71860 XCMG GR2605 motor grader pin

71860 XCMG GR2605 motor grader pin

The 71860 pin is a specialized positioning and connecting pin for construction machinery. It is primarily used for hinges, positioning, limiting, and torque transmission between components. Its cylindrical structure enables precise assembly, withstands shear and compressive loads, and features a simple structure and easy assembly and disassembly. It is a commonly used basic component for hinged and connected parts of equipment.

Technical Parameters

Model: 71860
Material: Alloy steel / High-quality carbon structural steel
Surface Treatment: Quenching + Blackening / Rust prevention treatment
Hardness: High shear and compressive strength, not easily bent
Applicable Temperature: -40℃～120℃
Structure: Cylindrical pin / Positioning pin

Suitable Scenarios

Suitable for balance boxes, linkage mechanisms, brackets, covers, gearboxes, etc., in construction machinery such as loaders, graders, and road rollers; used for component positioning, hinged connections, and anti-rotation limiting, ensuring accurate assembly position and reliable connection.

Common Faults and Troubleshooting

Pin bending or deformation: Caused by overload impact or eccentric force. Replace the 71860 pin and check the assembly clearance. Wear and looseness, inaccurate positioning: Wear from long-term reciprocating motion; replace the pin directly.

Loss or detachment: Locking plate/spring not installed or not properly tightened; reassemble and add locking components.

Rust and jamming: Rust from harsh environments; if unusable after cleaning, replace the pin.

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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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