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144‑0725 381‑6551 Connecting Rod For CAT 3512 3516 Excavator Diesel Engine

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144‑0725 381‑6551 Connecting Rod For CAT 3512 3516 Excavator Diesel Engine

Brand Name : CAT

Model Number : 144‑0725 381‑6551

Place of Origin : China

MOQ : 1

Price : $286- $368

Payment Terms : T/T,D/P,D/A,L/C,Western Union

Supply Ability : 999

Delivery Time : 3-7 work days

Packaging Details : Carton Box

Product Name : Connecting Rod

Construction Engine : Excavator Engine Parts

Excavator model : 3512 3516

Payment : T/T, Western Union, MoneyGram

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144‑0725 381‑6551 Connecting Rod For CAT 3512 3516 Excavator Diesel Engine

Heavy‑duty forged connecting rod 144‑0725 & 381‑6551 for CAT 3512 3516 engine, high‑strength replacement part for large generator sets and mining equipment overhaul.

144‑0725 and 381‑6551 connecting rods are high‑quality aftermarket parts for CAT 3512 and 3516 engines. Made of high‑grade alloy steel with precision forging and professional heat‑treatment, they feature excellent structural stability and impact resistance. Precision‑processed bores ensure perfect assembly with piston pin and crankshaft. Standard size matches original parts exactly, ideal for large engine overhaul and maintenance.

Key Features

OEM standard connecting rods: 144‑0725, 381‑6551 for CAT 3512 & 3516 engines
Integral alloy steel forging, overall quenching & tempering heat‑treatment, high tensile strength, anti‑fatigue & anti‑breakage
Precision‑machined big/small end bore, accurate dimensional tolerance, stable fit with crankshaft and piston pin
Surface hardening treatment, long service life under continuous heavy‑load power generation and mining operation
Standard mounting size same as genuine parts, direct bolt‑on replacement
Widely used for CAT large industrial engines, generator sets and mining machinery

Product Information

Item	Specification
Part Number	144‑0725 381‑6551
For Engine	CAT 3512 3516 Diesel Engine
Material	High‑Strength Alloy Steel, Precision Forged
Process	Heat‑Treated, Surface Hardened, Precision Machining
Function	Connect piston and crankshaft, transmit power
Condition	Brand New Aftermarket Replacement

Related products

Category	Details
General OEM Series	144‑0725, 381‑6551
Compatible Equipment	CAT 3512 3516

Fitment Application

These connecting rods are core engine components for CAT 3512 and 3516 heavy‑duty diesel engines. Widely applied in large‑scale generator sets, mining equipment, marine power units and industrial continuous power supply projects.

144‑0725 381‑6551 Connecting Rod For CAT 3512 3516 Excavator Diesel Engine

FAQ

Q1: Which connecting rod fits 3512 engine?

A1: 144‑0725.

Q2: Which connecting rod fits 3516 engine?

A2: 381‑6551.

Q3: Are they forged heavy‑duty type?

A3: Yes, alloy steel forged with heat‑treated and surface hardening treatment.

Q4: Which equipment do they fit?

A4: CAT 3512 & 3516 generator sets, industrial engines and mining power units.

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