Cummins Onan QG 5500 Commercial Mobile Generator

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Cummins Onan QG 5500 Commercial Mobile Generator – 5.5kW, Gasoline, 120/240V, EVAP Model (5.5HGJAD-6759+)

The Cummins Onan QG 5500 (5.5HGJAD-6759+) is a heavy-duty, commercial-grade mobile generator designed for work trucks, food trucks, mobile medical units, and specialty vehicles. Built for tough commercial applications, this generator offers exceptionally low noise and vibration levels, electronic fuel injection (EFI) for enhanced efficiency, and stable power output at 120/240V.

With 5,500 watts of continuous power, this EVAP-compliant generator meets CARB Tier 3 and EPA Phase 3 emission standards, making it legal for use in all 50 states. Its microprocessor-controlled operation ensures precise voltage regulation, while its sound-attenuating enclosure and thru-flow cooling system provide quiet and reliable operation.

Key Features

  • 5,500W Continuous Power Output (120/240V - 30A) – Powers HVAC units, refrigeration systems, power tools, and mobile workstations.

  • EVAP-Compliant Model – Meets CARB Tier 3 & EPA Phase 3 emission standards, required for mobile applications using a separate fuel tank.

  • Electronic Fuel Injection (EFI)

    • Improves fuel efficiency and throttle response.

    • Enhances hot and cold starting performance.

    • Provides smoother operation under varying load conditions.

  • Designed for Tough Commercial Use – Supports continuous heavy-duty operation in food trucks, work vehicles, and specialty mobile applications.

  • Self-Diagnostic Capability – Simplifies troubleshooting and maintenance.

  • Automatic Safety Shutdowns – Protects against low oil pressure, over/under speed, and overcurrent conditions.

  • Microprocessor-Controlled Digital Voltage Regulation – Maintains stable power output under fluctuating loads.

  • Thru-Flow Cooling System – Enhances cooling efficiency while lowering noise levels.

  • Instant One-Touch Stop Switch & Remote Disable Feature – Provides quick and safe shutdown options.

  • Integral Control Panel with Waterproof Remote Connector – Enables remote start and monitoring.

  • 4-Point Mounting System with Vibration Isolators – Minimizes generator movement and noise.

  • Added Durability Features

    • Auto Choke for Reliable Starts

    • Full-Flow Oil Filter for Engine Protection

    • Long-Life Fuel Filter for Extended Operation

  • 2-Year Limited Warranty (5-Year Drive Warranty) – Backed by Cummins' trusted reliability.

  • Requires Cummins Onan EFI Fuel Pump Kit (541-1002) – Sold Separately.

Technical Specifications

  • Manufacturer’s Warranty: 2-Year Limited (Commercial Use), 5-Year Drive Warranty

  • Rated Power Output: 5,500W

  • Voltage: 120/240V Single-Phase

  • Amperage: 30A

  • Frequency: 60Hz

  • Engine: Cummins Onan 4-Cycle OHV V-Twin, EFI

  • Engine Displacement: 653cc

  • Engine Speed: 2,400 RPM

  • Starting System: 12-Volt Electric Start (Button Start)

  • Cooling System: Air-Cooled, Thru-Flow Design

  • Hour Meter: Yes

  • Low Oil Shutdown: Yes

  • Alternator Type: Brush

  • Noise Level: Sound-attenuated enclosure for quiet operation

  • Mounting System: 4-Point Mounting with Vibration Isolators

  • Circuit Breaker Size: 30A

  • Dimensions (L x W x H): 33.6" x 22.2" x 16.7"

  • Weight: 290 lbs

  • CARB & EPA Compliant: Yes (Legal in all 50 states)

What’s Included?

  • Cummins Onan QG 5500 EVAP Commercial Mobile Generator (5.5HGJAD-6759+)

  • Fully Enclosed Sound-Reducing Housing & Integrated Muffler

  • User Manual, Installation Guide, & Specification Sheet

Ideal For:

  • Food Trucks & Mobile Kitchens – Powers refrigerators, cooking equipment, and air conditioning units.

  • Work Trucks & Utility Vehicles – Provides power for tools, lighting, and industrial equipment.

  • Mobile Medical Units & Emergency Vehicles – Supplies clean, stable power for sensitive medical devices.

  • Construction & Job Site Applications – Runs compressors, saws, drills, and heavy machinery.

  • Mobile Offices & Specialty Vehicles – Ensures continuous power for business operations on the go.

The Cummins Onan QG 5500 Commercial Mobile Generator is a powerful, fuel-efficient, and ultra-reliable solution for food trucks, job sites, mobile workspaces, and specialty vehicles that require stable 120/240V power in demanding environments.

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