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The Wacker Neuson G14 Diesel Generator delivers 13.5kw of Prime Power with a compact mobile generator that bridges the gap between portable and mobile generators. Designed for smaller job sites requiring single phase power only, the G 14 is a cost effective alternative to larger mobiles where fuel economy and underloading (wet stacking) are concerns. A rugged design, compact size and multiple power hook ups make this unit ideal for rental applications as well as smaller job sites including powering job trailers, residential construction, home applications and light commercial.

  • Unit offers low noise, mobile power for virtually any sound sensitive application. Utilizing proven technology and simple design, this quiet generator provides excellent reliability in the most demanding environments.
  • Generator features a large 21 gallon fuel tank for 16 hours of run time at prime load.
  • Brushless generator features a separate excitation winding for excellent motor starting and an enhanced ability to run non-linear loads.
  • Generator control panel swings open as once complete unit for easy serviceability.
  • Optional single-axle trailer is available for added convenience and easy transport.

Made in USA logo - smaller

Wacker G14 Brochure (click for pdf)


L x W x H Operating (Skid)68.8 x 36.0 x 41.1 in
L x W x H Shipping (Skid)68.8 x 36.0 x 41.1 in
L x W x H Shipping/Operating (Trailer)116.1 x 60.6 x 66.9 in


Weight Dry (Skid)1,435 lb
Weight Operating (Skid)1,603 lb
Weight Shipping (Skid)1,451 lb
Weight Operating (Trailer)1,951 lb
Weight Shipping (Trailer)1,784 lb

Operating data

Trailer coupling Type2in Ball
Standby output14.2 kW
Prime output13.5 kW
Voltage 1 Phase120/240 V
Current 1 Phase (120/240)56.3 x 2 / 56.3 A
Voltage 1 Phase120,240 V
Circuit breaker (Main)60 A
Frequency60 Hz
Power factor 1 Phase1 cos Φ 1~
Sound level (LwA) at Prime (23 ft / 7 m)65 dB(A)
Receptacles -20 Amp GFI Duplex3
Receptacles -50 Amp Twist Lock1
Receptacles -30 Amp Twist Lock1

Engine / Motor

Engine / MotorLiquid-Cooled, 3 Cylinders
Engine / Motor manufacturerKubota
Displacement100.5 in³
Operating performance ISO 304624.3 hp
at rpm1,800 rpm
Coolant Capacity7.3 US qt
Engine oil Capacity7.4 US qt
Fuel typeDiesel
Fuel consumption (Prime Load)1.34 US gal/h
Tank capacity -Fuel21.4 US gal
Quantity (Battery)1
Battery12 V
Generator modelStamford, Brushless w/AVR
Voltage control No Load to Full Load +/-1.5 %
Generator insulation (class)H
Frequency (Generator Speed)60 Hz
Runtime at 75% Prime Load15.9 h