Southwest Product Changes - Same Great Service

The Novel Coronavirus (COVID-19) is having an immense impact in our communities.
Our primary concern is for the safety of our team members and customers.
Currently, we are operating as normal except for in-person training (tentatively suspended until August).
We continue to monitor the situation at all of our locations and will provide updates as necessary.

QP 400 Generators

Environmentally Friendly

Fuel-efficient, sound-attenuated, and completely contained.

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QP 400 Generators


Southwest Products’ Quiet Power 400 generators come with durable Perkins diesel engines and have the option to be either trailer or skid mounted. With larger fuel tanks for longer run times, these mobile units also come with oversized brushless PMG alternators that provide superior motor starting capability.

Standby Rating: 400 kVA / 320 kW
Prime Rating: 360 kVA / 288 kW
  • SWP Tough Series TG410 digital genset controller
  • Multi-voltage switch with utility outlet power in 120/208 mode
  • Sound attenuation for superior noise reduction
  • Bus bar and utility outlets for customer connections

Contact our team or call 602-269-3581 for more information.

View Specification Sheet

Technical Specifications

Model QP 400
Available Voltages 120/208 | 277/480
Standby Rating kVa/kWe 400 kVA / 320kWe
Prime Rating kVa/kWe 360 kVA / 288 kWe
Engine Model 2206D-E13TAG3
Alternator Marathon

Engine Specifications

Engine Mfg Perkins
Model Number 2206D-E13TAG3
Spec # TGDF7127
Prime Output HP (Gross) 546
Standby Output HP (Gross) 620
Emissions Certification Tier 3/Flex

Fuel Specifications

Fuel Tank Capacity 500 gal
50% Load 12.6
75% Load 17.9
100% Load 23.4

Alternator Specifications

Available Voltages 120/208 | 277/480
277/480 volt prime amps PF .08 433.5
277/480 volt standby amps PF .08 481.7
120/208 volt prime amps PF .08 1000.4
120/208 volt standby amps PF .08 1111.6
120/240 volt prime amps PF 1.0
120/240 volt standby amps PF 1.0

Enclosure Specifications

Length – Enclosure Only 208″
Width 72″
Height 91″
Weight – Dry 14,400 lbs
Length with trailer 301″
Width with trailer 102″
Height with trailer 117″
Weight with trailer 18,900 lbs
Weight Ready to Run 22,500 lbs
Sound dBA level at 23ft. 75 dBA


Reliable, Sturdy, and Environmentally Friendly

  • Heavy duty, 4-cycle, direct injection, turbo charged diesel engine
  • Robust construction
  • Oversized alternator with PMG for better motor starting
  • Heavy gauge, powder coated, lockable enclosure
  • Dual containment fuel cell with environmental containment basin

Extremely Quiet and Fuel Efficient

  • Sound attenuation for superior noise reduction
  • EPA Tier 3 FLEX certified
  • Electric fuel system and governor control
  • Large capacity fuel cell for extended run time

Easy to Use Connection and Service Points

  • Digital engine/generator controller with redundant analog gauges/meters
  • Multi-voltage switch with utility power in 120/208 mode
  • Bus bar and utility outlets for customer connections
  • SWP Tough Series TG410 digital genset controller
  • Single point lift


Quality Products That Work As Hard As You Do