What’s the Crawler Crane Liebherr LR1400-2 Idler?
The Liebherr LR1400-2 idler is a critical part of the crawler crane’s undercarriage, serving as the front guiding and tensioning wheel for the track assembly. Positioned at the forward end of the track frame, this heavy-duty component maintains proper track tension while guiding the track chain smoothly during operation. Without a properly functioning idler, track misalignment occurs, leading to accelerated wear on sprockets, rollers, and chain links—and ultimately, costly downtime.
Key Specifications
Parameter Details
Compatible Model Liebherr LR1400-2 Crawler Crane
Component Type Front Idler / Track Guiding Wheel
Function Track tensioning & chain guidance
Material: High-strength alloy steel
Heat Treatment Quenched & tempered
Surface Hardness 50-55 HRC (wear-resistant)
Manufacturing Process: Drop forging + precision machining
Quality Standards ISO 9001
Accurate Machining
CNC machining centers finish each LR1400-2 idler to exacting tolerances:
Flange concentricity: Ensures smooth track guidance without wobble
Bore precision: Guarantees proper fit with mounting components
Surface finish: Reduces friction between idler and track chain
Delivery
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