G25WDO-3A-T4F – 25 kVA Mobile Generator

Manufacturer: Doosan Portable Power | Models: G25WDO-3A-T4F (Tier 4 Final)

Overview

Overview

The Doosan G25WDO-3A-T4F is a compact, ultra-quiet, and fuel-efficient mobile generator delivering 25 kVA (20 kW) of dependable prime power. Engineered for events, construction sites, emergency backup, and light industrial use, the G25 combines a Doosan D18 Tier 4 Final engine with a rugged, sound-attenuated enclosure to ensure reliable performance in demanding conditions.

With a 3-position voltage selector, switchable 50/60 Hz frequency, and a long 25.9-hour runtime, this generator is built for maximum uptime, flexibility, and ease of operation—making it a favorite in rental fleets and field operations.

Key Features

• 25 kVA / 20 kW prime output

• Multi-voltage capability: 480V • 240V • 208V 3Ø • 240/120V 1Ø

• 3-position voltage selector switch

• 50/60 Hz switchable

• Quiet operation: 63 dB(A) @ 23 ft

• Long runtime: 25.9 hours @ 100% load

• Tier 4 Final Doosan D18 engine

• Rental-ready, sound-attenuated steel enclosure

• Compact footprint and easy towing

• Ideal for events, construction, and emergency power

(All features confirmed from the spec sheet.)

Power Output Ratings

(Directly from the “Specifications” table)

Three Phase – 60 Hz

• 480V: 25 kVA (20 kW) — 30 A

• 240V: 25 kVA (20 kW) — 60 A

• 208V: 22 kVA (17 kW) — 61 A

Single Phase – 60 Hz

• 240V: 16.5 kVA / 16.5 kW — 69 A

• 120V: 16.5 kVA / 16.5 kW — 69 × 2 A

Three Phase – 50 Hz

• 400V: 20 kVA (16 kW) — 29 A

Frequency Capability

• 50/60 Hz switchable

Engine Specifications

(From page 2 engine data)

• Engine: Doosan D18

• Displacement: 1.794 L

• Cylinders: 3

• Power @ 1800 RPM: 33.5 HP (25 kWm)

• Emissions: Tier 4 Final

• Aftertreatment: DOC (no DEF required)

• Fuel Tank: 47 gal (177 L)

• Runtime @ 100% Load: 25.9 hours

Dimensions & Weight

(From dimensions table)

• Length: 130.5 in

• Width: 72.8 in

• Height: 76.6 in

• Weight (Ready-to-Run): 3,140 lb (1,424 kg)

Sound Performance

• 63 dB(A) @ 23 ft (7 m), 100% load
  

Applications

• Construction & small jobsite power

• Events & entertainment

• Light industrial loads

• Emergency & disaster response

• Remote site power

• Telecom and utility support

Why Choose the G25WDO-3A-T4F?

• Quiet, fuel-efficient, and highly portable

• Multi-voltage flexibility for any small-power application

• Tier 4 Final engine with no DEF system

• Long runtime minimizes refueling needs

• Rugged towable build for harsh jobsite conditions

• Perfect for rental fleets and field operations

Request More Information

Download the Product Spec Sheet or contact our sales team to learn more about rental or purchase options.