Earlier models have a 42mm bore
40H777-0146-G5 Engine
Fits Cub Cadet 48" cut Z-Force models
Stable workmanship guarantees a safe support and long durability
Fits Masport model Commander 610
Masport BELT-V HC VEXTRA XPZ 787 GATES - 3/8" X 31" Chainsaw Bar Size - 30" Earlier models have a 42mmOEM Part No: 6731, M30, 564135, 573810, 569337, 574401, H86768A Vee Belt 3 8" x 31" Fits Victa 19" Self propelled models Fits Masport models Rotorola, Vinaro etc, Self Propelled Walk behinds. High cut resistance Inner Aramid cord for strength Neoprene layers allow high flexibility to prevent stretching and breakage Oil and heat resistant ARIENS PARTS: 07204600, 07209900, 72043, 7204600, 7209900 BUNTON PARTS: 3766230 R1 CASTELGARDEN PARTS: 35064100 0