The engine in the JCB 48Z-1
Fitment for the JCB 48Z-1 centres on the Perkins 404C22 | 404D22: 2.2L / 134 cu in, 4-cyl inline, 84 x 100 mm bore x stroke, about @ 2500 rpm, Tier 2. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.