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Diesel generator engine featuring a compact design, cooling system, and control panel, ideal for power generation applications.

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Gas generator with detailed engine components and control panel, showcasing industrial design and functionality.

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Generator set featuring a robust engine and control panel, designed for reliable power generation in various applications.

12kW Diesel Generator on slide rack

The PTK-12-MIL-HI generator, tailored specifically to meet the power requirements of military operations, notably within the compact confines of the S-788 Humvee-mounted shelter.

Compact green power generator with control panel and ventilation grill, designed for rugged environments.

10 KW DIESEL TRAPEZOID GENERATOR

The PTK-10-TRAP generator was designed to meet the unique challenges posed by the cramped confines of military scout vehicles.

Power Tech PTK-12ENC portable generator with black casing and wheels, designed for mobility and efficiency.

12 KW DIESEL GENERATOR WITH TANK AND WHEELS

Focused on portability, quick assembly, and ease of use, this project highlights the importance of responsive solutions in emergency situations.

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20kW Open
Gas Generator

PTGK-20

Gasoline generator model PTGK-20, featuring a compact design, digital controller, and quiet enclosure, ideal for mobile applications like food trucks and medical units.

The PTGK-20 Open Gas Generator delivers 20,000 watts of robust, customizable power, ideal for mobile applications requiring commercial-grade reliability. Lightweight yet powerful, this generator is designed for specialty vehicles and offers a convenient solution for those looking to simplify operations by utilizing a single fuel source. The PTGK-20 integrates seamlessly with existing gasoline systems, perfect for mobile setups, providing dependable power without adding unnecessary weight. This generator is also an excellent foundation for custom-engineered power solutions tailored to specific project needs.

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Specifications

Features

  • Single Side Service
  • Commercial Grade
  • 1800 RPM
  • Customizable
Gasoline generator model PTGK-20, featuring a compact design, digital controller, and quiet enclosure, ideal for mobile applications like food trucks and medical units.

Upgrade your 20 kW generator

with Add-ons

Explore a broad spectrum of enhancements for your tailor-made generator at PowerTech. Our collection of add-ons significantly elevates the efficiency and performance of your personalized power solution. Whether it’s for a specialty vehicle or a custom trailer, our dedicated sales and engineering team is ready to assist you in selecting the most suitable enhancements to meet your unique needs.

Slide Rack

remote control panel

Remote Radiator

fuel Tank

PTGK-20 Open Gas Generator showcasing efficient airflow system with cool air circulation, critical components, and radiator, emphasizing customizable power and reliability for mobile applications.

PTGK-20 Airflow

The PTGK-20 Open 20 kW Diesel Generator features an efficient airflow system designed to keep the generator cool and performing at its best. Cool air is pulled across the generator, circulating around critical components before exiting through the radiator. This straightforward airflow pathway ensures that temperatures stay controlled, helping to prevent overheating and ensuring the generator runs reliably under various conditions.

Genset Information

  • Prime Power Output: 20,000W
  • Model: PTGK-20
  • Overall Dimensions: 49 1/2″L X 28″W X 27 5/8″H
  • Weight: 950 LBS
  • Fuel Type: Unleaded Gasoline
  • Fuel Consumption: Full Load 3.1 gph, Half Load 1.6 gph
  • Fuel Pump: Genset Mounted, Electric, 18”- 24” Max Vertical Lift
  • Service Interval: 150 Hours
  • Engine Coolant: Dex-Cool, Ethylene Glycol, 50/50, 10 qt.
  • Engine Oil: 15W-40, 8 qt.
  • Engine Electrical System: 2Vdc
  • Starting Battery, 12V: 500 CCA, Min. (Battery Not Included W/Genset)
  • Fuel Bulkhead Fittings: 1/4″ NPT
  • Fuel Lines: Supply 3/8”, Return 1/4”
  • Exhaust Outlet: 1 1/2” NPT
 

Disclaimer: Weights and dimensions shown may vary and are for guidance only. Please confirm with your PowerTech Sales Representative before ordering.

