Oregon 557503 Combo 200GDBK041/20BPX078 SDGThis 20" guide bar and chain combination features a . 325, chain ideal for occasional commercial users. The low vibration micro chisel cutters offer excellent performance, easy maintenance and low kickback. The AdvanceCut guide bar features a small radius multi rivet nose for good durability and control. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our

058" gauges

chain drive link count: 74

Replaces John Deere AM100644

Center hole: 1316"

Oregon® 91-918 blade for 48" cut

Requires 2 blades for 42"cut

Replaces Scag part number 48912

Fits McCulloch

Premium aramid cord belt

Move through work quickly with the Oregon Gator G5 594-078 a Blade that sets the industry standard

chain drive link count: 33

1/2" x 75-1/2"