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Old 02-03-2017, 05:50 PM   #1
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ISC or ISB

How can i find whether my '01 fleetwood discovery 300 hp is an isc or isb ?
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Old 02-03-2017, 05:58 PM   #2
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Get the engine serial number and call Cummins tech support. They can tell you all kinds of things about that specific engine, like; ISB/ISC, HP/Torque and ask fore Peak RPM of each.

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Old 02-03-2017, 06:55 PM   #3
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likely a pre emission - mech fuel inj isc-
Isbs were in the 225-245hp (corrected) in that date range.

http://www.cumminshub.com/24v.html
2001 - 2002
• 235 hp @ 2,700 RPM
• 245 hp @ 2,700 RPM (H.O.)
• 460 lb-ft @ 1,400 RPM
• 505 lb-ft @ 1,600 RPM (H.O.)
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Old 02-03-2017, 10:14 PM   #4
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Isb Isc

If you can get a look at the data plate on the motor it will tell you everything you need serial # Type motor and horse power and torque the tag is on the side of timing cover hard to see but just stick your phone down there take ten pictures and you can read what it is Ive took pictures of all my numbers tranny motor vin ect. been a great help when I'm looking for parts.

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