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The Wacker Neuson GPS6600A 6.6kw Generator w Electric Start powered by a Honda engine is designed for construction, rental and other demanding applications, these quiet, high-performance, portable generators deliver unmatched tool starting and voltage regulation in a rugged compact package. Excellent for powering single or multiple tools on an entire job site or as emergency or standby power. Built with heavy-duty frames and premium components to provide long, trouble-free operation even in abusive environments. Ideal for powering high starting amperage tools such as compressors, grinders, fusion welders as well as all your Wacker Neuson electric power tools.

2019 Wacker has discontinued the electric start model, but still available in the standard GP6600A w Honda

  • Best in class tool starting and voltage regulation due to a unique step-start generator technology with AVR (automatic voltage regulation) and separate excitation winding.
  • Central GFCI (neutral bonded to ground) sensor system eliminates common GFI outlet failures while offering personal protection on all receptacles including 240 Volt. Meets the latest NEC and OSHA jobsite standard
  • Unique auto-idle control with time delay system automatically reduces the engine to a low speed reducing fuel consumption, noise and wear.
  • Full wrap-around frame with dual cross-member support, high impact polyethylene fuel tank and heavy duty shock-mounting combine to provide outstanding impact protection.
  • Honda engine with low oil shutdown. Fully compliant with the latest EPA evaporative emissions regulations.
  • Battery is not included in price and we are unable to ship direct with a battery.

Made in USA logo - smaller


L x W x H Overall27 x 21 x 21.2 in
L x W x H Shipping28 x 21.5 x 23.2 in
Weight Dry198 lb
Operating weight with Fuel229.8 lb
Shipping weight without Fuel203 lb

Electrical system

Electrical power Max. Output6,600 W
Electrical power Continuous Power6,000 W
Voltage AC – 1 Phase120/ 240 V
Current AC – 1 Phase50/ 25 A
Circuit breaker AC – 1 Phase 2 Pole27 A
Frequency60 Hz
Power factor1 cos Φ 1~
Receptacles AC Outlet(2) 125V, 20A Duplex
Receptacles AC Outlet125/ 250V, 30A Twst Loc
Receptacles AC Outlet125V, 30A Twist Lock
Generator modelAVR With Brushes

Engine / Motor

Engine / Motor manufacturerHonda
Engine / MotorGX390 RT2
Fuel typeGasoline
Displacement23.7 in³
Operating performance11.7 hp
RPM / speed Operating3,600 rpm
Power Rating SpecificationSAE J1349
Fuel consumption1 US gal/h
Tank capacity Fuel4.94 US gal
Tank capacity Oil1.2 US qt
Runtime4.8 h