Machinery model 518 55U:
- UEG0597S 518 SKIDDER 55U00001-00151 (MACHINE)
- UEG0741S 518 SKIDDER 55U00152-00271 (MACHINE)
- UEG0797S 3304 VEHICULAR ENGINE 55U00152-00271 (MACHINE)
- SEBP1049 518 SKIDDER 55U00272-00668 (MACHINE) POWERED BY 3304 ENGINE
- SEBP1346 518 GRAPPLE SKIDDER / POWER SHIFT / 55U00669-UP (MACHINE) POWERED BY 3304 ENGINE