China Travel final drive for KOMATSU PC78 MR-6 (21W-60-41202)

Here are some specifications for the final drive on the Komatsu PC78 MR-6 excavator:

Type: Planetary gear type
Reduction ratio: 43.7:1
Max. output torque: 14,200 Nm (10,470 lbf-ft)
Max. output speed: 34 rpm
Motor displacement: 147 cc
Sprocket teeth: 17
It's worth noting that these specifications may vary slightly depending on the specific model and year of manufacture of the PC78 MR-6 excavator. The part number you provided, 21W-60-41202, appears to be for the final drive sprocket, which has the following specifications:

Number of teeth: 17
Bolt hole diameter: 20 mm (0.8 inches)
Flange diameter: 378 mm (14.9 inches)
Height: 63 mm (2.5 inches)

 

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