The engine in the JCB 520-40
On the JCB 520-40, the Perkins 1104C-44T 1104D-44T is a 4.4L / 268 cu in 4-cyl inline diesel with a 105 x 127 mm bore and stroke, rated around 74-100 HP @ 2200 rpm, built to Tier 3 emissions. If you are replacing the engine in a JCB 520-40, this is the unit to match. Call with your engine serial number and we will confirm the exact fit before you buy.