Forestry and Logging Equipment: Skidding Tractor (Skidder) Caterpillar

Model	Roller diameter
545C grapple	19.1 mm - 0.75 inch
545	254 mm - 10 inch
535C grapple	19.1 mm - 0.75 inch
535B	254 mm - 10 inch
528	255 mm - 10 inch
527 grapple	254 mm - 10 inch
527	254 mm - 10 inch
525C grapple	19.1 mm - 0.75 inch
525B	254 mm - 10 inch
525	254 mm - 10 inch
518 grapple	255 mm - 10 inch
518 Cable	255 mm - 10 inch
517 grapple	254 mm - 10 inch
515	254 mm - 10 inch
508 grapple	228 mm - 9 inch
508 Cable	228 mm - 9 inch