3349583 XCMG GR2605 motor grader output shaft

3349583 XCMG GR2605 motor grader output shaft

The 3349583 output shaft is a core load-bearing component in the transmission system of engineering machinery. It primarily transmits power from the gearbox, drive axle, or reducer to the external components, enabling power output for the traveling and working mechanisms. It features high torque capacity, high transmission accuracy, and wear and torsion resistance, making it a critical component for power transmission in equipment.

Technical Parameters

Model: 3349583
Material: Alloy steel, integrally forged and tempered with high-frequency quenching.
Surface Hardness: High hardness in the journal and spline areas, wear-resistant and fatigue-resistant.
Structure: Splined/journal structure, suitable for gear, bearing, and flange connections.
Applicable Temperature: -40℃～120℃
Accuracy: High journal coaxiality, stable spline fit accuracy.
Lubrication Method: Grease or gear oil splash lubrication.

Suitable Applications

Suitable for gearboxes, drive axles, wheel-side reducers, hydraulic pump drives, etc., in engineering machinery such as loaders, graders, road rollers, and pavers; used for power output and torque transmission, suitable for heavy-duty, impact, and continuous operation conditions.

Common Faults and Troubleshooting

Spline Wear/Slippage: Caused by prolonged heavy load impact or poor lubrication. Replace the 3349583 output shaft and inspect the mating gears.

Junior Journal Scoring/Wear: Caused by bearing failure, impurities entering the shaft, or oil leakage from the seal. Repair or replace the output shaft, and replace the bearing and seal simultaneously.

Bending/Deformation/Abnormal Operating Noise: Caused by overload impact or poor coaxiality during installation. Replace the output shaft and correct the assembly position.

Breakage/Chip Splintering: Caused by severe overload, excessive impact load, or material fatigue. Replace the output shaft directly with an original manufacturer’s shaft and troubleshoot the transmission system.

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1 70812 Bolt M12×1.5×45
2 3239223 Locking Plate
3 3233683 Locking Disc
4 3267253 Sprocket
5 71624 Bearing
6 3114333 Washer
7 71355 Seal
8 3349543 Support Body
9 70573 Bearing
10 70386 Bolt M18×1.5×50
11 3349583 Output Shaft
12 71860 Pins
13 71860 Pin
14 3349513 Gear Ring
15 3349553 Planetary Shaft
16 3127443 Flat Washer
17 3127443 Roller Assembly 18 3132833 Spacer
19 3132823 Planetary Gear
20 3349573 Planetary Carrier
22 70201 Retaining Ring

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