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30 kW Enclosed
Diesel Generator

PTI-30SI

The PTI-30SI Enclosed Quiet Diesel Generator provides 30 kW of power with advanced sound-isolating paneling for maximum noise reduction. Built with commercial-grade components, this generator is Tier 4 Final compliant, meeting the latest emissions standards, making it an environmentally friendly choice for specialty applications. Trusted by food truck operators, specialty vehicle manufacturers, and mobile medical providers, the PTI-30SI combines durability, quiet operation, and regulatory compliance for reliable power in diverse mobile environments.

Features

Upgrade your 30 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

fuel Tank

PTI-30SI Airflow

The PowerTech PTI-30SI quiet enclosed 30 kW diesel generator features an efficient airflow system designed to optimize performance, even in challenging, warm climates. This system draws air from the base pan of the generator, where it is filtered and directed through the engine compartment. As the air passes through, it helps cool vital components before being expelled through the radiator side of the unit. This design ensures that hot air is effectively vented away from sensitive areas, preventing overheating and maintaining steady operation under load. The air circulation system is a hallmark of the PowerTech lineup, offering enhanced cooling efficiency and reliability in mobile power generation, especially in high-temperature environments.

Genset Information

Overall Dimensions: 52 3/8″L X 26 5/8″W X 29 3/8″H
Weight: 1,138 LBS
Fuel Type: Ultra-Low Sulfur Diesel (ULSD)
Fuel Consumption: Full Load 2.9 gph, Half Load 1.5 gph
Fuel Lift Pump: Genset Mounted, Electric, 18”- 24” Max Vertical Lift
Service Interval: 250 Hours
Engine Coolant: Dex-Cool, Ethylene Glycol, 50/50, 8.5 qt.
Engine Oil: 15W-40, 8 qt.
Engine Electrical System: 12Vdc
Starting Battery, 12V: 500 CCA, Min. (Battery Not Included W/Genset)
Fuel Bulkhead Fittings: 1/4″ NPT
Fuel Lines: Supply 3/8”, Return 3/8”
Exhaust Outlet: 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: Isuzu
Model: 4LE2X
Engine Type: Diesel, 4 Stroke
Configuration: Vertical In-Line, OHV, Liquid Cooled
Cylinders: 4
Valves: 8
Displacement:2.2L (134.3ci)
Compression Ratio: 17.6:1
Aspiration: Turbocharged & Intercooled
Fuel System: Common Rail, Direct Injection
Starting Aid: Glow Plugs
Emissions Equipment: EGR, DOC (Diesel Oxidation Catalyst)
EPA Tier: Tier 4 Final
Rated Power: 66HP @ 1800rpm
Electrical System: 12Vdc
Alternator Output: 50A

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 - 30kw

Phase	Power Factor	Voltage	Amps
1	1.0	120	250
1	1.0	120/240	250/125
3	0.8	120/208	104
3	0.8	277/480	45

Generator Power Output at 50Hz - 24.9kW

Phase	Power Factor	Voltage	Amps
1	1.0	220	113
1	1.0	230	108
3	0.8	219/380	47
3	0.8	231/400	45

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
76.0	Service Side	7 Meters	1/2 Load
75.0	Radiator End	7 Meters	1/2 Load
77.0	Non-Service Side	7 Meters	1/2 Load
74.0	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 Top Out
Exhaust Exit Down
Exhaust Exit Rear
Exhaust Exit Service Side
High Lift Fuel Pump, 120″ Max Vertical Lift
Block Heater, 120V, 400 Watt
Emergency Stop Programming and Pigtail
Fuel Level Sender Programming and Pigtail
Low Battery Auto Start Programming
Other Options May Be Available Upon Request

View More Enclosed Generators

PTI-30SI

Genset Information

Overall Dimensions: 52 3/8″L X 26 5/8″W X 29 3/8″H
Weight: 1,138 LBS
Fuel Type: Ultra-Low Sulfur Diesel (ULSD)
Fuel Consumption: Full Load 2.9 gph, Half Load 1.5 gph
Fuel Lift Pump: Genset Mounted, Electric, 18”- 24” Max Vertical Lift
Service Interval: 250 Hours
Engine Coolant: Dex-Cool, Ethylene Glycol, 50/50, 8.5 qt.
Engine Oil: 15W-40, 8 qt.
Engine Electrical System: 12Vdc
Starting Battery, 12V: 500 CCA, Min. (Battery Not Included W/Genset)
Fuel Bulkhead Fittings: 1/4″ NPT
Fuel Lines: Supply 3/8”, Return 3/8”
Exhaust Outlet: 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: Isuzu
Model: 4LE2X
Engine Type: Diesel, 4 Stroke
Configuration: Vertical In-Line, OHV, Liquid Cooled
Cylinders: 4
Valves: 8
Displacement:2.2L (134.3ci)
Compression Ratio: 17.6:1
Aspiration: Turbocharged & Intercooled
Fuel System: Common Rail, Direct Injection
Starting Aid: Glow Plugs
Emissions Equipment: EGR, DOC (Diesel Oxidation Catalyst)
EPA Tier: Tier 4 Final
Rated Power: 66HP @ 1800rpm
Electrical System: 12Vdc
Alternator Output: 50A

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 - 30kw

Phase	Power Factor	Voltage	Amps
1	1.0	120	250
1	1.0	120/240	250/125
3	0.8	120/208	104
3	0.8	277/480	45

Generator Power Output at 50Hz - 24.9kW

Phase	Power Factor	Voltage	Amps
1	1.0	220	113
1	1.0	230	108
3	0.8	219/380	47
3	0.8	231/400	45

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
76.0	Service Side	7 Meters	1/2 Load
75.0	Radiator End	7 Meters	1/2 Load
77.0	Non-Service Side	7 Meters	1/2 Load
74.0	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 Top Out
Exhaust Exit Down
Exhaust Exit Rear
Exhaust Exit Service Side
High Lift Fuel Pump, 120″ Max Vertical Lift
Block Heater, 120V, 400 Watt
Emergency Stop Programming and Pigtail
Fuel Level Sender Programming and Pigtail
Low Battery Auto Start Programming
Other Options May Be Available Upon Request

30 kW EnclosedDiesel Generator

Features

Upgrade your 30 kw generator

Slide Rack

remote control panel

fuel Tank

PTI-30SI Airflow

Genset Information

Engine Specification

Generator End Specifications (Single Phase)

Generator End Specifications (Three Phase)

Main Circuit Breaker

Generator Power Output at 60Hz - 30kw

Generator Power Output at 50Hz - 24.9kW

Generator controller Specifications

Standard Controller Monitoring and Shutdown

Generator Decibel Level

Relative Decibel Level Information

Generator options

View More Enclosed Generators

PTI-25SI

PTI-25ENC

PTI-30ENC

PTJ-60

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30 kW Enclosed
Diesel Generator