Cummins ISX Remanufactured Engine Replacement Program:
We offer both in-stock and built to ESN Spec Cummins ISX and ISX-15 remanufactured long blocks (3/4 Engine Assembly). Remanufactured ISX Long Block Engines are built with all new kit parts and remanufactured back to OEM Spec machined castings. We can also rebuild the newer Cummins X15 models as repair and returns.
Both Single Cam ISX and Dual Cam ISX versions are available in the most popular CPLs including: 2719, 2729, 2732, 2729, 2733, 2825, 8518
Cummins ISX 15 Common CPLs: 3320, 3350, 3606, 3719, 3937, 3939, 4588, 8760
We can also build the smaller ISX12 and ISX12-G (natural gas) long blocks upon request. Usually these are found in motorhomes with common
Common CPLs: 4591, 4589, 3711, 3438, 2250, 3438, 3739, 3711, 3438, 3440, 3937 (gas), 3647 (gas), 2180 (gas), 4857 (gas)
Remanufactured Parts List:
- Block
- Complete Loaded Cylinder Head
- Crankshaft
- Camshaft
- Followers/Lifters
- Pistons and Rings
- Sleeves
- Connecting Rods
- Intermediate Cover
- Timed Front Gear Group
- New Upper and Lower Gasket Set
- **1 Year Warranty, Includes Parts & Labor
*Note: We can provide a new oil pump, oil cooler, water pump, turbo, injectors, and fuel pump for an additional cost(s), but these components will not come assembled to the engine.
Popular Cummins ISX/QSX Engine Applications:
- Class 8 Heavy-Duty
- Motor Coach
- Well Servicing
- Fire and Emergency
- Industrial
- Mining/Off-Highway
Popular Truck Models with Cummins ISX Engines:
Freightliner: PX12564 Sleeper, Argosy 620, Cascadia 125, 126
International: Prostar 122, 9400, 7400 Dump Truck, 8600 Dump Truck, 9900, Eagle
Kenworth: T600 Sleeper, T660, T680 Sleeper, T800, T880, T2000, W900
Peterbilt: 365, 379, 384, 386, 387, 388, 389, 567, 578, 579, 587
Volvo: VNL 64T670, 670
Sterling: ST9500
Western Star: 4900 SF Dump Truck
Iveco: Power Star 7200
ISX-15 Specs:
Engine Data
Size: 14.9L (912 ci)
Configuration: Inline-six (I-6)
Bore and Stroke: 5.39-inch x 6.65-inch
Block: Cast-iron with mid-stop cylinder liners
Head: Cast-iron, 4 valves per cylinder
Rods: Forged-Steel
Valvetrain: Dual Overhead Cam (’99-‘09) (one cam actuated the fuel injectors, the second actuated the valvetrain and engine brake), Single Overhead Cam (’10-on) in conjunction with common-rail injection
Oil Capacity: 14 gallons
Aspiration: Fixed Geometry Turbocharger (’99-‘02), Variable Geometry Turbocharger: (’03-‘20)
Intercooler: Air-to-Air
Injection System: Cam-Driven Unit Injection (’99-‘09), XPI (Xtra-High Pressure Injection) Common-Rail (’10-‘20)
Emissions: EGR (’02-‘05), EGR, DPF (’06-‘09), and EGR, DPF, SCR (’10-end of production)
Production: 1998–2020 (its phase-out started in 2016 in favor of the X15)
Horsepower: 385 to 600 hp (depending on application)
Torque: Up to 2,050 lb-ft (depending on application)
Weight: 3,021 lbs (dry)
You’ve come to the right place for all of your heavy duty diesel engine needs. We here at Big Bear Engine Company are old school machine shop guys that know the value of your time whether it be out in the field for an industrial job or at play with an off-road engine swap. We are old school machine shop guys and guarantee the workmanship of all of our engines including our Cummins ISX Remanufactured Diesel Engines. Give us a call and we can help spec out the right ISX for your engine swap project.