Diesel Generators
Generator 20kW 1Ph Isuzu Tier 4F Env
Our compact and portable single-phase WhisperWatt Super-Silent Generators come fully equipped with just about every control and convenience feature imaginable. They are great sources of power for many applications including construction and residential. The DCA20SPXU4F is a 20 kW Single Phase generator with 1.0 power factor and 12/240 volt output.
Among the many features, it includes a sound attenuated, weatherproof steel housing with an easy to maintain design that offers direct access to all filters and drain extensions.
A mechanical governor maintains a steady state 60 Hz within 3-5% from no load to full load.
It features an auto start stop that allows the generator to start from a remote location.
The unit has an easy to read control panel that includes an ammeter, frequency meter, AC circuit breaker and other analog instrumentation.
Reserve Diesel Generators Online Now.
Unit Specifications
| Prime Rating | 20 kW |
|---|---|
| Standby Rating | 22 kW |
| Generator RPM | 1800 |
| Voltage - Single Phase | 120/240 V |
| Generator Design | Revolving field, Self-ventilated, Drip-proof, Single bearing |
| Voltage Regulation (No Load to Full Load) | ±0.5% |
| Power Factor | Series |
| Armature Connection | Series |
| Excitation | Brushless with AVR |
| No. Poles | 4-pole |
| Frequency | 60 Hz |
| Frequency Regulation (steady state load) | ±3-5% |
| Sound Level (Full Load at 23 ft.) | 65 dB(A) |
Engine Specifications
| Make/Model | Isuzu 4L32T |
|---|---|
| Emissions | Tier 4 Final |
| Starting System | Electric |
| Design | 4-Cycle Water-Cooled, Direct Injection, Charge Air Cooled, EGR, DOC |
| Gross Engine Power Output | 40.2 bhp · 29.9 kW |
| Fuel Tank Capacity | 41.7 gal · 158 L |
Fuel Consumption
| Full load | 1.62 gph · 6.1 lph |
|---|---|
| 3/4 load | 1.26 gph · 4.7 lph |
| 1/2 load | 0.94 gph · 3.5 lph |
| 1/4 load | 0.67 gph · 2.5 lph |
| Coolant Capacity | 2.3 gal · 8.8 L |
| Oil Capacity | 2.28 gal · 8.8 L |
| Battery | 12V 53Ah x 1 |
TRLR25US2 Trailer Specifications
| Gross Vehicle Weight Rating (GVWR) | 3,500 lb · 1,588 kg |
|---|---|
| Gross Axle Weight Rating (GAWR) (ea.) | 3,500 lb · 1,588 kg |
| Coupler Rating | 3" Pintle Eye (25,000 lb) |
2" Ball Coupler (10,000 lb) 2-5/16" Ball Coupler (14,000 lb)
| Tire Size | ST205/75D14 LR-C |
|---|---|
| Tire Load Rating (ea.) | 1,760 lb · 789 kg |
| Wheel Bolt Pattern | 5 Lug |
| Fits MQ Power Generator Models | DCA20SPXU4F, DCA25USI4CAN, DCA25SSIU4F |
TRLR25US2 Dimensions & Weights
| Overall Length | 105.79 in · 2,687 mm |
|---|---|
| Overall Width | 56.18 in · 1,427 mm |
| Overall Height | 20.85 in · 529.6 mm |
Operating Weight
| Without Fuel | 444 lb · 201 kg |
|---|
TRLR75XF2 Trailer Specifications
| Gross Vehicle Weight Rating (GVWR) | 7,000 lb · 3,175 kg |
|---|---|
| Gross Axle Weight Rating (GAWR) (ea.) | 3,500 lb · 1,588 kg |
| Coupler Rating | 3" Pintle Eye (25,000 lb) 2" Ball Coupler (10,000 lb) 2-5/16" Ball Coupler (14,000 lb) |
| Tire Size | ST205 / 75D15 LR-C |
| Tire Load Rating (ea.) | 1820 lb · 826 kg |
| Wheel Bolt Pattern | 5 Lug on 4.5 in |
| Fuel Tank Capacity | 100 gal · 378.54 L, Combined Tank Runtime: |
| 50% Load | 148 h |
| 100% Load | 103 h |
| Fits MQ Power Generator Models | DCA70SSJU4F, DCA70SSIU4F, DCA45SSIU4F, DCA40SSKU4F2, DCA36SPXU4F, DCA25SSIU4F, DCA20SPXU4F, DCA15SPXU4F, DCA10SPXU4C, TLG8SSK4F2, DA7000SSA3 |
TRLR75XF2 Dimensions & Weights
| Overall Length | 151.3 in · 3843 mm |
|---|---|
| Overall Width | 69.3 in · 1760 mm |
| Overall Height | 24.8 in · 599 mm |
Operating Weight
| With Fuel | 2,077 lb · 942 kg |
|---|---|
| Without Fuel | 1,366 lb · 619.6 kg |
Notice: Features and equipment specifications are subject to change without notice.
Rental rates
| Rental period | Rate |
|---|---|
| Daily | $299 |
| Weekly | $897 |
| Monthly (4 weeks) | $2,392 |
Rates as of August 2026 — please call (415) 644-5792 to confirm current pricing and availability. Long-term and custom rates available.
Reserve this equipment
Delivery, setup and support across the San Francisco Bay Area.