Service parts for the DCA85USJ2
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 75 kW |
| Standby kVA | 94 |
| Prime power | 68 kW |
| Oil capacity | 11.9 L |
| Voltage options | 120/240 V |
| Phase | 3-phase |
| Rated current | 50 A |
| Circuit breaker | 175 A |
Engine
| Oil capacity | 11.9 L |
|---|---|
| Coolant capacity | 11.9 L |
| Displacement | 6.8 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters for the John Deere 6068HF285
6Engine-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.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550779 | Lube Filter, Spin-On Full Flow | JOHN DEERE RE504836, JOHN DEERE RE50486, NAPA 7750S, SKYJACK 13502869 | KuduParts $19.00 |
| Oil filter | P551352 | Lube Filter, Spin-On Full Flow | JOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 | buy |
| Fuel filter | P550090 | Fuel Filter, In-Line | JOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 | FridayParts $45.66 |
| Fuel filter | P551130 | Fuel Filter, Box | JOHN DEERE AR50041, JOHN DEERE R16951, NAPA 3370, BALDWIN BF909 | KuduParts $37.00 |
| Fuel / water separator | P551424 | Fuel Filter, Water Separator Spin-On | JOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 | KuduParts $16.00 FridayParts $18.50 |
| Fuel / water separator | P551422 | Fuel Filter, Water Separator Cartridge | JOHN DEERE AT274723, JOHN DEERE RE22878, NAPA 3978, CLAAS 0011318200 | KuduParts $22.00 FridayParts $24.50 |
Same engine, other brands
4 brandsThe John Deere 6068HF285 in this set also powers 4 generator sets sold under 4 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| Clarke | RC185D |
| John Deere | 6068HF 285 |
| Kohler | 150REOZJF |
| MTU | 6R0113 DS150 |
Maintenance & consumables
for the John Deere 6068HF285| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | UL DIESEL STD | — | 1000 hr | ||
| Fuel filter | Primary | GM50074 | Amazon eBay $70.33 NAPA $38.35 | ||
| Fuel filter | Secondary | GM50006 | Amazon eBay $26.99 NAPA $44.17 | ||
| Fuel filter | UL DIESEL STD | — | 1000 hr | ||
| Oil filter | Cartridge | ×1 | GM32809 | Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76 | |
| Battery | UL DIESEL STD | — | 1000 hr | ||
| Belt | UL DIESEL STD | — | 1000 hr | ||
| Coolant | UL DIESEL STD | 15.2 L | — | 1000 hr | |
| Oil | 27.9 | — | 1000 hr | ||
| Spark plug | UL DIESEL STD | — | 1000 hr |
Common questions
What size generator is the MQ Power DCA85USJ2?
The MQ Power DCA85USJ2 is rated 75 kW standby (94.0 kVA).
What engine is in the MQ Power DCA85USJ2?
The MQ Power DCA85USJ2 is powered by the John Deere 6068HF285 engine.
What's the oil capacity on a MQ Power DCA85USJ2?
The John Deere 6068HF285 engine in the MQ Power DCA85USJ2 has an oil capacity of 11.9 liters.
What is the coolant capacity of the MQ Power DCA85USJ2?
The MQ Power DCA85USJ2 cooling system holds 11.9 liters (3.1 US gallons) for the engine, per the manufacturer specification sheet.
What is the continuous rating of the MQ Power DCA85USJ2?
The MQ Power DCA85USJ2 is rated 68 kW prime (85 kVA), against 75 kW standby.
What voltages is the MQ Power DCA85USJ2 available in?
The MQ Power DCA85USJ2 is offered in 120/240 V, 3-phase-phase.
What oil filter does the MQ Power DCA85USJ2 use?
The MQ Power DCA85USJ2 uses oil filter part number GM32809.
What fuel filter fits the MQ Power DCA85USJ2?
The MQ Power DCA85USJ2 uses fuel filter part numbers GM50074, GM50006.
What air filter does the MQ Power DCA85USJ2 use?
The MQ Power DCA85USJ2 uses air filter part numbers JOHN DEERE AR79680, JOHN DEERE 4S00686R.
