2018 Generac 40kW Gaseous Generator SG040

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Availability
Brochure
Year
2018
Manufacturer
Generac
Model
40kW Gaseous Generator SG040

Overview

Description

Generac ensures superior quality by designing and manufacturing most of its generator components including engines, alternators, enclosures and base tanks, control systems and communications software.

Features
  • Generator Enclosure: Generac manufactures its own enclosures, ensuring each unit combines the highest level of durability, noise reduction, weather resistance, and streamlined design.
  • Generac Spark-Ignited Engine: Generac builds its spark-ignited engines from the block up utilizing advanced engineering expertise.
  • Industrial Alternator: Generac industrial alternators are machine wound, machine inserted, and machine varnished for the ultimate in consistency.
  • PowerManager® Controller: Generac engineers its generator controls with safety and convenience as top priorities.
Engine Specifications
  • Make: Generac
  • Cylinder #: 8
  • Type: V
  • Displacement - in3 (L): 329.53 (5.4)
  • Bore - in (mm): 3.55 (90.17)
  • Stroke - in (mm): 4.17 (105.992)
  • Compression Ratio: 9.0:1
  • Intake Air Method: Naturally Aspirated
  • Number of Main Bearings: 4
  • Connecting Rods: Forged Steel
  • Cylinder Head: Aluminum
  • Cylinder Liners: No
  • Ignition: Single Fire
  • Piston Type: Aluminum Alloy
  • Crankshaft Type: Nodular Iron
  • Lifter Type: Hydraulic
  • Intake Valve Material: Steel Alloy
  • Exhaust Valve Material: Hardened Steel
  • Hardened Valve Seats: Yes
Engine Governing
  • Governor: Electronic
  • Frequency Regulation (Steady State): ±0.25%
Lubrication System
  • Oil Pump Type: Gear
  • Oil Filter Type: Full-Flow Spin-On Cartridge
  • Crankcase Capacity - qt (L): 6 (5.7)
Cooling System
  • Cooling System Type: Pressurized Closed Recovery
  • Fan Type: Pusher
  • Fan Speed - rpm: 2,143
  • Fan Diameter - in (mm): 20 (508)
Fuel System
  • Fuel Type: Natural Gas, Propane Vapor
  • Carburetor: Down Draft
  • Secondary Fuel Regulator: Standard
  • Fuel Shut Off Solenoid: Standard
  • Operating Fuel Pressure - in H2O (kPa): 8 - 14 (2.0 - 3.5)
Engine Electrical System
  • System Voltage: 12 VDC
  • Battery Charger Alternator: Standard
  • Battery Size: See Battery Index 0161970SBY
  • Battery Voltage: 12 VDC
  • Ground Polarity: Negative
Alternator Specifications
  • Standard Model: Generac 390 mm
  • Poles: 4
  • Field Type: Revolving
  • Insulation Class - Rotor: H
  • Insulation Class - Stator: H
  • Total Harmonic Distortion: <5% (3-Phase)
  • Telephone Interference Factor (TIF): <50
  • Standard Excitation: Synchronous Brushless
  • Bearings: Sealed Ball
  • Coupling: Direct via Flexible Disc
  • Prototype Short Circuit Test: Yes
  • Voltage Regulator Type: Full Digital
  • Number of Sensed Phases: All
  • Regulation Accuracy (Steady State): ±0.25%

Specs

Engine

Engine Type
Generac V8
Horsepower
62 hp
Displacement
5.4 L (329.53 cu.in.)

Dimensions

Length
94.8 in. (2408.9 mm)
Width
38 in. (965.1 mm)
Height
49.5 in. (1258.1 mm)
Weight
Steel: 2662 lb. (1207 kg); Aluminum: 2439 lb. (1106 kg)

Other

AC Output
40 kW

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