Engine Specification

  • Make: Kubota
  • Model: WG2503
  • Engine Type: Gasoline, 4 Stroke
  • Configuration: Vertical In-Line, OHV, Liquid Cooled
  • Valves: 8
  • Displacement: 2.5L (152 ci)

Generator End Specifications (Single Phase)

  • Type: Synchronous A/C Generator
  • Exciter Type: Self-Excited, Brushless, AVR Equipped
  • Rotor Support: Single Bearing
  • Frame Type: Open
  • Cooling: Fan Cooled
  • Insulation Class: H
  • Winding Pitch: 2/3
  • Ambient Temperature: 40 C
  • Temperature Rise 125 C
  • Service Rating: Continuous
  • Voltage: 240VAC
  • Frequency: 50/60 Hz
  • Power Factor 1.0
  • Phase: 1
  • Number of Poles: 4
  • Number of Leads: 4
  • Voltage Regulation: +/- 1%
  • Harmonic Distortion: <4%
  • Loading Recovery Time: <500 msec
  • Load Imbalance Allowed 25% (Maximum)

Generator End Specifications (Three Phase)

  • Type: Synchronous A/C Generator
  • Exciter Type: Self-Excited, Brushless, AVR Equipped
  • Rotor Support: Single Bearing
  • Frame Type: Open
  • Cooling: Fan Cooled
  • Insulation Class: H
  • Winding Pitch: 2/3
  • Ambient Temperature: 40 C
  • Temperature Rise 125 C
  • Service Rating: Continuous
  • Voltage: 480VAC
  • Frequency: 50/60 Hz
  • Power Factor 0.8
  • Phase: 3
  • Number of Poles: 4
  • Number of Leads: 12
  • Voltage Regulation: +/- 1%
  • Harmonic Distortion: <4%
  • Loading Recovery Time: <500 msec
  • Load Imbalance Allowed 25% (Maximum)

Main Circuit Breaker

  • Number of Poles: 3
  • Trip Type: Fixed Thermal, Fixed Magnetic
  • Max Rated Voltage: 600VAC
  • Interrupt Rating: 18kAIC @ 240VAC, 14kAIC @480VAC
  • Frequency Rating: 50/60 Hz
  • Direct Short Trip Time: 10 msec

Generator Power Output at 60Hz - 20kw

Phase
Power Factor
Voltage
Amps
1
1.0
120
166
1
1.0
120/240
166/83
3
0.8
120/208
69
3
0.8
277/480
30

Generator Power Output at 50Hz - 16.6kW

Phase
Power Factor
Voltage
Amps
1
1.0
220
75
1
1.0
230
72
3
0.8
219/380
31
3
0.8
231/400
30

Generator controller Specifications

  • Make: Dynagen
  • Model: TG 600
  • Display: 4.3″, Color, Sunlight Readable
  • Moisture Resistance: IP67
  • Communication: CAN Bus J1939, RS-485 (Modbus)
  • Switched Inputs: 12
  • Switched Outputs: 10
  • Analog Inputs: 10

Standard Controller Monitoring and Shutdown

System
Warning
Shutdown
Oil Pressure
X
X
Coolant Temperature
X
X
Coolant Level
X
Fuel Filter Restriction
X
Air Filter Restriction
X
Generator Voltage
X
X
Generator Frequency
X
X
Generator Over Current
X
X
Engine Speed
X
X

Generator Decibel Level

dB Level
Location
Distance
Generator Load
70.9
Service Side
7 Meters
1/2 Load
73.9
Radiator End
7 Meters
1/2 Load
73.2
Non-Service Side
7 Meters
1/2 Load
72.7
Generator End
7 Meters
1/2 Load

Relative Decibel Level Information

dB Level
Pressure Rise in Pa
Source
180+
20,000
Space Shuttle Launch
160-179
2,000
NHRA Dragster
140-159
200
Jet Engine, Fireworks
120-139
20
Rock Concert, Police Siren
100-119
2
Lawn Mower, Helicopter
80-99
0.2
Semi-Truck, Hair Dryer
60-79
0.02
Normal Conversation, City Traffic
40-59
0.002
Whispering
20-39
0.0002
Quiet Bedroom
0-19
0.00002
Hearing Threshold

Generator options

  • Exhaust Exit Down
  • Exhaust Exit Rear
  • Emergency Stop Programming and Pigtail
  • Fuel Level Sender Programming and Pigtail
  • Low Battery Auto Start Programming
  • Other Options May Be Available Upon Request

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