| Caterpillar http://www.cat.com Caterpillar manufactures industry leading medium/heavy duty diesel engines for construction, agricultural, & commercial applications. - (Read more) |
| Maxxforce Diesel Engines http://maxxforce.com Maxxforce diesel engines, International Truck & Engine Corp.'s line of medium & heavy duty diesel engines. - (Read more) |
| Isuzu Diesel Engines http://www.isuzuengines.com/ Isuzu diesel engines. |
| Cummins http://www.cummins.com Cummins, manufacturer of the 5.9/6.7L Cummins diesel found in Dodge Ram trucks. Cummins also produces a variety of on & off highway, medium/heavy duty diesel engines. - (Read more) |
| Detroit Diesel http://detroitdiesel.com/ On-highway medium/heavy duty diesel engine manufacturer. |
| Kubota Engine America http://www.kubotaengine.com/ Manufacturer of diesel engines for agricultural, construction, & commercial applicatinos. - (Read more) |
| John Deere Engines http://www.deere.com/en_US/rg/index.html John Deere's diesel engine page, which provides an overview of Deere's current diesel engine product line. - (Read more) |
| Perkins Diesel Engines http://www.perkins.com/ Perkins, diesel engine manufacturer. |