Home›John Deere›John Deere QAS 330

John Deere QAS 330 Generator Set

The John Deere QAS 330 is a 255 kW (319 kVA) prime generator set powered by a John Deere 6090HF485 engine. It is available at 480 V and 208 V, 3-phase, 60 Hz and rated 383 A. It holds about 34 L (9.0 gal) of oil and 38 L (10.0 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 2130×1430×3955 mm (83.9×56.3×155.7 in) and weighs about 3960 kg (8730 lb). An integrated tank holds 477 L (126.0 gal), roughly 7.5 hours of runtime. The same 6090HF485 engine also powers generator sets from Magnum.

9.0 L
Displacement
34.0 L
Oil capacity
0
Document types

How to read your John Deere serial & model number →

Service parts for the QAS 330

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

Oil system

1 required

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

Specifications

Frequency60.0 Hz
Standby kVA319
Prime power255 kW
Oil capacity34.0 L
AlternatorMecc Alte ECO 38 2L/N (12-pole, Class H insulation)
Voltage options480 V, 208 V
Phase3
Rated current383 A
Power factor0.8
Circuit breaker383 A
Coolant capacity38 L
Max ambient50 °C
Dimensions (L×W×H)2130×1430×3955 mm
Dry weight3960 kg
Fuel tank477.0 L
Tank runtime7.5 hr

Engine

John Deere 6090HF485
Oil capacity34.0 L
Coolant capacity38.0 L
Displacement9.0 L
Aspirationturbocharged, intercooled
Rated speed1500 rpm

Filters for the John Deere 6090HF485

5

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.

SystemFilterDescriptionCross-references
Oil filterP550938Lube Filter, CartridgeJOHN DEERE RE509672, JOHN DEERE RE530656, NAPA 1370, LIEBHERR 11212420 KuduParts $16.00
Fuel filterP550090Fuel Filter, In-LineJOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 FridayParts $45.66
Fuel filterP502392Fuel Filter, BoxJOHN DEERE N378886, BALDWIN BF7912, SEPAR 01030, SEPAR 01030HV FridayParts $39.99
Fuel / water separatorP552952Fuel Filter, Water Separator Spin-OnJOHN DEERE DZ130550, JOHN DEERE RE532952, NAPA 3969, BALDWIN BF9866-O FridayParts $59.99
Fuel / water separatorP551858Fuel Filter, Water Separator Spin-OnJOHN DEERE AT365869, JOHN DEERE RE503676, NAPA 3780, BALDWIN BF1265 FridayParts $39.00 KuduParts $48.00

Same engine, other brands

1 brand

The John Deere 6090HF485 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
MagnumMMG320

Maintenance & consumables

for the John Deere 6090HF485
ItemSpecCapacityPart #Interval
Air filterAir Filter—1500 hr
Fuel filterFuel Filter—2000 hr
Oil filterRE5382458803 hr Amazon eBay $39.99 NAPA $33.32 KuduParts $16.00
BatteryJohn Deere—500 hr
BeltFan Belt—2000 hr
CoolantJohn Deere Cool-Gard16.0 L—3000 hr
Coolant filterGlycol level in coolant—2000 hr
Oil—2000 hr
Spark plugSpark Plug—1000 hr

Compatible filters for the John Deere 6090HF485 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: John Deere RE587794 John Deere 4S00686R John Deere AH115833 John Deere F071151 John Deere F071150
  • Fuel filter: John Deere N378886 John Deere AR103220 John Deere RE522688 John Deere AT365869 John Deere RE539465

Common questions

What engine is in the John Deere QAS 330?

The John Deere QAS 330 is powered by the John Deere 6090HF485 engine.

What is the oil capacity of the John Deere QAS 330?

The John Deere 6090HF485 engine in the John Deere QAS 330 has an oil capacity of 34.0 liters.

How much coolant does the John Deere QAS 330 hold?

The John Deere QAS 330 cooling system holds 38 liters (10.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the dry weight of the John Deere QAS 330?

The John Deere QAS 330 has a dry weight of 3960 kg (8730 lb).

How big is the fuel tank on the John Deere QAS 330?

The John Deere QAS 330 has a 477 liter (126 US gallon) fuel tank, giving about 7.5 hours of runtime.

What voltages is the John Deere QAS 330 available in?

The John Deere QAS 330 is offered in 480 V, 208 V, 3-phase.

What alternator does the John Deere QAS 330 use?

The John Deere QAS 330 uses a Mecc Alte ECO 38 2L/N alternator. It has 12 poles. Insulation class H.

What oil filter does the John Deere QAS 330 use?

The John Deere QAS 330 uses oil filter part number RE538245.

What fuel filter fits the John Deere QAS 330?

The John Deere QAS 330 uses fuel filter part numbers JOHN DEERE N378886, JOHN DEERE AR103220.

Which air filter part number does the John Deere QAS 330 take?

The John Deere QAS 330 uses air filter part numbers JOHN DEERE RE587794, JOHN DEERE 4S00686R.

Troubleshooting

6

Symptoms & remedies

SymptomCauseRemedy
Alternator does not exciteBlown fuse.Replace fuse.
Alternator does not exciteInsufficient residual voltage.Increase the speed by 15%.
Alternator does not exciteNo residual voltage.For an instant apply on the + and – terminals of the electronic regulator a 12 V battery voltage with a 30 Ω resistor in series respecting the polarities.
After being excited alternator does not exciteConnections are interrupted.Check connection cables as per attached drawings.
Low voltage at no loadVoltage potentiometer out of setting.Reset voltage potentiometer.
Low voltage at no loadIntervention of protection.Check rpm.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full John Deere QAS 330 troubleshooting guide (19 entries) →

Parts

2
Part #DescriptionQtySystem
CB125110-200Coolant heater, HotStart, 2500W, 120V1Service part / kit eBay
GM106699-SBattery (Kohler)1Service 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
Prime840.07.95
Standby17.537.95

Available documents

Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter RE538245$33.32
1 priced item$33.32
Other sets with this engine