Champion
Champion motor graders by model on PartsForMachines: the 710, 720, 730, 740, 750, 760 and 780, and their A variants, listed in the Machinery Parts Finder with starter motors and alternators matched to each and the price on every listing. Champion here is the Canadian grader maker; later graders carry the Volvo badge and are on the Volvo page. Champion generators and Champion hand tools are different companies.
Champion grader starters and alternators: 710A, 720A, 730A, 740A, 750
Starter motors and alternators are listed against the Champion grader model with OE number and voltage on the listing. The plate tells you which engine is fitted, and that decides the starter.
Start with the number on the old unit if you have it; the header search takes an OE or part number directly. Otherwise the Machinery Parts Finder: Champion, the grader model from the dropdown, then starter or alternator. Cab plate worn, photo to 07754288583 on WhatsApp. The Compatible tab confirms, and shows the Volvo listing where one exists.
Graders run twin batteries and go through them, so batteries by size head the wider range, then oil to the Champion grade through the Oil Finder, filters, seats by cab type, tyre sealant by tyre size and the rest by specification. Not in the Finder? Ask Simon.