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Diesel Generators for Rent

Satisfy all your remote site power, emergency backup or temporary power needs with our extensive lineup of diesel generators. We offer a variety of models from industry-leading manufacturers such as Generac, Wacker Neuson, Doosan, Cummins and more.

For our full list of diesel generators for rent, view the items below. For more information about diesel generators, visit our resource section.

White and black Generac Mobile diesel powered generator
Cat Class Code
240-3111

13 kW Towable Generator, Tier 4 Diesel

  • 13 kW
  • Towable generator
  • Tier 4 diesel
  • 240V
  • Uses: Ideal for smaller jobsites and applications, like powering trailers or project equipment
White Multiquip towable diesel powered generator attached to trailer

Lower Diesel Emissions

Cat Class Code
240-3127

11-22 kW Towable Generator, Tier 4 Diesel

  • 11-22 kW
  • Towable generator
  • Tier 4 diesel
  • 120/240V
  • Uses: Ideal for powering commercial trailers, worksites or special events
White Wacker-Neuson 20kW towable generator
Cat Class Code
240-3131

20-25 kW Towable Generator, Tier 4 Diesel

  • 20-25 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for temporary or mobile jobsites, events and projects
White Multiquip towable tier 4 diesel powered generator attached to trailer

Lower Diesel Emissions

Cat Class Code
240-3132

16-25 kW Towable Generator, Tier 4 Diesel

  • 16-25 kW
  • Towable generator
  • Tier 4 diesel
  • 240/480/600V
  • Uses: Ideal as a temporary power solution, like powering equipment and tools
White Allmand Generator

Lower Diesel Emissions

Cat Class Code
240-3137

24-30 kW Towable Generator, Diesel

  • 24-30 kW
  • Towable generator
  • Diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal as a remote power solution or emergency backup
White Multiquip towable tier 4 diesel powered generator attached to trailer with compartment doors open

Lower Diesel Emissions

Cat Class Code
240-3147

30-35 kW Towable Generator, Tier 4 Diesel

  • 30-35 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for standby, backup, emergency or temporary power
White and black Generac Mobile Tier 4 diesel powered generator

Lower Diesel Emissions

Cat Class Code
240-3157

36-40 kW Towable Generator, Tier 4 Diesel

  • 36-40 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for flexible power applications and needs
Wacker white towable electric generator

Lower Diesel Emissions

Cat Class Code
240-3167

40-45 kW Towable Generator, Tier 4 Diesel

  • 40-45 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for powering commercial worksites and special events or as an emergency solution
Black and white JCB 70-80 KVA Tier 4 towable generator

Lower Diesel Emissions

Cat Class Code
240-3187

56-64 kW Towable Generator, Tier 4 Diesel

  • 56-64 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for heavy-duty applications with 24-hour run times
Generator Diesel 68-71 kW
Cat Class Code
240-3196

65-70 kW Towable Generator, Tier 4 Diesel

  • 65-70 kW
  • Towable generator
  • Tier 4 diesel
  • 120/208/240V or 277/480V depending on model
  • Uses: Ideal as an emergency energy or backup power solution, whether it's a hospital, office or construction site
White and black Generac Mobile 80kw towable generator

Lower Diesel Emissions

Cat Class Code
240-3212

80 kW Towable Generator, Tier 4 Diesel

  • 80 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for providing lasting energy or reliable backup power
Generator Pack Shot
Cat Class Code
240-3225

106 kW Towable Generator, Diesel

  • 106 kW
  • Towable generator
  • Diesel
  • 208/240/440/480V
  • Uses: Ideal as an emergency energy or backup power solution, whether it's a hospital, office or construction site
White 100kW Towable Diesel Generator
Cat Class Code
240-3231

100-119 kW Towable Generator, Diesel

  • 100-119 kW
  • Towable generator
  • Diesel power
  • 120/240V 1Ph, 277/480V 3Ph or 120/208V 3Ph
  • Uses: This 4-cycle diesel engine is ideal for jobsites that require maximum durability
Black and white JCB 125-149 KVA Tier 4 towable generator

Lower Diesel Emissions

Cat Class Code
240-3232

100-127 kW Towable Generator, Tier 4 Diesel

  • 100-127 kW
  • Towable generator
  • Tier 4 diesel
  • 277/480V, 139/240V or 120/208V 3Ph or 120/240V 1Ph
  • Uses: Ideal as a temporary power or emergency backup solution
White 125kW towable generator
Cat Class Code
240-3251

120-140 kW Towable Generator, Tier 4 Diesel

  • 120-140 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal as a remote or temporary power solution in a wide variety of jobsites
White 150kW towable generator
Cat Class Code
240-3256

150-159 kW Towable Generator, Tier 4 Diesel

  • 150-159 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal as a remote or temporary power solution in varying climates
White and red Cummins Tier 4 towable generator

Lower Diesel Emissions

Cat Class Code
240-3257

145-159 kW Towable Generator, Tier 4 Diesel

  • 145-159 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal as a remote or temporary power solution in varying climates
White 175kW Towable Generator
Cat Class Code
240-3286

