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645 & 710

Marine Engine Gear

Quality Gears for Manufacturing and

Mining Applications

Our segmented starter gears are ideal as an OEM or replacement part for 645 and 710 engines used in workboats. These original design starter gears have exceeded life expectancies without a single warranty issue since we introduced this revolutionary design more than 20 years ago.

Key features and benefits include:

 3-Piece Design
 Original Segmented Design
 In-House Heat Treated Alloy Steel
 Significant Removal & instillation change-out time
 Reduced downtime & increased profitability
 Available straight or with 45 degree tool chamfer
Segmented Starter gear options

Tell us about your needs, and we’ll recommend a solution.

Marine Industry Gears
Penn Machine Marine Industry

Tech Data Sheets