Description:
Part 445-3844 is a hardened steel pinion used in the dipper trip actuator on certain Electric Rope Shovel (ERS) models.

Cat gears are machined from carefully selected materials to exacting specifications that match the loads encountered in Cat machines. They are manufactured using special, and in some cases proprietary, heat treat processes — including case carburizing, nitriding, and induction hardening. Cat gears have the industry's highest power density, or the amount of power a gear can transmit relative to its size and are designed with reusability in mind. Consequently, they are more durable and keep your overall machine operating costs down.

Attributes:
• Dipper trip pinion
• External Spur Gear Number of Teeth: 17
• Pitch Diameter: 71.96mm (2.833 in)
• Outside Diameter: 80.42mm (3.166 in)
• Inside Diameter: 41.33mm (1.627 in)
• Width: 47.63mm (1.875 in)

Application:
Consult your owner's manual or contact your local Cat Dealer for more information.