175-199 kW Towable Generator, Diesel

  • 175-199 kW
  • Towable generator
  • Diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for maximum durability and reliability, with a 4-cycle diesel engine
White 200kW towable generator
Cat Class Code
240-3301

200-239 kW Towable Generator, Diesel

  • 200-239 kW
  • Towable generator
  • Diesel
  • 120/240V 1Ph, 277/480V 3Ph or 120/208V 3Ph
  • Uses: Ideal for versatile worksites that require durable equipment
White and red Cummins Tier 4 towable generator

Lower Diesel Emissions

Cat Class Code
240-3303

160-200 kW Towable Generator, Tier 4 Diesel

  • 160-200 kW
  • Towable generator
  • Tier 4 diesel
  • 208/240/480V
  • Uses: Ideal as an emergency energy or backup power solution, whether it's a hospital, office or construction site
White 250kW towable generator
Cat Class Code
240-3311

250-279 kW Towable Generator, Tier 4 Diesel

  • 250-279 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for standby, municipal and mobile applications
White and red Cummins 275 kW towable generator

Lower Diesel Emissions

Cat Class Code
240-3313

250-279 kW Towable Generator, Tier 4 Diesel

  • 250-279 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for powering large-scale applications, like construction sites and hospitals
White and red Cummins 300kW towable generator
Cat Class Code
240-3321

300-320 kW Towable Generator, Tier 4 Diesel

  • 300-320 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for large-scale applications, backup power or mobile projects.
White 500kW Industrial Mobile Generator
Cat Class Code
240-3410

480-549 kW Towable Generator, Tier 4 Diesel

  • 480-549 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: Ideal for powering large-scale applications, like construction sites and hospitals
White Cummins Tier 4 towable generator

Lower Diesel Emissions

Cat Class Code
240-3412

480-549 kW Towable Generator, Tier 4 Diesel

  • 480-549 kW
  • Towable generator
  • Tier 4 diesel
  • Voltages 120/208, 120/240, 277/480V based on model
  • Uses: This generator is Ideal for large-scale applications, like weddings and construction sites
White Multiquip Towable diesel generator
Cat Class Code
240-3711

175 kW Towable Generator, Diesel

  • 175 kW
  • Towable generator
  • #2 diesel fuel
  • 120/240V, 120/208V and 277/480V
  • Uses: Ideal for powering mid-size productions, concerts and special events
White and red Cummins 2,000 kW industrial mobile generator
Cat Class Code
240-4065

1,600-2,000 kW Towable Generator, Diesel

  • 1,600-2,000 kW
  • Towable generator
  • #2 diesel fuel
  • 480V standard, 600V optional
  • Uses: Ideal for providing lasting energy to large worksites, like construction sites or large offices
White and red 1,000 kW towable generator
Cat Class Code
240-4051

800-1,000 kW Towable Generator, Diesel

  • 800-1,000 kW
  • Towable generator
  • Diesel
  • 280/208V
  • Uses: Ideal for planned and unplanned utility outages, large industrial applications, and critical facilities seeking utility-grade power
White and red Cummins 1,500 kW industrial mobile generator
Cat Class Code
240-4060

1,200-1,500 kW Towable Generator, Diesel

  • 1,200-1,500 kW
  • Towable generator
  • Diesel
  • 277/240V
  • Uses: Ideal for powering large-scale applications, like construction sites and hospitals
White 1,600kW towable generator
Cat Class Code
240-4063

1,450-1,600 kW Towable Generator, Diesel

  • 1,450-1,600 kW
  • Towable generator
  • Diesel
  • 480V standard, 600V optional
  • Uses: Ideal for powering large events, construction sites or oil and gas operations
Resources

FAQs About Diesel Generators

Our fleet of commercial diesel generators for rent are construction grade and loaded with quality features that meet even the most demanding power generation applications. Our towable generators are complete with durable, sound-attenuated enclosures that provide quiet operation, suitable for various projects, noise requirements and working environments. We also carry larger, industrial mobile generators mounted on highway-legal trailers for maximum portability and convenience. Our towable diesel generators can produce power from 13 kilowatts to 1,600 kilowatts, perfect for all your temporary power needs. Explore our inventory above or contact a United Rentals power expert to assist you in finding the right diesel generator rental for your needs.

Learn more about diesel generators in the FAQ section below.

FAQs
How much fuel does a diesel generator use?

The fuel consumption of a diesel generator depends on its size, power output and load. On average, a diesel generator uses about 0.4 to 0.8 gallons of fuel per hour for every 10 kilowatts (kW) of power produced. To estimate the fuel usage for your generator, consult the manufacturer's specifications or contact our team for additional information.

How do diesel generators compare to propane generators?

When comparing diesel-fueled generators to propane-powered generators, there are various factors to consider, including emissions, fuel costs, convenience and more. Learn all about the pros and cons of propane versus diesel generators in our Project Uptime article.

How long can a diesel generator run continuously?

Diesel generators are often equipped with a 24-hour fuel tank, and some even come with a 48- to 72-hour tank. Speak with a United Rentals representative to determine what capacity tank you need from your generator rental. Make sure to closely follow all safety guidelines and keep generators positioned outside and away from open windows to prevent dangerous levels of carbon monoxide from entering any homes or businesses.

 

Generators in Action