Engine
Engine Manufacturer
Generac
Cylinder Liners
8
Engine Type
V
Displacement
543 in3 (8.9 L)
Bore
4.49 in (114.3 mm)
Stroke
4.25 in (108 mm)
Compression Ratio
G18: 10.5:1 | G26: 9.1:1
Ignition
High Energy
Cooling
Type: Pressurized Closed | Closed Coolant Recovery System | UV/Ozone Resistant Hoses | Factory-Installed Radiator | 50/50 Ethylene Glycol Antifreeze | Radiator Drain Extension
Engine Power
Horsepower at Rated kW: 229 hp | Natural Gas (G18, G26) Single-Phase 120/240 VAC @ 1.0pf: 144 kW/144 kVA, 600 Amps | Natural Gas 8G18, G26) Three-Phase 120/208 VAC @0.8pf: 150 kW/188 kVA, 521 Amps | Natural Gas (G18, G26) Three-Phase 120/240 VAC @0.8pf: 150 kW/188 kVA, 452 Amps | Natural Gas (g18, g26) Three-Phase 277/480 VAC @0.8pf: 150 kW/188 kVA, 226 Amps | Natural Gas (G18, G26) Three-Phase 346/600 VAC @0.8pf: 150 kW/188 kVA, 181 Amps | Propane/Dual Fuel (G18, G26) Single-Phase 120/240 VAC @ 1.0pf: 134 kW/134 KVA, 558 Amps | Propane/Dual Fuel (G18, G26) Three-Phase 120/208 VAC @0.8pf: 140 kW/175 kVA, 486 Amps | Propane/Dual Fuel Three-Phase 120/240 VAC @0.8pf: 140 kW/175 kVA, 422 Amps | Propane/Dual Fuel Three-Phase 277/480 VAC @0.8pf: 140 kW/175 kVA, 211 Amps | Propane/Dual Fuel Three-Phase 346/600 VAC @0.8pf: 140 kW/175 kVA, 169 Amps
Governor
Electronic
Intake Design
Intake Air Method: Turbocharged/Aftercooled
Fuel System
Fuel Type
Natural Gas, Propane Vapor/ Liquid
Fuel System
Carburetor: Down Draft | NPT Fuel Connection on Frame | Primary and Secondary Fuel Shutoff
Fuel Usage, 100% Load
Natural Gas 25%: 668 scfh (18.9 m3/hr) | Natural Gas 50%: 1,127 scfh (31.9 m3/hr) | Natural Gas 75%: 1,583 scfh (44.8 m3/hr) | Natural Gas 100%: 2,042 scfh (57.8 m3/hr) | Propane Vapor 25%: 280 scfh (7.9 m3/hr) | Propane Vapor 50%: 430 scfh (12.2 m3/hr) | Propane Vapor 75%: 573 scfh (16.2 m3/hr) | Propane Vapor 100%: 720 scfh (20.4 m3/hr) | Propane Liquid 25%: 6.7 gal/hr (25.4 Lph) | Propane Liquid 50%: 11.4 gal/hr (43.2 Lph) | Propane Liquid 75%: 15.7 gal/hr (59.4 Lph) | Propane Liquid 100%: 20.0 gal/hr (75.7 Lph)
Battery
Battery
Size: See Battery Index 0161970SBY | Voltage: 12 VDC
Electric
Electrical
System Voltage: 12 VDC | Ground Polarity: Negative
Alternator
Standard Model: K0150124Y26 | Poles: 4 | Field Type: Revolving | Insulation Class - Rotor: H | Insulation Class - Stator: H | Total Harmonic Distortion: <5% | Telephone Interference Factor (TIF): <50 | Standard Excitation: Permanent Magnet | Bearings: Single Sealed Ball | Coupling: Direct Drive | Voltage Regulator Type: Full Digital | Regulation Accuracy (Steady State): ±0.25% | UL2200 GENprotect™ | Class H Insulation Material | 2/3 Pitch | Skewed Stator | Permanent Magnet Excitation | Sealed Bearings | Amortisseur Winding | Full Load Capacity Alternator
Operational
Operating Conditions
Frequency Regulation (Steady State): ±0.25%
Operating Speed
Fan (G18 /G26): 2,330 RPM / 2,386 RPM | Rated Engine: 1,800 RPM | Piston: 1,275 ft/min (389 m/min)
