The XCMG PN 201306963 (drawing M250.2.4.2) is a connecting shaft specified under BOM section 2.4.2 of the XCMG M250-series heavy-duty/mining machinery — a machined structural part in the drivetrain or working-device linkage that couples flanges, universal joints or splined mates to transmit torque between driving and driven members. On M-series heavy machines, "connecting shaft" can take several forms per position: splined shaft (clutch/gearbox output), short flange shaft (transfer case/axle interface), or articulated pivot shaft (working device linkage) — specific contour, shoulder, spline data follow OEM dwg M250.2.4.2, with heat treatment and journal tolerance locked to XCMG heavy-machine BOM. The shaft itself is not a routine consumable (replaced at overhaul), but high-load/mining duty sees common failure modes: shaft bend, spline stripping/wear, journal oversize, keyway shear
Material Description:
M250.2.4.2 Connecting shaft
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