The engine in the Cat 320D 320DL
The Cat C6.6 fitted to the Cat 320D 320DL is a 6.6L / 403 cu in 6-cyl inline diesel, 105 x 127 mm bore and stroke, rated at @ 2200 rpm, built to Tier 3/4 emissions. If you are replacing the engine in a Cat 320D 320DL, this is what you need. Call us with your engine serial number and we will confirm the exact fit before you buy.