HomeJohn DeereJohn 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.

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

Maintenance & consumables

for the John Deere 6090HF485
ItemSpecCapacityPart #Interval
Air filterAir Filter1500 hr
Fuel filterFuel Filter2000 hr
Oil filterRE5382452000 hr Amazon $18.50 eBay $39.99 KuduParts $16.00
BatteryJohn Deere500 hr
BeltFan Belt2000 hr
CoolantJohn Deere Cool-Gard16.0 L3000 hr
Coolant filterGlycol level in coolant2000 hr
Oil2000 hr
Spark plugSpark Plug1000 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.

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.
No residual voltageFor 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.
Low voltage at no loadVoltage potentiometer out of setting.Reset voltage potentiometer.
Intervention of protection.Check rpm.
Winding failure.Check windings.
High voltage at no loadVoltage potentiometer out of setting.Reset voltage potentiometer.

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 (14 entries) →

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$18.50
1 priced item$18.50