This service manual covers the following Case equipment: 220 Lawn & Garden Tractor (SN# 9734870 and up) | 222 Lawn & Garden Tractor (SN# 9736998 and up) | 224 Lawn & Garden Tractor (SN# 9738335 and up) | 444 Lawn & Garden Tractor (SN# 9739739 and up) | 644 Lawn & Garden Tractor (SN# 9744750 and up) . This Service Manual (a.k.a. Shop, Repair, Overhaul, Technical Manual), is what your Case needs for repair, overhaul or restoration. This Reproduction manual includes the essential information needed, like engine specifications (except chassis only manuals), machine specifications, tune-up specifications, and torque settings.