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Wacker Neuson GP6600A


Rugged and powerful premium portable power

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.

  • 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.



L x W x H Overall 27 x 21 x 21.2 in
L x W x H Shipping 28 x 21.5 x 23.2 in
Weight Dry 198 lb
Shipping weight without Fuel 203 lb

Operating data 

Operating weight with Fuel 229.8 lb
Circuit breaker AC - 1 Phase 2 Pole 27 A
Receptacles AC Outlet (2) 125V, 20A Duplex
Receptacles AC Outlet 125/ 250V, 30A Twst Loc
Receptacles AC Outlet 125V, 30A Twist Lock

Electrical system 

Electrical power Max. Output 6,600 W
Electrical power Continuous Power 6,000 W
Voltage AC - 1 Phase 120/ 240 V
Current AC - 1 Phase 50/ 25 A
Frequency  60 Hz
Power factor  1 cos Φ 1~
Generator model  AVR With Brushes
Power Rating Specification  SAE J1349

Engine / Motor 

Engine / Motor  Honda
Engine / Motor manufacturer  GX390 RT2
Cylinder  1
Displacement  23.7 in³
Operating performance  11.7 kW
RPM / speed Operating 3,600 rpm
Tank capacity Oil 1.2 US qt
Tank capacity Fuel 5 US gal
Fuel type  Gasoline
Fuel consumption  1 US gal/h
Runtime  4.8 h