Undercarriage parts for excavator and bulldozer
Mainly 20 tons, 30 tons, 40 tons
Pc200, pc300, pc400 etc
Ex200, ex300, ex400 etc
Cat320, cat325, cat330 etc
Track roller
Material:50mn
Hardness:hrc55-60
Hardness depth:5-6mm
Carrier roller
Material:50mn
Hardness:hrc55-58
Hardness depth:5-6mm
Idler assy
Material:zg40mn
Hardness:hrc55-58
Hardness depth:5-6mm
Sprocket
Material:zg40mn
Hardness:hrc50-56
Hardness depth:2.5-5mm
Material:40mn2
Pitch:101, 135, 154, 171, 175, 190, 203, 216, 228.
