CATUndercarriage

4i7338 Adjustment Gp-Hydraulic Track — Cat 311 311B

This is a hydraulic track adjustment group, a sophisticated assembly within the undercarriage system that automatically maintains optimal track tension using hydraulic pressure. It is built to precise tolerances for consistent performance, unlike a worn or damaged unit that may allow track slack. Operators may experience the track becoming too loose or too tight, leading to uneven wear, poor performance, or potential derailing if this assembly malfunctions.

Adjustment Gp-Hydraulic Track – Part No 4i7338 – CAT Spare Part
Part Specifications
BrandCAT
CategoryUndercarriage
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeHydraulic Track Adjustment Group
MaterialSteel, cast iron, and high-pressure seals
ApplicationUndercarriage track tensioning system
Service LifeReplace based on inspection for leaks or mechanical wear
CompatibilityCAT 311, 311B, 312, 312B, 312B L, 313B
ConditionNew — OEM specification aftermarket

Failure Symptoms

The primary symptom of a failing adjustment group is inconsistent track tension, either too loose or excessively tight. If ignored, this can lead to rapid wear on track components, rollers, and idlers, and may eventually cause the track to derail. The major equipment risk is severe undercarriage damage and significant unplanned downtime due to track loss.

Installation Tip

Before installation, ensure all hydraulic ports are clean and free of debris to prevent internal contamination. Never attempt to force the idler into position; ensure the hydraulic cylinder is functioning correctly.

Service Note

When replacing the hydraulic track adjustment group, inspect the idler, recoil spring, and track chain for wear and damage.