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Kubota J 310 Generator Set

The Kubota J 310 is a 17.6 kW (17.6 kVA) Diesel standby generator set powered by a Kubota V1305 engine. It is available at 220 V, single-phase, 50 Hz and rated 72.7 A. It holds about 4.3 L (1.1 gal) of oil and 3.5 L (0.9 gal) of coolant. Starting uses 1 group-12 battery at 12 V. The set measures 1300×611×922 mm (51.2×24.1×36.3 in), weighs about 380 kg (838 lb) and produces 77.5 dBA at 7 m. An integrated tank holds 79 L (20.9 gal), roughly 12.9 hours of runtime. The same V1305 engine also powers generator sets from Cummins/Onan.

17.6 kW
Standby
1.335 L
Displacement
4.3 L
Oil capacity
1
Document types

How to read your Kubota serial & model number →

Typical fuel consumption for 15–20 kW Diesel generators →

Compare with other 15–20 kW Diesel generators →

Service parts for the J 310

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

Fuel system

1 required
1522143081Fuel filter$37.58eBay

Oil system

1 required

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power17.6 kW
Standby kVA17
Prime power16 kW
Oil capacity4.3 L
AlternatorN/A (2-pole)
Voltage options220 V
PhaseSingle
Rated current72.7 A
Power factor1.0
Circuit breaker91 A
Battery group12 V (55 Ah)
Battery voltage12 V
Battery quantity1
Coolant capacity3.5 L
Max ambient0 °C
Dimensions (L×W×H)1300×611×922 mm
Dry weight380 kg
Sound level77.5 dBA @ 7 m
Fuel tank79.0 L
Tank runtime12.9 hr

Engine

Kubota V1305
Oil capacity4.3 L
Coolant capacity5.0 L
Displacement1.335 L
Aspiration4-Stroke Cycle, Indirect Injection, Water Cooled Diesel
Rated speed3000 rpm

Filters for the Kubota V1305

4

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Oil filterP550162Lube Filter, Spin-On Full FlowKUBOTA 1524132040, KUBOTA 1542132090, NAPA 1301, NAPA 1334 FridayParts $10.50
Oil filterP550227Lube Filter, Spin-On Full FlowKUBOTA 1521332430, KUBOTA 6602136060, LPM 00013505345, WALGAHN-MOTORENTECHN 00811292 KuduParts $18.00 FridayParts $20.25
Fuel filterP550012Fuel Filter, In-LineKUBOTA 1258143010, KUBOTA 1258143011, BALDWIN BF840-K1, RENAULT VI 0005490862 KuduParts $13.00 FridayParts $15.50
Fuel filterP550127Fuel Filter, Spin-OnKUBOTA 1522143170, KUBOTA 1522143171, NAPA 3390, WALGAHN-MOTORENTECHN 00811936 KuduParts $16.00

Same engine, other brands

1 brand

The Kubota V1305 in this set also powers 3 generator sets sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Cummins/OnanMDKAA, MDKAW, MDKB

Maintenance & consumables

for the Kubota V1305
ItemSpecCapacityPart #Interval
Air filterN/A—500 hr
Fuel filterN/A1522143081500 hr Amazon eBay $37.58 KuduParts $13.00 FridayParts $15.69
Oil filterN/A1584132431500 hr Amazon eBay $17.99 PartsGeek $10.97 FridayParts $20.00
Battery12 V (55 Ah)—500 hr
BeltN/A—500 hr
OilAPI CD5.7 l—100 hr

Compatible filters for the Kubota V1305 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Kubota K318182240 Kubota K318182250 Donaldson P778979 Donaldson P780018 Wix 49978

Common questions

What is the power rating of the Kubota J 310?

The Kubota J 310 is rated 17.6 kW standby (17.6 kVA).

Which engine powers the Kubota J 310?

The Kubota J 310 is powered by the Kubota V1305 engine.

Is the Kubota J 310 diesel or gas?

The Kubota J 310 runs on Diesel.