Troubleshooting
49Fault codes
| Code | Meaning |
|---|---|
| SPN110 FMI10 | HIGH COOLANT TEMP — WARNING |
| SPN110 FMI10 | HIGH COOLANT TEMP — SHUTDOWN |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| No Brakes | Brake line broken or kinked? | Repair or replace. |
| Weak Brakes or Brakes Pull to One Side | Brake lining glazed? | Reburnish or replace. |
| Weak Brakes or Brakes Pull to One Side | Trailer overloaded? | Correct weight. |
| Weak Brakes or Brakes Pull to One Side | Brake drums scored or grooved? | Machine or replace. |
| Weak Brakes or Brakes Pull to One Side | Tire pressure correct? | Inflate all tires equally. |
| Weak Brakes or Brakes Pull to One Side | Tires unmatched on the same axle? | Match tires. |
| Locking Brakes | Brake components loose, bent or broken? | Replace components. |
| Locking Brakes | Brake drums out-of-round? | Replace. |
| Noisy Brakes | System lubricated? | Lubricate. |
| Noisy Brakes | Brake components correct? | Replace and correct. |
| Dragging Brakes | Brake lining thickness incorrect or not adjusted correctly? | Install new shoes and linings. |
| Dragging Brakes | Enough brake fluid or correct fluid? | Replace rubber parts fill with dot 4 fluid. |
| Center Wear | Over inflation. | Adjust pressure to particular load per tire manufacturer. |
| Edge Wear | Under inflation. | Adjust pressure to particular load per tire manufacturer. |
| Side Wear | Loss of camber or overloading. | Make sure load does not exceed axle rating; Align wheels. |
| Toe Wear | Incorrect toe-in. | Align wheels. |
| Cupping | Out-of-balance. | Check bearing adjustment and balance tires. |
| Flat Spots | Wheel lockup and tire skidding. | Avoid sudden stops when possible and adjust brakes. |
| No Voltage Output | AC Voltmeter defective? | Check output voltage using a voltmeter. |
| No Voltage Output | Is wiring connection loose? | Check wiring and repair. |
| No Voltage Output | Is AVR defective? | Replace if necessary. |
| No Voltage Output | Defective Rotating Rectifier? | Check and replace. |
| No Voltage Output | Defective Exciter Field? | Check for approximately 17.3 ohms across J & K on CN1 |
| Low Voltage Output | Is engine speed correct? | Turn engine throttle lever to "High". |
| Low Voltage Output | Is wiring connections loose? | Check wiring and repair. |
| Low Voltage Output | Defective AVR? | Replace if necessary. |
| High Voltage Output | Is wiring connections loose? | Check wiring and repair. |
| High Voltage Output | Defective AVR? | Replace if necessary. |
| Circuit Breaker Tripped | Short Circuit in load? | Check load and repair. |
| Circuit Breaker Tripped | Over current? | Confirm load requirements and reduce. |
| Circuit Breaker Tripped | Defective circuit breaker? | Check and replace. |
| Circuit Breaker Tripped | Over current Relay actuated? | Confirm load requirement and replace. |
| Low oil pressure light is on. | Low oil level? | Fill oil level. |
| Low oil pressure light is on. | Oil pressure sending unit failure? | Replace oil pressure sending unit. |
| Low oil pressure light is on. | Time delay malfunction in controller? | Refer to dealer. |
| Low oil pressure light is on. | Wire shorted? | Inspect/repair wire. |
| Low coolant level light is on. (Optionally installed) | Low coolant level? | Fill coolant level. |
| Low coolant level light is on. (Optionally installed) | Sending unit failure? | Replace sending unit. |
| Low coolant level light is on. (Optionally installed) | Low battery voltage? | Replace/charge battery. |
| High coolant temperature light is on. | Fan belt tension incorrect? | Tighten/replace fan belt. |
| High coolant temperature light is on. | Air flow is not circulating through radiator? | Clean/repair radiator grill. |
| High coolant temperature light is on. | Doors open? | Close doors. |
| High coolant temperature light is on. | Exhaust leaking? | Replace/repair gaskets or faulty part. |
| High coolant temperature light is on. | Generator being overloaded? | Check/reduce load. |
| High coolant temperature light is on. | Thermostat failure? | Replace thermostat. |
| ENGINE OIL PRESSURE GAGE NOT RESPONDING | Auxiliary gage failed during system initialization or normal operation | Touch the Enter Button to acknowledge and hide the fault and return to the single or four parameter display; the fault can only be cleared by correcting the cause of the fault condition |
| ENGINE OIL PRESSURE GAGE NOT RESPONDING | An auxiliary gage should fail during system initialization or normal operation (auxiliary gages communicate with the Modbus master PowerView via a daisy-chained RS-485 port). | Touch the "Enter Button" to acknowledge and "Hide" the fault and return to the single or four parameter display; the fault can only be cleared by correcting the cause of the fault condition. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
20| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 352793 | Oil Filter | 1 | Oil filter | Amazon |
| C04521 | Element, Oil Filter | Oil filter | Amazon eBay $24.99 NAPA $28.76 | |
| CO2775 | Element, Fuel Water Separator | Fuel filter | Amazon eBay | |
| CO2776 | Element, Fuel Filter Primary | Fuel filter | Amazon eBay | |
| G030077 | Air Cleaner Element (Engine) Primary | Air filter | Amazon eBay | |
| G030078 | Air Cleaner Element (Engine) Secondary | Air filter | Amazon eBay | |
| G122208 | Clarke Eng Fluid - 5 gal | Fluid | Amazon eBay | |
| G122209 | Clarke Eng Fluid -1 gal | Fluid | Amazon eBay | |
| GM32809 | FILTER, OIL | 1 | Oil filter | Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76 |
| GM50006 | Fuel Filter | 1 | Fuel filter | Amazon eBay $26.99 NAPA $44.17 |
| GM50074 | Fuel Filter (primary) | 1 | Fuel filter | Amazon eBay $70.33 NAPA $38.35 |
| GM70424-1 | Fan Belt (12V) | 1 | Belt | Amazon eBay |
| GM70424-2 | Fan Belt (24V) | 1 | Belt | Amazon eBay |
| GM77161 | Oil Filter | 1 | Oil filter | Amazon eBay |
| MOOOOO-20001Q | Auto START/STOP Engine Controller (ECU) | 1 | ECM / ECU | Amazon eBay |
| G122191 | 250 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122196 | 250 hour Maintenance Kit (& engine fluids) | Service part / kit | Amazon eBay | |
| G122201 | 500 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122206 | 500 hour Maintenance Kit (& Engine fluids) | Service part / kit | Amazon eBay | |
| M2870400404 | Parts List No. | Service part / kit | Amazon |
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
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 28.77 | 7.6 | |
| Prime | 50% | 2.0 | 7.6 |
| Prime | 75% | 3.1 | 11.9 |
| Prime | 100% | 4.3 | 16.2 |
| Standby | 76.09 | 20.1 |
Available documents
Operator's manual — Generators-portable-ultrasilent-DCA85USJ2-rev-0-manual (MQ Power)Operator's manual — Generators-portable-ultrasilent-DCA85USJ2-rev-1-manual (MQ Power)
This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.