Cummins ISL9 Diesel

Cummins ISL9 Diesel

8.9 L, High-Torque Performer

Power: 206 – 450 HP (most vocational calibrations 260 – 395 HP) | Torque: 730 – 1,260 lb-ft

Displacement: 8.9 L inline-6 | Emissions: EPA / CARB compliant with SCR aftertreatment

The Cummins ISL9 combines big-block torque with medium-duty efficiency, making it a top choice for regional trucks, refuse haulers, transit buses, motorhomes, fire apparatus, and construction equipment. Key technologies include:

  • High-Pressure Common-Rail (XPI) fuel system for precise injection and lower fuel burn.
  • VGT™ turbocharger delivers rapid boost, flat torque curve, and superior engine braking.
  • Advanced electronic controls monitor load, optimize combustion, and simplify diagnostics.
  • Modular cooling packages—standard or high-capacity—to match demanding duty cycles.

ISL9 Engines & Parts In Stock

Boots & Hanks Truck Parts carries:

  • Dyno-tested Cummins ISL9 complete engines
  • Reman long blocks, cylinder heads, and crank kits
  • Turbos, injectors, ECMs, gasket sets, and overhaul parts

Every unit is compression-tested, warrantied, and ready for same-day worldwide shipping. Keep your fleet running with proven Cummins reliability.

Call 800-738-7802 or explore live inventory at BootsAndHanksTruckParts.com today.