excavator undercarriage replacement Online Manufacturer

Product Type: Double Flange Track Roller / Lower Roller / Bottom Roller

Compatible Model: CAT E70B Mini Excavator, Compatible With E307, E70 Series

Residual Stress Optimized Design: Controlled Manufacturing Process Reduces Harmful Residual Stress, Improving Fatigue Life

High Clamp Force Retention: Maintains Stable Preload Under Continuous Vibration And Dynamic Loading

Surface Protection: Corrosion-resistant Coating Suitable For Outdoor Operation

Forged Grain Continuity: Continuous Grain Flow From Hot Forging Improves Structural Durability

Tooth Profile Design: Rock Chisel Penetration Shape

Retainer Compatibility: Standard J400 Locking Pin System

Product Name: Tensioner Cylinder

Type: Excavator Undercarriage Parts

Color: Yellow & Black

Type: Top Roller

Product Name: SY65 Bottom Roller

Compatible Machine: SY65 Excavator

Product Name: M25.4x89mm Track Fasteners

Bolt Size: M25.4 × 89 Mm

Type: Single Flange / Double Flange (Customizable)

Product Name: Track Roller

Material Grade: Manufactured From High-strength Alloy Steel For Superior Tensile Performance

Heat Treatment: Through Hardened And Tempered To Improve Hardness, Toughness, And Fatigue Resistance