... used for the Caterpillar, Komatsu, Volvo, Hitachi, Hyundai...The track shoe pitch ranges from: 228, 216, 203,190, 171,154, and ... 135track shoe for bulldozer(single grouser) Compatible models for your reference Pitch ... ,D4D,D4H,D4,D4C D50,D53We can customize the track shoe according to your special demand.