HomeKohlerKohler KD1250-E

Kohler KD1250-E Generator Set

The Kohler KD1250-E is a 909 kW (1136 kVA) standby generator set powered by a Kohler KD36V16-5AES engine. It is available at 400 V and 230 V, 3-phase and 50 Hz. It holds about 152 L (40.2 gal) of oil and 124 L (32.8 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 6800×2160×2753 mm (267.7×85.0×108.4 in), weighs about 11600 kg (25574 lb) and produces 88 dBA. An integrated tank holds 432 L (114.1 gal).

909 kW
Standby
35.96 L
Displacement
152.0 L
Oil capacity
1
Document types

How to read your Kohler serial & model number →

Service parts for the KD1250-E

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

Air intake

1 required

Oil system

1 required

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

Specifications

Frequency50.0 Hz
Standby power909 kW
Standby kVA1136
ControllerAPM403, APM802, M80-D
Oil capacity152.0 L
AlternatorKH04070T
Voltage options400 V, 230 V
Phase3
Power factor0.8
Coolant capacity124 L
Max ambient50 °C
Dimensions (L×W×H)6800×2160×2753 mm
Dry weight11600 kg
Sound level88.0 dBA
Fuel tank432.0 L

Engine

Kohler KD36V16-5AES
Displacement35.96 L
AspirationTurbo
Rated speed1500 rpm

Maintenance & consumables

for the Kohler KD36V16-5AES
ItemSpecCapacityPart #Interval
Air filter10801001001 Amazon $100.01 eBay
Fuel filter
Oil filter230510001 Amazon $120.65 eBay $40.80
Battery
Belt
Coolant124.0 L
Oil152.0 L
Spark plug

Common questions

What is the power rating of the Kohler KD1250-E?

The Kohler KD1250-E is rated 909 kW standby (1136.0 kVA).

What engine does the Kohler KD1250-E use?

The Kohler KD1250-E is powered by the Kohler KD36V16-5AES engine.

What alternator comes on the Kohler KD1250-E?

The Kohler KD1250-E uses a KH04070T alternator.

What oil filter fits the Kohler KD1250-E?

The Kohler KD1250-E uses oil filter part number 230510001.

What air filter does the Kohler KD1250-E use?

The Kohler KD1250-E uses air filter part number 10801001001.

Fuel consumption

RatingLoadL/hgal/h
Prime258.168.18
Standby237.062.61

Available documents

Spec sheet — Kohler KD1250E Technical Information (Kohler)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter 10801001001$100.01
Oil filter 230510001$40.80
2 priced items$140.81