Machinery & Truck PartsThe Mercedes-Benz OM926LA is a 7.2-liter inline-six turbocharged and charge-air-cooled diesel from the OM900 engine family. Depending on market, year, and calibration, it appears under Mercedes-Benz and MBE 900-series naming in medium-duty trucks, buses, municipal vehicles, and vocational equipment. Ratings and external hardware vary, so confirm the engine serial number, horsepower rating, electronics, flywheel housing, and accessory layout before ordering. Machinery and Truck Parts stocks tested used OM926LA engines with warranty coverage and nationwide freight.
Mercedes-Benz OM926LA Engine Specifications
| Displacement | 7.2 L (approximately 439 cu in) |
| Configuration | Inline-6, 4-stroke turbodiesel |
| Bore x Stroke | 106 mm x 136 mm (4.17 in x 5.35 in) |
| Aspiration | Turbocharged and charge-air cooled |
| Fuel system | Electronically controlled unit-pump injection |
| Horsepower | Typical ratings about 230 to 326 hp, depending on market and application |
| Peak torque | Typical ratings about 600 to 960 lb-ft |
| Governed speed | Commonly about 2,200 rpm |
| Engine family | Mercedes-Benz OM900 / MBE 900 series |
| Applications | Medium-duty truck, bus, municipal, fire, RV, and vocational |
| Related engine | Mercedes-Benz OM906LA 6.4L |
What Trucks and Equipment Use the Mercedes-Benz OM926LA
The OM926LA was used in Mercedes-Benz Atego, Axor, Econic, and selected specialty vehicles in global markets. In North America, related MBE 900-series installations appeared in Freightliner Business Class M2 trucks, Thomas Built buses, motorhomes, fire and emergency apparatus, and vocational chassis. Application-specific electronics, emissions systems, cooling packages, oil pans, mounts, flywheel housings, and accessory drives must be matched to the receiving vehicle.
Mercedes-Benz OM926LA vs. OM906LA
The OM926LA is the larger 7.2-liter inline-six in the OM900 family, while the OM906LA is a 6.4-liter inline-six. The OM926LA generally offers higher torque and capacity for heavier applications, but the engines can differ in block dimensions, electronics, ratings, accessories, and chassis interfaces. Do not plan a swap by family resemblance alone; verify serial numbers, engine control, flywheel housing, mounts, oil pan, intake, exhaust, and cooling connections.
Common OM926LA Problems and What to Check When Buying Used
Begin with the data plate and confirm the exact OM926LA variant, horsepower calibration, emissions year, and original application. Review cold starts, hot oil pressure, blow-by, coolant condition, turbocharger play, charge-air leaks, injector and unit-pump operation, wiring and ECM connectors, and evidence of oil, fuel, or coolant leakage. Inspect the cooling system, exhaust manifold, front and rear seals, air-compressor drive, flywheel housing, oil pan, and accessory brackets. Ask which external components were present during testing and which are included with the engine.
Mercedes-Benz OM926LA Engines In Stock
Mercedes-Benz OM926LA Engine FAQ
What size engine is the Mercedes-Benz OM926LA?
The OM926LA is a 7.2-liter inline-six diesel from the Mercedes-Benz OM900 and MBE 900 engine family.
How much horsepower does an OM926LA make?
Ratings vary by market and application, but common OM926LA versions range from roughly 230 to 326 horsepower.
How much torque does an OM926LA produce?
Typical ratings span roughly 600 to 960 lb-ft, depending on horsepower calibration, market, and application.
What trucks use the Mercedes-Benz OM926LA?
The OM926LA and related MBE 900-series versions were used in Mercedes-Benz medium-duty trucks and specialty vehicles, Freightliner M2 chassis, Thomas buses, motorhomes, fire apparatus, and vocational applications.
What is the difference between OM926LA and OM906LA?
The OM926LA is a 7.2-liter inline-six, while the OM906LA is a smaller 6.4-liter inline-six. Ratings, electronics, accessories, and installation dimensions vary, so they are not automatic substitutes.
What does LA mean in OM926LA?
In Mercedes-Benz engine naming, the suffix identifies a turbocharged engine with charge-air cooling.
What should I check before buying a used OM926LA?
Confirm the serial number, horsepower and emissions calibration, ECM and wiring, flywheel housing, mounts, oil pan, turbo and intake arrangement, accessories, test results, included components, and warranty terms.
How do I order an OM926LA engine?
Choose an in-stock engine above and call (800) 696-5459 with its stock number, vehicle year and model, engine serial number, and delivery ZIP code.
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