200 Bangor St, Lindenhurst, NY 11757 1-631-991-7700 sales@usepny.com
Cummins ISX12N Natural Gas Remanufactured Long Block
In Stock - Ready to Ship
Natural Gas & Alternative

Cummins ISX12N Natural Gas Remanufactured Long Block (400 HP)

SKU: USISXISX12NNATURALGAS

1 Year Unlimited Mileage Warranty included with this remanufactured engine
$16,500.00

The Cummins ISX12N spark-ignited natural gas engine with near-zero NOx emissions. 1-Year Warranty. Ships in 24-48 hours.

Product Details

Our Cummins ISX12N Natural Gas Remanufactured Long Block Includes:

Cam Bearings
Main Bearings
Rod Bearings
Camshaft
Connecting Rods
Pistons
Piston Rings
Oil Pump
Push Rods
Rocker Arms
Timing Gears
Valves
Valve Guides
Valve Springs
Complete Gasket Set

Engine Specifications:

  • Displacement: 11.9L (726 ci)
  • Horsepower: 400 HP
  • Torque: 1,450 lb-ft
  • Configuration: Inline 6-Cylinder
  • Years: 2018-Present
  • ECM: N/A
  • Bore x Stroke: 130mm x 150mm
  • Emissions: Near-Zero NOx (0.02 g/bhp-hr)

Application:

Class 8 heavy-duty trucks, over-the-road (OTR), vocational, and heavy-haul applications. Compatible with Kenworth, Peterbilt, Freightliner, International, Western Star, and Volvo/Mack chassis.

Every long block is completely remanufactured to OEM specifications using premium components. All wear surfaces are restored to factory tolerances. Our in-house team at US Engine Production in Lindenhurst, NY disassembles each core down to the bare block, inspects and machines all critical surfaces, and reassembles with new or reconditioned parts that meet or exceed original specifications.

We stand behind our unbeatable quality with a One Year Unlimited Mileage Warranty!

Call us today with any questions and to verify this engine will work for your application: (631) 991-7700

Our Remanufacturing Process

1
Complete Teardown — Dismantled to bare block
2
Thermal Cleaning — Magnafluxing & decontamination
3
Precision Inspection — Measured to OEM tolerances
4
CNC Machining — All critical surfaces restored
5
Expert Assembly — Premium OEM-spec components
6
Dyno Tested — Full load testing before shipping

Need Help Choosing the Right Engine?

Our experts are ready to help you find the perfect remanufactured engine for your application.

(631) 991-7700 Request Quote