ISL EVERY ROUTE. FOR URBAN TRANSIT BUS APPLICATIONS
URBAN TRANSIT BUS APPLICATIONS. Every Time. The ISL is the most popular engine in the transit market, due to its high reliability, low maintenance and fuel efficiency. The ISL EPA '07 incorporates familiar, proven technologies and subsystems: cooled EGR, Cummins patented VG Turbo, High Pressure Common Rail fuel injection, and Cummins Particulate Filter. These technologies have been used in Cummins transit bus engines for years. Our VG Turbo constantly adjusts airflow to reduce turbo lag and provides smooth acceleration. Because it has only one moving part in the hot exhaust stream, it is vastly more reliable and durable than competitive turbos. We ve produced more engines with particulate filters than any other manufacturer, earning a reputation for low maintenance and trouble-free operation. Fleet managers can relax the ISL will be ready to go at the start of every shift, every time. Every Dollar. The ISL is also easy on the operating and maintenance budget. Based on one of the most fuel efficient engines in the transit market, the ISL will help keep your fuel bill down. The ISL maintains its long service and maintenance intervals to make every dollar in your budget go farther. Every Route. A wide variety of ratings and configurations are available to match your unique operating requirements. Horsepower ratings from 250-330 provide the right performance for any transit bus 29-foot through 60-foot articulated buses. The ISL is also available in conventional driveline and hybrid-ready configurations. Regardless of your needs, the Cummins ISL is the right engine for every bus, every route. Ratings ENGINE ADVERTISED PEAK GOVERNED MODEL HORSEPOWER TORQUE SPEED ISL 330 330 1100 @ 1300 RPM 2200 RPM ISL 330H* 330 1100 @ 1300 RPM 2200 RPM ISL 280 280 900 @ 1300 RPM 2200 RPM ISL 280H* 280 900 @ 1300 RPM 2200 RPM ISL 250 250 730 @ 1300 RPM 2200 RPM *Hybrid Rating Specifications ADVERTISED HORSEPOWER 250-330 HP 187-246 KW PEAK TORQUE 730-1100 LB-FT 990-1491 NM GOVERNED SPEED 2200 RPM CLUTCH ENGAGEMENT TORQUE 500 LB-FT 746 NM NUMBER OF CYLINDERS 6 OIL SYSTEM CAPACITY 7.3 U.S. GALLONS 27.6 LITERS NET SYSTEM WEIGHT 1,685 LB 764 KG ENGINE WEIGHT 1,635 LB 742 KG AFTERTREATMENT* 50 LB 22 KG *Increase over standard muffler
Optional Equipment. WABCO 18.7-cfm air compressor comes standard on Cummins engines with an optional 30.4-cfm model. Water-in-fuel sensor alerts driver to a sign of possible water in the fuel filter, contamination that could cause performance and durability problems. Cummins-branded electric starters and alternators that are covered under the engine warranty. Optional oil level monitoring from the driver s seat. Electronic Features. The electronic hardware and software on the ISL uses common architecture with all other Cummins engines. So it has all the latest diagnostics, maintenance monitoring and engine protection features with customer selectable shutdown. Its full-authority electronic controls also include: Engine Protection Regulates rpm to reduce the risk of progressive damage when a severe fault code is logged. Idle Control Environmentally friendly feature manages idling time and improves fuel economy. Door Interlock Provides additional passenger security. Starter Lockout Provides additional engine/starter protection. Electronic Monitoring of Cummins Particulate Filter ECM constantly monitors filter pressure, initiating active regeneration as needed. Enhanced Durability. Every Mile. Cummins ISL is designed for severe-duty, inner-city transit operations. Targeted piston cooling, roller followers and articulated pistons increase durability. A combination full-flow and bypass oil filter extends piston ring and bearing life. This, together with mid-stop cylinder liners, makes the ISL easier to rebuild. High-efficiency lube cooler lowers oil temperatures for long life. Six Sigma design practices have resulted in enhanced reliability for individual components and the total engine design. A crankcase ventilation system with a coalescing filter virtually eliminates oil carryover. Coolant flow has been optimized and balanced, effectively reducing cylinder temperatures. ISL Maintenance Intervals. MILES KILOMETERS HOURS MONTHS OIL AND FILTER 6,000 500 6 9,650 PRIMARY 6,000 500 6 FUEL FILTER 9,650 SECONDARY 12,000 1,000 12 FUEL FILTER 19,300 COOLANT FILTER NONE* NONE* NONE* OVERHEAD ADJUSTMENT 150,000 5,000 48 241,500 STD. COOLANT CHANGE 240,000 N/A 24 385,000 COALESCING FILTER 80,000 2,000 24 128,000 PARTICULATE FILTER 200,000-400,000 MI (320,000-640,000 KM) * If engine is equipped with a coolant filter, it will need to be replaced on the same intervals as the oil filter.
