Wacker Neuson GP3800A

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  • 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 standards.
  • 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 168 lb
Shipping weight without Fuel 173 lb
Operating data
Operating weight with Fuel 198 lb
Circuit breaker AC - 1 Phase 2 Pole 16 A
Receptacles AC Outlet (2)125V,20A Duplex
Receptacles AC Outlet 125V,30A Twist Lock
Receptacles AC Outlet 125/250V,20A Twist Lock
Electrical system
Electrical power Max Output 3,800 W
Electrical power Continuous Power 3,400 W
Voltage AC - 1 Phase 120/ 240 V
Current AC - 1 Phase 28.3/ 14.2 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 GX240 RT2
Cylinder 1
Displacement 16.5 in³
Operating performance 7.9 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 0.63 US gal/h
Runtime 7.8 h

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