... ranges from: 228, 216, 203,190, 171,154, and 135 track shoe for excavator (triple grouser)Compatible models for your referencePitch(MM ... -7/8 We can customize the track shoe according to your special demand. track shoe for bulldozer(single grouser)Compatible models for ... ,D4D,D4H,D4,D4C D50,D53We can customize the track shoe according to your special demand.