What is the oil capacity of the Kubota J 310?

The Kubota V1305 engine in the Kubota J 310 has an oil capacity of 4.3 liters.

How much coolant does the Kubota J 310 hold?

The Kubota J 310 cooling system holds 3.5 liters (0.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Kubota J 310?

The Kubota J 310 is rated 16 kW prime (16 kVA), against 17.6 kW standby.

What is the sound level of the Kubota J 310?

The Kubota J 310 is rated at 77.5 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Kubota J 310?

The Kubota J 310 has a dry weight of 380 kg (837 lb).

What size fuel tank does the Kubota J 310 have?

The Kubota J 310 has a 79 liter (21 US gallon) fuel tank, giving about 12.9 hours of runtime.

What voltages is the Kubota J 310 available in?

The Kubota J 310 is offered in 220 V, Single-phase.

What size battery does the Kubota J 310 need?

The Kubota J 310 uses 1 battery, 12 V each, group 12 V (55 Ah), per the manufacturer specification sheet.

What alternator comes on the Kubota J 310?

The Kubota J 310 uses a N/A alternator. It has 2 poles.

What oil filter does the Kubota J 310 use?

The Kubota J 310 uses oil filter part number 1584132431.

What fuel filter does the Kubota J 310 use?

The Kubota J 310 uses fuel filter part number 1522143081.

Which air filter part number does the Kubota J 310 take?

The Kubota J 310 uses air filter part numbers KUBOTA K318182240, KUBOTA K318182250.

Parts

24
Part #DescriptionQtySystem
122-0810Filter, Oil1Oil filter Amazon eBay $12.39 NAPA $3.59
132-0349Impeller kit w/cover & gasket1Impeller Amazon eBay NAPA $29.60 FridayParts $27.99
132-0375Impeller1Impeller Amazon eBay FridayParts $26.00
132-0379Kit, Minor Service (Includes Parts Marked *)1Impeller Amazon eBay $29.95
149-2106Element1Fuel filter Amazon eBay $34.99 NAPA $61.61 KuduParts $68.00
185-5421Plug, Glow2Glow plug Amazon eBay $35.00
185-5835Filter, Oil1Oil filter Amazon eBay $21.78 NAPA $3.59 FridayParts $20.19
185-5990Glow plug4Glow plug Amazon eBay $55.74
185-672524V Glow Plugs4Glow plug Amazon eBay
185-6934Belt, Fan (37.5")1Belt Amazon eBay $70.52
185-7268Glow Plug (24 Volt)3Glow plug Amazon eBay
300-1500Fuel Filter1Fuel filter Amazon
323-1544Thermostat1Thermostat Amazon eBay
324-1491Oil Filter1Oil filter Amazon eBay
324-1542Fuel Injection Pump1Pump Amazon eBay
511-0201Belts (24V)1Belt Amazon eBay $19.99
612-6673Water Pump1Pump Amazon eBay
100-3459-01Engine Assy, Replacement (12V)1Service part / kit Amazon eBay
100-3459-02Engine Assy, Replacement (24V)1Service part / kit Amazon eBay
100-3478-02Cruise Kit2Service part / kit Amazon eBay
100-3478-04Cruise Kit1Service part / kit Amazon eBay
130-4434Pencil, Zinc1Service part / kit Amazon eBay $34.17 NAPA $23.21
185-6721Element, Breather1Service part / kit Amazon eBay
185-7245Block, Cylinder1Service part / kit Amazon eBay NAPA $234.89

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%1.60.4
Prime50%2.30.6
Prime75%3.40.9
Prime100%5.31.4
Standby25%3.10.8
Standby50%4.01.1
Standby75%4.91.3
Standby100%6.11.6

Available documents

Parts manual — Kubota 50Hz Generator SP (Kubota)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

Full service, cheapest listings

Priced items from this model's own parts manual.

Fuel filter 1522143081$37.58
Oil filter 1584132431$10.97
2 priced items$48.55