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Generac MTP4000S Generator Set

The Generac MTP4000S is a 48.8 kW standby generator set powered by a Deutz D2.9 engine. It is available at 12 V. Starting uses 1 group-24 battery rated 850 CCA at 12 V.

48 kW
Standby
2.9 L
Displacement
1
Document types

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Specifications

Standby power48 kW
Prime power48 kW
Emissions4f
Voltage options12 V
Battery group24
Battery cranking850 CCA
Battery voltage12V V
Battery quantity1

Engine

Deutz D2.9
Displacement2.9 L
AspirationNatural
Rated speed2600 rpm

Maintenance & consumables

for the Deutz D2.9
ItemSpecCapacityPart #Interval
Air filterReplace with a new air filter1000 hr
Fuel filterReplace with a new fuel filter500 hr
Oil filterReplace with a new oil filter100 hr
BatteryRemove negative battery cable before performing any service on unit.10000 hr
BeltInspect and replace as necessary
CoolantReplace coolant as needed, or every two years
OilSAE 15W-40 or equivalent25 hr
Spark plugReplace spark plugs every 50 hours or as needed50 hr

Common questions

How many kW is the Generac MTP4000S?

The Generac MTP4000S is rated 48 kW standby.

Which engine powers the Generac MTP4000S?

The Generac MTP4000S is powered by the Deutz D2.9 engine.

Parts

4
Part #DescriptionQtySystem
01626Left Side (4 Inch Pump Shown)Pump Amazon eBay
01627Right Side (4 Inch Pump Shown)Pump Amazon eBay
01521Unit DimensionsService part / kit Amazon eBay
01537Control PanelService part / kit Amazon eBay

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
Standby50%4.351.15
Standby75%6.551.73
Standby100%8.712.3

Available documents

Operator's manual — 31651 (Generac)