144‑0725 381‑6551 Connecting Rod For CAT 3512 3516 Excavator Diesel Engine
Price:
$286- $368
MOQ:
1
Delivery Time:
3-7 work days
Brand:
CAT
Product Description
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.
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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Get in Touch
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Company
Guangzhou Lanxin Machinery Equipment Co., Ltd
Location
No. 407, Building 4, Tianji International Machinery, 12 Dongheng Sanlu Road, Zhujun District, Guangzhou City
Contact Person
Isaac