2007/01/15 Caterpillar


Special Tall Flange Rollers Are Now Available {4180}

Usage:

D11N 4HK


Track-Type Tractor:
D11N (S/N: 4HK1-UP; 74Z1-UP)
D11R (S/N: AAF1-UP; 8ZR1-UP; 7PZ1-UP)
D11R Carrydozer (S/N: 9TR1-UP; 9XR1-UP)

Special tall flange rollers have been released. The tall flange rollers improve undercarriage life in certain conditions. The new rollers guide the track better in the following applications:

  • Toe Out / Camber / Yaw undercarriage

  • Machines that are used primarily in one direction

  • Machines that are used in low abrasion applications

The rollers should be installed at the following positions in order to guide the track better: (1), (2), (7) and (8). The standard double flange rollers are still used at the following positions: (3), (4), (5) and (6).




Illustration 1g01342196

Certain low abrasion applications wear the flanges of the rollers at a faster rate than the wear surface of the roller. As the flanges wear the track may come into contact with the track guides. The contact between the track and the track guide causes "scrubbing" on the end of the track pins. The "scrubbing" on the end of the pins makes disassembly of the track difficult. The special tall flange rollers help prevent contact between the track and the track guides.

Contact the Undercarriage Product Group through the Dealer Service Network (DSN) for questions related to the application of the tall flange rollers.

Table 1
Description     Part Number     Wear Surface Diameter     Flange Diameter    
Standard Single Flange Roller Assembly     186-5319    
287 mm (11.3 inch)    

321 mm (12.6 inch)    
Standard Single Flange Roller Group     184-6305    
287 mm (11.3 inch)    

321 mm (12.6 inch)    
Standard Double Flange Roller Assembly     186-5318    
277 mm (10.9 inch)    

321 mm (12.6 inch)    
Standard Double Flange Roller Group     184-6306    
277 mm (10.9 inch)    

321 mm (12.6 inch)    
Single Flange Roller Assembly
High Abrasion Application    
200-5702    
309 mm (12.2 inch)    

343 mm (13.5 inch)    
Single Flange Roller Group
High Abrasion Application    
200-5701    
309 mm (12.2 inch)    

343 mm (13.5 inch)    
Single Flange Roller Assembly
Special Tall Flange    
245-2913    
277 mm (10.9 inch)    

343 mm (13.5 inch)    
Single Flange Roller Group
Special Tall Flange    
245-2912    
277 mm (10.9 inch)    

343 mm (13.5 inch)    

Note: Roller assemblies only contain the roller shell and the roller bearing. Roller groups are complete, ready for installation on the machine.

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