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| Product parameters | |
| Name: | Caterpillar bulldozer track roller D4E for sale | 
| Model Number: | D4E | 
| Moving Type | Crawler bulldozer | 
| Type | Bulldozer undercarriage parts | 
| Process | forging /casting | 
| Weight | |
| Hardness Depth | 8-12mm | 
| Material | 40Mn2 ,40MnB | 
| Surface Hardness | HRC52-58 | 
| Warranty | 6 months | 
| Minimum Order Quantity | 5 Piece/Pieces | 
| FOB Price | US $ 1 - 1500/ Piece | 
| Port | Xiamen port | 
| Supply Ability | 100000 Piece/Pieces per Month | 
| Packaging Details | Standard export fumigated wooden pallet | 
| Payment Terms | L/C,T/T,Western Union,MoneyGram | 
| Delivery Detail | Within 30 days after contract established |   | 
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Worth-part is a supplier and manufacturer of track roller for bulldozer and excavator undercarriage part, we provide many models of caterpillar track roller for customer to select. Our track roller is durable, long-life, effective, applicable for Komatsu, 
Track Roller 
Forged from deep hardening steel and heart treated for internal strength to resist bell mounting and to increase rebuilding ability.
2 pieces roller shell rim. Heat treated shells for body strength and longer wear life.
Heat treated for a deep uniform hardened deep that providers wear life equal to link wear life.
Roller shaft
shaft and bearing designed to carry and turn with heavy track weight forged and heat treated for strength.
Bearing surfaces are hardened and polished to reduce friction and wear
Center flange absorbs side thrust from roller shell.
Cast Iron bushing
Supports the bronze sleeve bearing.
Cast from iron to absorb loads without permanent deformation.
Large lubricant reservoir to reduce heat build up
Bronzed sleeve bearing
Sleeve design provides a large surface area for better load distribution.
Inner diameter surface is polished to a smooth finish.
Soft bronze coating in the bearing absorbs any small foreign particles before they can damage the shaft and seals.
Functions:
Support the track as its most between the sprocket and idler.
Guide the track between the sprocket and idler
Strength to resist failure before tread wear life is utilized.
Treads wear life matched to track links.
Treads and flanges rebuild able on forged shells.
Thru-hardened flanges to resist bending and improve rebuild ability.