ISC (EPA 2004)

Power 240 - 315 hp
179 - 235 kW
Torque 660 - 950 lb-ft
895 - 1288 N•m

Applications

Fire & Emergency Medium-Duty Truck Motorhome & RV Engines Transit Bus

Overview:

The next evolution of the ISC is a continuation of the current product strategy.  Cummins utilized product upgrades and emissions credits for a certified solution.  By choosing the right technology for each market, Cummins ensures the highest quality launch at the lowest possible installed cost.

Key features include:

  • Enhanced reliability through product upgrades and common components
  • EPA guidelines met without emissions control devices such as no EGR or exhaust aftertreatment (catalyst or soot filter)
  • Lower installed costs through minimal changes to customer options
  • Simplified maintenance for lower cost of ownership
  • Most current and some new OEMs will release the new ISC
  • Noise levels reduced by up to 2 dBA, which represents a 37% reduction in noise power
  • Wide usage of Six-Sigma tools throughout the design process

Product upgrades include:

  • New high-pressure common-rail fuel system with electronic injectors for lowered emissions, reliability, and performance
  • Robust breather that virtually eliminates oil carryover
  • Roller followers from the ISL have been added to the ISC
  • Coolant flows optimized and balanced for improved cooling for durability
  • Oil cooler efficiency increased more than 30%, resulting in no increase in oil pan temperatures in spite of the higher allowable top tank temperatures
  • Block and cylinder head strengthened to support peak cylinder pressures and durability
  • Targeted piston cooling for piston and piston pin life
  • LF9009 combination bypass and full-flow oil filter
Engine Model Advertised hp     Peak Torque Governed Speed
ISC 240 240 660 @ 1300 2400
ISC 260 260 660 @ 1300 2400
ISC 260 260 800 @ 1300 2200
ISC 285 285 800 @ 1 300 2200
ISC 300 300 860 @ 1 300 2200
ISC 315 315 950 @ 1 300 2200
 Miles Hours Months   
 Oil & Filter  15,000 500 6
 Primary Fuel Filter  15,000 500  6 
 Secondary Fuel Filter  30,000 1,000 12
 Coolant Filter  None (See Note 2)    
 Check SCA (1)  15,000 500 6
 Overhead Adj  150,000 5,000 48
 Standard Coolant  240,000 n/a 24
 Long Life Coolant  600,000 n/a 24
  1. Supplemental Coolant Additive such as Fleetguard DCA IV
  2. If equipped with optional water filter, change with oil filter
  3. Must add extender at 300,000 miles / 3 years with Long Life coolant

Application specific oil drain intervals

Truck/School Bus/Coach 15,000/6 months
Transit/Shuttle Bus 6,000/6 months
RV 15,000/12 months


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