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MQ Power DCA125USI Generator Set

The MQ Power DCA125USI is a 110 kW (137.5 kVA) standby generator set powered by a Isuzu 4HK1XYGD-03 Tier 3 engine. It operates at 60 Hz. It holds about 23.4 L (6.2 gal) of oil and 19.7 L (5.2 gal) of coolant.

110 kW
Standby
5.193 L
Displacement
23.4 L
Oil capacity
1
Document types

How to read your MQ Power serial & model number →

Service parts for the DCA125USI

Grouped by system, with how many of each the parts manual calls for.

Air intake

1 required

Fuel system

1 required
DCA125USI-003Fuel filtersee priceAmazon

Oil system

1 required

Belts

1 required

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

Frequency60.0 Hz
Standby power110 kW
Standby kVA137
Prime power100 kW
Oil capacity23.4 L

Engine

Isuzu 4HK1XYGD-03 Tier 3
Oil capacity23.4 L
Coolant capacity19.7 L
Displacement5.193 L
Aspirationwater-cooled, direct injection, turbocharged, air to air intercooled
Rated speed1800 rpm

Maintenance & consumables

for the Isuzu 4HK1XYGD-03 Tier 3
ItemSpecCapacityPart #Interval
Air filterperiodic cleaning/replacement is necessary. Inspect it in accordance with the ISUZU Engine Owner’s Manual.WP10186 Amazon eBay $39.99 KuduParts $48.00
Fuel filterFuel FilterDCA125USI-003 Amazon eBay
Oil filter1134202322100 hr Amazon eBay $39.99 KuduParts $48.00
BatteryCheck acid level and replace if necessary.250 hr
BeltBelt321098765 Amazon eBay
Coolantwhen adding coolant to the radiator, DO NOT remove the radiator cap until the unit has completely cooled. See Table 12 for engine, radiator, and recovery tank coolant capacities.
OilChange at 100 hours, first time only.100 hr
Spark plugNot specified in the document.

Common questions

How many kW is the MQ Power DCA125USI?

The MQ Power DCA125USI is rated 110 kW standby (137.5 kVA).

What engine does the MQ Power DCA125USI use?

The MQ Power DCA125USI is powered by the Isuzu 4HK1XYGD-03 Tier 3 engine.

What's the oil capacity on a MQ Power DCA125USI?

The Isuzu 4HK1XYGD-03 Tier 3 engine in the MQ Power DCA125USI has an oil capacity of 23.4 liters.

What oil filter fits the MQ Power DCA125USI?

The MQ Power DCA125USI uses oil filter part number 1134202322.

What fuel filter does the MQ Power DCA125USI use?

The MQ Power DCA125USI uses fuel filter part number DCA125USI-003.

Which air filter part number does the MQ Power DCA125USI take?

The MQ Power DCA125USI uses air filter part number WP10186.

Parts

6
Part #DescriptionQtySystem
321098765Belt1Belt Amazon eBay
432109876Spark Plug1Spark plug Amazon eBay
DCA125USI-001Air Cleaner Element1Air filter Amazon
DCA125USI-002Oil Filter1Oil filter Amazon
DCA125USI-003Fuel Filter1Fuel filter Amazon eBay
DCA125USI60 HZ GEN.1Service part / kit Amazon

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime25%1.60.6
Prime50%2.40.9
Prime75%4.01.5

Available documents

Parts manual — Generators-portable-ultrasilent-DCA125USI-rev-1-60-hz-manual (MQ Power)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter WP10186$39.99
Oil filter 1134202322$39.99
2 priced items$79.98