Forestry and Logging Equipment: Skidding Tractor (Skidder) Caterpillar

Model	Maximum traction force on a rope with empty drum
545C grapple	175 kN - 39342 pound
545	201 kN - 45186.6 pound
535C grapple	175 kN - 39342 pound
535B	194 kN - 43612.9 pound
528	169.9 kN - 38189 pound
527 grapple	129.9 kN - 29200 pound
527	31389 kN - 7056528 pound
525C grapple	175 kN - 39342 pound
525B	175 kN - 39341.6 pound
525	88.1 kN - 19800 pound
518 grapple	117.3 kN - 26363 pound
518 Cable	117.3 kN - 26363 pound
517 grapple	305.9 kN - 68780 pound
515	305.9 kN - 68780 pound
508 grapple	94 kN - 21137 pound
508 Cable	94 kN - 21137 pound