Operating Temperature, Maximum
Maximum Operating Air Temperature on Radiator: 122 °F (50 °C) | Maximum Operating Ambient Temperature (Before Derate): See Bulletin 0199270SSD | Exhaust Temp (Rated Output - Post Silencer): 1,440 °F (782 °C)
Hydraulics
Pump Type
Oil: Gear Driven
Oil Filter
Type: Full-Flow Spin-On Cartridge
Hydraulic Flow
Coolant Flow: 27.5 gpm (104 Lpm)
Airflow
Air Flow (Fan Air Flow Across Radiator): 5,598 cfm (158.5 m3/min) | Flow at Rated Power: 343 cfm (9.7 m3/min) | Exhaust Flow (Rated Output): 1,206 cfm (34.1 m3/min)
Maximum Pressure
Operating Fuel Pressure: 7 - 11 in H2O (1.7 - 2.7) | Maximum Radiator Backpressure: 0.5 in H2O (0.12 kPa) | BMEP: 185 psi (1,277 kPa) | Maximum Exhaust Backpressure: 0.75 inHg (2.54 kPa)
Dimensions
Dimensions
Fan Diameter: 22 in (559 mm)
Length
Open Set (Includes Exhaust Flex): 116.5 in (2,959 mm) | Weather Protected Enclosure: 143.0 in (3,631 mm) | Level 1 Acoustic Enclosure: 168.5 in (4,280 mm) | Level 2 Acoustic Enclosure: 142.9 in (3,630 mm)
Width
Open Set (Includes Exhaust Flex): 49.7 in (1,262 mm) | Weather Protected Enclosure: 50.4 in (1,280 mm) | Level 1 Acoustic Enclosure: 50.4 in (1,280 mm) | Level 2 Acoustic Enclosure: 50.4 in (1,280 mm)
Height
Open Set (Includes Exhaust Flex): 55.6 in (1,412 mm) | Weather Protected Enclosure: 68.2 in (1,732 mm) | Level 1 Acoustic Enclosure: 68.2 in (1,732 mm) | Level 2 Acoustic Enclosure: 91.7 in (2,329 mm)
Capacities
Oil capacity
Crankcase Capacity (G18 / G26): - 8.5 qt (8.0 L) / 9.5 qt (10.0 L)
Cooling System
Coolant Capacity: 6.3 gal (24.0 L)
Weights
Weight
Open Set (Includes Exhaust Flex): 2,946 lbs (1,336 kg) | Weather Protected Enclosure Steel: 3,843 lbs (1,743 kg) | Weather Protected Enclosure Aluminum: 3,384 lbs (1,535 kg) | Level 1 Acoustic Enclosure Steel: 4,131 lbs (1,874 kg) | Level 1 Acoustic Enclosure Aluminum: 3,157 lbs (1,432 kg) | Level 2 Acoustic Enclosure Steel: 4,323 lbs (1,961 kg) | Level 2 Acoustic Enclosure Aluminum: 3,594 lbs (1,630 kg)
Features
Features
Number of Main Bearings: 5 | Lifter Type: Hydraulic Roller | Fan Type: Pusher | Oil Drain Extension | Air Cleaner | Fan Guard | Factory Filled Oil and Coolant | Radiator Duct Adapter (Open Set Only) | Critical Silencer/Catalyst | Battery Charging Alternator | Battery Cables | Battery Tray | Rubber-Booted Engine Electrical Connections | Solenoid Activated Starter Motor | Internal Genset Vibration Isolation | Separation of Circuits - High/Low Voltage | Separation of Circuits - Multiple Breakers | Wrapped Exhaust Piping | Standard Factory Testing | Silencer Mounted in the Discharge Hood (Enclosed Only)
Construction Material
Connecting Rods: Forged Steel | Cylinder Head: Cast Iron | Piston Type: Aluminum Alloy | Crankshaft Type: Forged Steel | Intake Valve Material: Steel Alloy | Exhaust Valve Material: Stainless Steel | Stainless Steel Flexible Exhaust Connection
Warranty
Warranty
2 Year Limited Warranty (Standby Rated Units)