Industrial Engines
MaxxForce® industrial engines can be found anywhere in the world where dependable power is needed for an industrial application. MaxxForce Diesel Power engines get the job done. No matter what the application, Navistar industrial engines are powered to meet your needs.
MaxxForce industrial engines power a variety of small construction and excavating equipment such as backhoes and bulldozers. They also can be found in other industrial machines such as dock loaders, forklifts or irrigation units.
The selection of industrial engines that MaxxForce offers are listed below. Specifically, the MaxxForce 7 is a V-8 turbo diesel engine that incorporates advanced design elements and components from Navistar’s market-leading I-6 commercial engines.
With horsepower ratings from 62–160 hp (46–119 kW), MaxxForce industrial engines will keep your equipment running at peak efficiency in even the most demanding environments.

| Engine | Config | Horsepower | Torque |
|---|---|---|---|
| D229 | I-3 | 62 hp (46 kW) | 145 lb.-ft. (196 Nm) @ 1400 rpm |
| MS3.9 | I-4 | 72 hp (54 kW) | 197 lb.-ft. (267 Nm) @ 1400 rpm |
| D229 | I-4 | 85-100 hp (62-74 kW) | 197-274 lb.-ft. (280-372 Nm) @ 1400-1500 rpm |
| MS4.1 | I-4 | 83-105 hp (62-78 kW) | 210-282 lb.-ft. (285-382 Nm) @ 1400 rpm |
| D229 | I-6 | 125-160 hp (93-119 kW) | 296-412 lb.-ft. (402-599 Nm) @ 1400-1500 rpm |
| 7 | V-8 | 220-300 hp (164-224 kW) | 560-660 lb.-ft. (762-898 Nm) @ 1400 rpm |
D = Diesel, MS = Medium Speed, DT = Diesel Turbocharged, NGD = Next Generation