The engine in the Cat TH337C
On the Cat TH337C, the Cat C3.4B is a 3.4L / 207 cu in 4-cyl inline diesel with a 94 x 120 mm bore and stroke, rated around @ 2200 rpm, built to Tier 4 emissions. If you are replacing the engine in a Cat TH337C, this is the unit to match. Call with your engine serial number and we will confirm the exact fit before you buy.