D7G Idler – CAT D7G Bulldozer Undercarriage Front Idler | Part No.7M-1856

Product Description

Product Overview

Part Number: 7M-1856 Fit Machine: CAT D7G Crawler Bulldozer Material: High-strength alloy steel Technology: Casting + deep quenching heat treatment Surface Hardness: HRC50-56, hardened layer depth 4–10mm Warranty: 12-month global quality warranty Packing: Export wooden pallet packaging

This heavy-duty front idler is aftermarket replacement undercarriage spare part designed for CAT D7G crawler bulldozer. It fully matches original OEM part 7M-1856, supports direct bolt-on installation without modification. It guides track chain and maintains proper track tension, preventing track derailment and offset on rough construction sites.

Core Advantages

Premium cast alloy steel with outstanding impact and abrasion resistance, ideal for mining, quarry, heavy earthmoving harsh working environments. Deep quenching heat treatment craft, idler wheel surface hardness reaches HRC50-56, hardened layer depth 4–10mm to reduce premature wear failure. Precision machined hub and bore, smooth rotation, stable track meshing, lowers vibration and shock load on undercarriage system. Rigorous multi-stage quality inspection: hardness test, rotary test, assembly tightness test before packaging delivery. MUYE Machinery factory direct production, sufficient inventory for bulk orders, 12-month global quality warranty for all customers.

Applicable Machine Models

CAT D7G Crawler Bulldozer Undercarriage System

Shipping & One-Stop Support Service

We provide full container and mixed undercarriage parts shipment worldwide. We also supply matching D7G track link, track roller, carrier roller, drive sprocket segments. Export wooden pallet packaging available. Contact our sales team for full set bulldozer undercarriage spare parts one-stop purchasing solution.