HomeGeneracGenerac SD135

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 about 22.7 L (6.0 gal) of oil and 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 and Magnum.

135 kW
Standby
1.8 L
Displacement
22.7 L
Oil capacity
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.

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
Oil capacity22.7 L
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
Oil capacity27.0 L
Coolant capacity29.4 L
Displacement1.8 L
Aspirationturbocharged, intercooled
Rated speed2400 rpm

Maintenance & consumables

for the John Deere 6068HF485
ItemSpecCapacityPart #Interval
Air filter1000 hr
Fuel filter2000 hr
Oil filter2000 hr
Battery1000 hr
BeltPump BeltVP64S172000 hr Amazon eBay
Coolant5000 hr
Coolant filterWater in fuel filter2000 hr
Oil5.62000 hr
Spark plug2000 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: Atlas Copco 1627457001 Atlas Copco 1619279800 Atlas Copco 5112305741 Atlas Copco 1619554500 Atlas Copco 1310036317
  • Fuel filter: Atlas Copco 3222311922 Atlas Copco 1604579200 Atlas Copco RE62419 John Deere N378886 John Deere AE29052
  • Oil filter: Atlas Copco 5112303505 Atlas Copco 1627410121 John Deere RE519987 John Deere RE555072 John Deere DZ118286

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.

How much oil does the Generac SD135 take?

The John Deere 6068HF485 engine in the Generac SD135 has an oil capacity of 27.0 liters.

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 ATLAS COPCO 5112303505, ATLAS COPCO 1627410121.

What fuel filter fits the Generac SD135?

The Generac SD135 uses fuel filter part numbers ATLAS COPCO 3222311922, ATLAS COPCO 1604579200.

What air filter fits the Generac SD135?

The Generac SD135 uses air filter part numbers ATLAS COPCO 1627457001, ATLAS COPCO 1619279800.

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)