Sizes / 20 kW

20 kW generator rental

A 25 kVA towable diesel generator — good for homes during an outage, site trailers and small events. Delivered on its trailer, picked up when you are done.

from $300 / day · $750 / week · $1,700 / 4 weeks

Compact towable generator parked in a house driveway with a power cord running to an inlet box on the wall

The numbers

Prime output
20 kW / 25 kVA
Diesel at ¾ load
~1.4 gal/hr
Tank
~60 gal · ~43 hr
Weight, towing
~3,000 lb
240 V single-phase
~83 A
208 V three-phase
~69 A
480 V three-phase
~30 A

Typical for the class; each unit differs a little. We confirm the exact unit with your quote.

What it runs

  • A house during a power shutoff: fridge, freezer, lights, internet, a well pump, one window AC
  • A job-site trailer with heat or AC and the office gear
  • A food truck row or a small outdoor event: sound, lights, a few vendors
  • Hand tools, a small welder, a light tower or two

Not sure it is enough? Add up the loads with our sizing guide, or send us the list and we size it. A diesel run far below its rating for weeks wet-stacks, so bigger is not always safer.

Often rented for

Rates next to the other sizes

SizeGood forDayWeek4 weeks
20 kW
25 kVA
homes during an outage, site trailers and small events from $300 from $750 from $1,700
36 kW
45 kVA
bigger homes, small businesses and mid-size events from $350 from $900 from $2,000
56 kW
70 kVA
small commercial buildings, film basecamps and festival stages from $475 from $1,200 from $3,000
100 kW
125 kVA
whole small businesses and large events from $650 from $1,700 from $4,200
150 kW
190 kVA
mid-size commercial buildings and standby replacement from $750 from $2,200 from $5,200
200 kW+
250 kVA
whole buildings and industrial loads, up to megawatts with paralleled units from $950 from $2,800 from $7,500

One shift (8 engine hours a day). Delivery, fuel, cables, damage waiver and tax are quoted with the rent, in one all-in number. What the price includes

Questions

How long does a 20 kW generator run on a tank?

About 43 hours at three-quarters load on its roughly 60-gallon tank (1.4 gallons an hour). At a lighter load it runs longer. For around-the-clock use we add refills or an external tank.

What does it take to tow a 20 kW generator?

It weighs about 3,000 lb with fuel and trailer — a half-ton pickup with a 2-inch ball. Most customers have it delivered; billing includes delivery and pickup.

Single-phase or three-phase?

Both. The unit switches between 120/240 V single-phase (about 83 A) and 208 V or 480 V three-phase. Your electrician sets it to match your service.

How much is a 20 kW generator rental?

From $300 a day, $750 a week or $1,700 for 4 weeks on one shift, plus delivery and fuel. You get one all-in price before you commit.

Delivered in

Before you rent

Quote in about 30 minutes

Get a quote

Tell us what has to run, where and for how long. We find a unit at a yard near you and text you back one all-in price: rent, delivery, fuel plan, cables.

  • Not sure of the size? Pick "Not sure" — we work it out from your list
  • A photo of the main panel or the equipment plates helps; we may text you for it
  • No payment and no commitment until you say yes to the price
  • We answer within 30 minutes, 7 am to 9 pm, every day