HomeCummins/OnanCummins/Onan ISC 260

Cummins/Onan ISC 260 Generator Set

The Cummins/Onan ISC 260 is a 260 kW (1288 kVA) prime generator set powered by a Cummins/Onan ISC engine. It holds about 6.3 L (1.7 gal) of oil. The set weighs about 694 kg (1530 lb).

6.3 L
Oil capacity
3
Document types

How to read your Cummins/Onan serial & model number →

Specifications

Prime power260 kW
Oil capacity6.3 L
Dry weight694 kg

Engine

Cummins/Onan ISC
Oil capacity23.8 L
AspirationTurbocharged (Holset wastegated turbo)
Rated speed2200 rpm

Maintenance & consumables

for the Cummins/Onan ISC
ItemSpecCapacityPart #Interval
Fuel filterChange secondary fuel filter30000 hr
Oil filterChange oil and filter15000 hr
Batterynone
BeltChange timing belt5000 hr
CoolantReplace coolant and thermostat as needed
Coolant filterNONE*
OilChange oil and filter6.315000 hr
Spark plugnone48000 hr

Service intervals

8
ItemActionHoursMonthsNotes
Oil & FilterChange500 hr6 mo15,000 miles / 24,141 kilometers
Oil and filterChange500 hr6 mo15,000 miles / 24,000 km
Primary Fuel FilterReplace500 hr6 mo15,000 miles / 24,141 kilometers
Primary fuel filterChange500 hr6 mo15,000 miles / 24,000 km
Secondary Fuel FilterReplace1000 hr12 mo30,000 miles / 48,281 kilometers
Secondary fuel filterChange1000 hr12 mo30,000 miles / 48,000 km
Overhead adjustmentAdjust5000 hr48 mo150,000 miles / 241,500 km
Std. Coolant ChangeChange24 mo240,000 miles / 386,243 kilometers

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Service specifications

4
TypeItemValueUnitCondition
SpeedGoverned speed2200rpm
SpeedGoverned speed2200-2400RPM
TorqueClutch engagement torque500lb-ft
TorqueClutch engagement torque678N•m

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
Coolantlong-life coolant/antifreeze formulaFully compatible with long-life coolant/antifreeze formulas allowing changes out to 600,000 miles (965,607 km) or 6 years

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

Which engine powers the Cummins/Onan ISC 260?

The Cummins/Onan ISC 260 is powered by the Cummins/Onan ISC engine.

What is the oil capacity of the Cummins/Onan ISC 260?

The Cummins/Onan ISC engine in the Cummins/Onan ISC 260 has an oil capacity of 23.8 liters.

Available documents

Engine spec — 2003 ISC Line Haul Voc Spec Sheet 4103600 (Cummins/Onan)Engine spec — 3606125 (Cummins/Onan)Engine spec — 4103696 0304 (Cummins/Onan)Engine spec — 4103713 0704 (Cummins/Onan)Engine spec — ISC spec sheet (Cummins/Onan)Spec sheet — BrochISC CPR774Reference — 3606164 (Cummins/Onan)Reference — 4103678 (Cummins/Onan)Reference — ISC Fire Truck Spec Sheet (Cummins/Onan)Reference — cummins-isc-emergency-2007-epa-specs (Cummins/Onan)