Manufacturer: Tractel, Model: Topal NK3-0-40, Part #: 50348, Capacity: 4.5-Ton (9,900 Lbs.), Opening: 0 to 1-1/2", Weight: 55.0 Lbs.
Manufacturer: Tractel, Model: Topal NK3-40-80, Part #: 50358, Capacity: 4.5-Ton (9,900 Lbs.), Opening: 1-5/8 to 3.0", Weight: 57.2 Lbs.