| ID # | Manufacturer | Model # | Rating | |||||
| 15627 | Louis Allis | Hp 50 | ||||||
| 15508 | Louis Allis | Hp 60 | ||||||
| 7628 | Lufkin | S147 | Hp 130 | |||||
| 11545 | Lunken Hiemer | 15538 | Diameter 8 in | |||||
| 11546 | Lunken Hiemer | 15538 | Diameter 8 in | |||||
| 22071 | Magna Force | Size MFC-14.5 S | ||||||
| 22068 | Magna Force | Size MFC-16.5 D | ||||||
| 22241 | Manchester | Diameter 25.4375 in | ||||||
| 16488 | Manchester | Diameter 26 in | ||||||
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