PowerShot Portable Generator SPG3640-Watt Generator 49-State


SIMPSON’s portable generators are perfect for providing power at work sites, recreational facilities, residential locations, and more. Their heavy-duty roll cage frames provide durability and protection for the generator. Whether tailgating before a game, charging tools at a construction site or providing backup power for your home, rely on SIMPSON® for your power needs. Equipped with a (49-State compliant) CRX® 225 with a low oil shutdown feature.

1 in stock

SKU SIM-70068 Categories ,


  • 3,600 running watts, 4,500 starting watts
  • CRX® 225 engine with a low oil shutdown feature (49-State compliant)
  • Fuel tank capacity 3.96 gal gasoline
  • Roll cage frame protection
  • Now with GFCI Protection
  • Run time  25% load: 10.5 hrs
  • Unit Dimensions: L: 23” x W:17” x H: 17”
  • Unit Weight: 95 lbs
  • The actual product may vary slightly from product images
  • **Does not ship to California**

*Generator per PGMA (Portable Generator Manufacturers’ Association) standard ANSI/PGMA G300-2015, Safety and Performance of Portable Generators.
**See Operator’s Manual for complete warranty details


  • Power Type: Gasoline
  • Running Watts: 3600
  • Starting Watts: 4050
  • Fuel Tank Capacity (Gallons): 3.96
  • Engine Brand: CRX 225
  • Number of Circuits/Outlets: 4
  • Outlet Type: (1) 120V TT-30R RV Receptacle, (1) 120v 5-20R Duplex Receptacle, (1) 120V L5-30R Twist Lock Receptacle
  • Run Time at 50% Load (hours/tank or charge): 8 hours
  • Series: Generator
  • Dimensions: 27 in. x 23.1 in. x 20 in.


SPG3640 Manual

SPG3640 Quick Start Guide

SPG3640 Quick Start Engine

SPG3640 Specification Sheet


  • 3 Year limited consumer warranty
  • 6 Month limited commercial warranty
  • 90 Day limited accessory warranty