When did Cummins change the ISL fuel system?
In 2003, Cummins released the updated ISL engine. Among other differences, the most significant was the change to the High Pressure Common Rail (HPCR) fuel system. The new fuel system eliminated the CAPS injection pump, relying on electronic controlled injectors to actuate fuel. Use the charts below for useful information for the ISL engine:
Are there any problems with common rail fuel systems?
Although common rails are an improvement from prior types of fuel systems, they’re not without their issues. Many of these problems, however, stem from things unrelated to the design of a common rail system, which common rail owners should be aware if they want to minimize expensive repairs.
What kind of pump does an ISC engine have?
The original ISC engine featured a Cummins Accumulator Pump System (CAPS). This CAPS pump was a computer controlled injection pump,with individual fuel lines to each injector. In 2003 the HPCR system was introduced.
How often does a common rail diesel injector fire?
Also, modern common-rail diesel injectors can fire two or three times per engine cycle, doubling the wear on the injector compared to diesels of the past—hence the need for more conscientious maintenance.
How can I Fix my Cummins ISL 400hp engine?
Fix easy and inexpensive. In a pinch, you can buy larger hose clamps from a hardware store or other source and gang them together to get the make shift clamp around boost side of the turbo plumbing failure. Even helped a fellow heavy hauler do that one night when he did not want to bothered by a set of Kansas scales on I-70.
When to use a Cummins ISL long block?
A remanufactured Cummins ISL long block is a great replacement for someone who has experienced catastrophic internal engine failure but still has good reusable external components that can be saved from their old motor. Long blocks are also a good alternative when trying to reduce costs in the hunt for a new engine.
What causes an ISL 400 engine to overheat?
I too have had what looks like overheating problems with a Cummins ISL 400 in a 2006 Newmar Dutch Star on a Spartan chassis. Temperatures on the Jellico Pass of I75 would run from 195 up to 235 on the dash gage.Then we blew a hose from the engine at the HydroHot system. This hose was by Newmar.
When to buy a 2008 Cummins diesel engine?
If you are purchasing a 2008/2009 unit it should have an engine that was built before Jan 1 2010. So if it is a Cummins engine it should only have a particular filter on the exhaust and not require DEF additive. I have a 2008 unit with the ISL HP Cummins engine with a particular filter and have 33,000 miles on it even though I am not fulltime.
How many horsepower does a Cummins motorhome have?
With engines rated from 300 hp to more than 605 hp, Cummins offers power and reliability for every type of motorhome on the market. X15 The most popular heavy-duty engine in North America, the X15 is capable of powering premium motorhomes of any size with up to 605 hp and 1950 lb-ft of peak torque.
What kind of engine is a Cummins diesel?
The Cummins ISL engine is mostly known for being the powerhouse of the larger sized motorhomes. Although also used for firetrucks due to the high horsepower ratings, the ISL really shines when it powers the Cummins diesel motorhome.
What is the torque of a Cummins ISL?
Cummins ISL and QSL Power and torque ISL Power 138-298 kW 185-400 hp @ 2200 rpm QSL Power 246-298 kW 330-400 hp @ 2200 rpm Torque Range 856-1695 Nm 631-1250 lb.ft @ 1250 rpm
How big is a Cummins 8.9 litre engine?
Region Change your Region and Language here. Cummins ISL is a highly flexible power choice with a low weight, compact size and fuel efficient 8.9 litre configuration.
Why is my Cummins 400 ISL engine overheating?
The common denominators are Freightliner chassis – 400 ISL – Side Radiator. I had a 2004 Allegro Bus that had similar issues. The root problem is that Freightliner uses a 1,050 sq in radiator in those years.
What’s the temp on a Cummins ISL 8.9?
With ambient temps in the mid to high 80s it runs around 210 degrees on level ground at 65 mph. On a two mile, 2% grade (a tiny hill) it went to 216. Slow down to 40 mph or coast downhill and the temp will drop to 180.
How big is the side radiator on a 400 ISL?
Our 400 ISL runs between 173 and 183 except on the hottest days and steepest long grades. I’ve never seen it above 200 either on the analog or digital gauge. We have the side radiator which I measure to be about 1100 square inches. Our charge air cooler and transmission cooler are all nested.
What kind of engine is a Cummins isl400?
The ISL is 8.9L and a fine engine. It is good for several hundred thousand miles and will outlast you and your coach. I don’t know anything about a recall, get the engine serial number and call Cummins. Allegiance40x, thanks for the info.
When did the caps pump for Cummins come out?
This CAPS pump was a computer controlled injection pump,with individual fuel lines to each injector. In 2003 the HPCR system was introduced. Cummins Accumulator Pump System (CAPS) fuel injection pump for Cummins 6 cylinder C series engines where used in heavy duty on-road, agricultural applications and many Motor-home applications.
What to do about caps fuel injector in Cummins Engine?
The solution is twofold, one is to clean and inspect every connector (including the big one near the lift pump) and degrease/grease them with the right dielectric grease made for Packard connectors (a lot of techs fail to get that part).
Why does my Cummins diesel engine not start?
However, if no fuel comes out, then it’s safe to assume that this is the culprit of your no start issue. In order to correct, you’ll need to replace the lift pump, and no better time to upgrade than now.
How many horsepower does a Cummins EPA 07 have?
ISL (EPA 07) Power 250 – 425 hp 186 – 317 kW Torque 730 – 1250 lb-ft
How many miles does Cummins quick sheet oil filter take?
Cummins ISL Quick Sheet Oil Filter 18,000 Miles, 500 Hours, or 6 Months Fuel Filter 18,000 Miles, 500 Hours, or 6 Months Coolant Filter 18,000 Miles, 500 Hours, or 6 Months Valve Adjustment 150,000 Miles, 5000 Hours, or 4 Years
What kind of fuel injection does Cummins use?
Cummins Accumulator Pump System (CAPS) fuel injection pump for Cummins 6 cylinder C series engines where used in heavy duty on-road, agricultural applications and many Motor-home applications.