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Generac SD135 Generator Set

The Generac SD135 is a 135 kW Diesel standby generator set powered by a John Deere 6068HF485 engine. It is available at 120/240 V, 120/208 V, 277/480 V and 600 V, 3-phase, 60 Hz and rated 625 A. It holds 42.4 L (11.2 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 group-2 battery at 24 V. The same 6068HF485 engine also powers generator sets from Atlas Copco, Clarke, John Deere, Kohler, MTU and Magnum.

135 kW
Standby
1.8 L
Displacement
1
Document types

How to read your Generac serial & model number →

Typical fuel consumption for 135–140 kW Diesel generators →

Compare with other 135–140 kW Diesel generators →

Service parts for the SD135

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

Fuel system

1 required

Belts

1 required
VP64S17Beltsee priceAmazon

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

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power135 kW
Prime power108 kW
EmissionsEPA Tier III
ControllerH100 Digital
AlternatorJDXL06.8101
Voltage options120/240 V, 120/208 V, 277/480 V, 600 V
Phase3-phase
Rated current625 A
Power factor0.8
Circuit breaker625 A
Battery group2-12V
Battery voltage24 V
Battery quantity1
Coolant capacity42.4 L
Max ambient50 °C

Engine

John Deere 6068HF485
Coolant capacity29.4 L
Displacement1.8 L
Aspirationturbocharged, intercooled
Rated speed2400 rpm

Filters for the John Deere 6068HF485

6

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 filterP550779Lube Filter, Spin-On Full FlowJOHN DEERE RE504836, JOHN DEERE RE50486, NAPA 7750S, SKYJACK 13502869 KuduParts $19.00
Oil filterP551352Lube Filter, Spin-On Full FlowJOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 buy
Fuel filterP550090Fuel Filter, In-LineJOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 FridayParts $45.66
Fuel filterP551130Fuel Filter, BoxJOHN DEERE AR50041, JOHN DEERE R16951, NAPA 3370, BALDWIN BF909 KuduParts $37.00
Fuel / water separatorP551424Fuel Filter, Water Separator Spin-OnJOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 KuduParts $16.00 FridayParts $18.50
Fuel / water separatorP551422Fuel Filter, Water Separator CartridgeJOHN DEERE AT274723, JOHN DEERE RE22878, NAPA 3978, CLAAS 0011318200 KuduParts $22.00 FridayParts $24.50

Same engine, other brands

6 brands

The John Deere 6068HF485 in this set also powers 9 generator sets sold under 6 other brands. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.

BrandModels
Atlas CopcoQAS 250 John Deere, Qc1002
John Deere6068 HF485, QAS 250
MagnumDRY-PRIME DIESEL TRASH PUMP MTP6504NPC, MTP6504NPC
ClarkeRC240D
Kohler200KRP
MTUDS00200D6SRAK0574

Maintenance & consumables

for the John Deere 6068HF485
ItemSpecCapacityPart #Interval
Air filter—1000 hr
Fuel filter86947700022000 hr eBay $85.32
Oil filter—2000 hr
Battery—1000 hr
BeltPump BeltVP64S172000 hr Amazon eBay
Coolant—5000 hr
Coolant filterWater in fuel filter—2000 hr
Oil5.6—2000 hr
Spark plug—2000 hr

Compatible filters for the John Deere 6068HF485 — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: John Deere AR79680 John Deere 4S00686R John Deere AH115833 John Deere RE181915 John Deere F434389J
  • Oil filter: John Deere RE519987 John Deere RE555072 John Deere DZ118286 John Deere AR58956 John Deere TCA10018

Common questions

What is the power rating of the Generac SD135?

The Generac SD135 is rated 135 kW standby.

What engine is in the Generac SD135?

The Generac SD135 is powered by the John Deere 6068HF485 engine.

What fuel does the Generac SD135 use?

The Generac SD135 runs on Diesel.

What is the cooling system capacity of the Generac SD135?

The Generac SD135 cooling system holds 42.4 liters (11.2 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the continuous rating of the Generac SD135?

The Generac SD135 is rated 108 kW prime, against 135 kW standby.

What voltages is the Generac SD135 available in?

The Generac SD135 is offered in 120/240 V, 120/208 V, 277/480 V, 600 V, 3-phase-phase.

How many cold cranking amps does the Generac SD135 require?

The Generac SD135 uses 1 battery, 24 V each, group 2-12V, per the manufacturer specification sheet.

What alternator does the Generac SD135 use?

The Generac SD135 uses a JDXL06.8101 alternator.

Which oil filter part number does the Generac SD135 take?

The Generac SD135 uses oil filter part numbers JOHN DEERE RE519987, JOHN DEERE RE555072.

What fuel filter fits the Generac SD135?

The Generac SD135 uses fuel filter part number 8694770002.

What air filter fits the Generac SD135?

The Generac SD135 uses air filter part numbers JOHN DEERE AR79680, JOHN DEERE 4S00686R.

Parts

1
Part #DescriptionQtySystem
VP64S17Pump Belt1Belt 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
Prime100%37.560.0
Standby100%67.5101.25

Available documents

Parts manual — 0172750SBY (Generac)

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 8694770002$85.32
1 priced item$85.32