Electronic Tools. INSITE For years, Cummins INSITE software has been making it easy to troubleshoot, repair and service our electronic engines through easy-tofollow steps on your computer. Multiyear subscriptions are now available out to 12 years. Warranty Coverage. Every Cummins urban transit engine comes with a standard 2-year/unlimited-mileage warranty with 3-year/300,000-mile (482,804 km) major components coverage, whichever occurs first. For additional details, ask to see Cummins Bulletin 3381278. A variety of extended coverage plans are available for ISL engines in urban transit bus applications. Contact your local Cummins dealer or distributor for details. Cummins Electronic Parts Catalog (CEPC) CEPC turns your computer into a Cummins service parts topic center. Virtually every fact you ll want to know about your ISL will be here, including part numbers, diagrams, options and engine information. Simple to learn and easy to use for faster answers to questions and increased productivity. QuickServe Online Gives rapid access to parts and service information for over nine million engine serial numbers. Part numbers and diagrams, maintenance information and service bulletins, warranty details and more are available every minute of every day via the Internet. Transmission Matches. Typical engine/transmission combinations that will deliver the optimal balance of performance and fuel economy: TRANSMISSION MODEL ISL 250 ISL 280 ISL 330 ALLISON B300 ALLISON B400 ALLISON B500 ZF HP500 ZF HP590 ZF HP600 VOITH D863.3 VOITH D864.3 Every Question. Answered. Service Network Cummins engines are backed by nearly 3,500 authorized parts and service outlets in North America. Customer Assistance Center Call the Cummins specialists for technical assistance and service locations at 1-800-DIESELS (1-800-343-7357). Cummins E-Mail For online assistance with Cummins-related questions, click on the Contact Us link in the header at everytime.cummins.com. Cummins Web Site For product literature or additional information, log on to everytime.cummins.com. Cummins Online Registration Register all your Cummins engines quickly and easily at everytime.cummins.com to ensure quality parts and service for your engine.
ISL URBAN TRANSIT BUS TORQUE AND POWER CURVES. Power (hp) Torque (lb-ft) 740 720 700 680 660 640 620 600 580 280 260 240 220 200 180 250 HP/730@1300 FR 92005 280 HP/900@1300 FR 92004 330 HP/1100@1300 FR 91855 950 1200 900 1100 850 1000 800 900 750 800 700 700 650 600 300 340 280 320 260 300 240 280 220 260 200 240 160 1200 1400 1600 1800 2000 2200 180 1200 1400 1600 1800 2000 2200 220 1200 1400 1600 1800 2000 2200 Cummins has always been a pioneer in product development. Thus specifications may change Cummins without is notice. a pioneer Illustrations in product may improvement. include optional Thus equipment. specifications may change without notice. Illustrations may include optional equipment.
Cummins Inc. Box 3005 Columbus, IN 47202-3005 U.S.A. Phone: 1-800-DIESELS (1-800-343-7357) Fax: 1-800-232-6393 Internet: everytime.cummins.com Bulletin 4103683 Printed in U.S.A. Rev. 1/08 2008 Cummins Inc.