load: 1,945,000 BTU/hr. Fuel inlet: 2" NPTF at 11-14" water column. A dedicated high-capacity gas service is required — verify with your gas utility before specifying.
How large is the SP-2000P physically?: Open skid: 132 x 52 x 58.3 inches, 4,530 lbs. Level 2 enclosure: 162 x 52 x 80 inches, 7,047 lbs. This is a significantly larger footprint than the SP-1500 — verify clearances and structural capacity before placement.

Compatible equipment

Controllers

DSE 7420 MkIIControllers

Transfer switches

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