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Kubota GL14000-USA Generator Set

The Kubota GL14000-USA is a 14 kW (12 kVA) Diesel standby generator set powered by a Kubota D902 engine. It is available at 120/240 V, 60 Hz and rated 120 A. It holds about 3 L (0.8 gal) of oil and 4.1 L (1.1 gal) of coolant, with a maximum ambient rating of 40 °C. The set measures 1310×640×895 mm (51.6×25.2×35.2 in) and weighs about 410 kg (904 lb). An integrated tank holds 36.4 L (9.6 gal). The same D902 engine also powers generator sets from Atlas Copco, Fischer Panda, MQ Power and Vmac.

14 kW
Standby
0.898 L
Displacement
3.0 L
Oil capacity
2
Document types

How to read your Kubota serial & model number →

Typical fuel consumption for 10–15 kW Diesel generators →

Compare with other 10–15 kW Diesel generators →

Service parts for the GL14000-USA

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

Air intake

1 required

Oil system

1 required
R1/2Oil filterfind

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

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power14 kW
Prime power12 kW
Oil capacity3.0 L
Voltage options120/240 V
Rated current[{'voltage': 120, 'current': 50}, {'voltage': 240, 'current': 50}] A
Power factor1.0
Battery voltage12 V
Battery quantity36
Coolant capacity4.1 L
Max ambient40 °C
Dimensions (L×W×H)1310×640×895 mm
Dry weight410 kg
Fuel tank36.4 L

Engine

Kubota D902
Oil capacity3.0 L
Coolant capacity4.1 L
Displacement0.898 L
AspirationWater cooled
Rated speed3600 rpm

Maintenance & consumables

for the Kubota D902
ItemSpecCapacityPart #Interval
Air filterRG158429301000 hr Amazon eBay $15.50 PartsGeek $23.97 FridayParts $16.50
Fuel filter500 hr
Oil filterDrain Plug (R1/2)R1/2 buy
Battery24000 hr
Belt500 hr
Coolant5.024000 hr
Coolant filter
Oil3.6100 hr
Spark plug1000 hr

Compatible filters for the Kubota D902 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Fuel filter: Kubota 1258143013 Kubota 1522143081 Donaldson P550012 Donaldson P551039 Donaldson P550127

Common questions

How many kW is the Kubota GL14000-USA?

The Kubota GL14000-USA is rated 14 kW standby.

Which engine powers the Kubota GL14000-USA?

The Kubota GL14000-USA is powered by the Kubota D902 engine.

Is the Kubota GL14000-USA diesel or gas?

The Kubota GL14000-USA runs on Diesel.

What's the oil capacity on a Kubota GL14000-USA?

The Kubota D902 engine in the Kubota GL14000-USA has an oil capacity of 3.0 liters.

What oil filter fits the Kubota GL14000-USA?

The Kubota GL14000-USA uses oil filter part number R1/2.

What fuel filter fits the Kubota GL14000-USA?

The Kubota GL14000-USA uses fuel filter part numbers KUBOTA 1258143013, KUBOTA 1522143081.

What air filter does the Kubota GL14000-USA use?

The Kubota GL14000-USA uses air filter part number RG15842930.

Parts

8
Part #DescriptionQtySystem
100-0245-000Air Filter1Air filter Amazon
100-0247-000Fuel Filter1Fuel filter Amazon eBay
100-0248-000Belt1Belt Amazon eBay
100-0368-000Oil Filter1Oil filter Amazon eBay
100-0369-000Coolant Filter1Coolant filter Amazon eBay
100-0370-000Spark Plug1Spark plug Amazon
R1/2Drain Plug (R1/2)Oil filter buy
W0301-00008Starter Key (2 pieces)2Starter 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.

Available documents

Reference — FAQ KTC-Dealers-2025-2 (Kubota)Service manual — Kubota LowBoyPro Diesel Generator GL14000 Operator Manual (Kubota)
Full service, cheapest listings

Priced items from this model's own parts manual.

Air filter RG15842930$15.50
1 priced item$15.50