207-30-71441 Cylinder Assembly Fits Komatsu Models

One New Aftermarket Replacement Track Adjuster Cylinder Assembly for Komatsu Excavators and Mobile Equipment

This aftermarket replacement cylinder assembly (part number 207-30-71441) is a track adjuster cylinder -- also referred to as an idler cushion cylinder -- that forms part of the front idler and track tensioning system on Komatsu excavators and mobile crushers. It maintains proper track chain tension to minimize undercarriage wear and ensure smooth operation. Sold individually; many applications use two cylinders per machine (qty 2 per unit is common -- verify your requirement before ordering).

Specifications

• Weight: approximately 54.12 kg (119 lbs)
• System: Front idler cushion / track adjuster assembly
• Quantity: 1 cylinder assembly

Compatible Models

Komatsu Excavators: PC220LL, PC270, PC270LC-8 (S/N 30117-UP), PC290, PC290LC-10 (S/N 15001-UP), PC300, PC300-8M0 (S/N 80001-UP), PC300LC-7, PC300LC-7E0, PC300LC-8M0 (S/N 80001-UP), PC308, PC308USLC-3E0 (S/N 30242-UP), PC340, PC350, PC350-8M0 (S/N 80001-UP), PC350LC-8M0 (S/N 80001-UP), PC360

Komatsu Mobile Crushers and Recyclers: BR550JG (S/N 1034-UP), BR580JG

Komatsu Other Equipment: 430FX (S/N A10001-UP), 430FXL, XT430

Note: Several model variants carry serial number restrictions (listed above where known). Verify your machine serial number before ordering to confirm fitment.

Replaces Part Number(s):

207-30-71441, 2073071441

New aftermarket replacement part - not remanufactured, not used.