3979372 DCEC 28V 70A Alternator For 6CT 6BT Engines

This universal  Alternator developed for Cummins 6BT, 6CT and early 6L diesel engines.. It supplies stable continuous 28V 70A output to satisfy basic electrical loads for engineering machines and heavy trucks, and ranks among top‑popular repair replacement parts.

3979372 Alternator Specification:

Key Features:

✅Professional Construction-Grade Anti-Vibration & Dustproof Design

✅multi‑platform universal & Iteration Upgrade

✅Brushed excitation with built‑in voltage regulato

Application:

✔️Construction Machinery (Core Applications): 5‑ton loaders, excavators, rotary drilling rigs, cement mixer trucks

✔️Heavy‑Duty Trucks: Early Dongfeng heavy‑duty trucks, CAMAZ models assembled with Cummins engines

✔️Buses: Selected rear‑engine buses equipped with 6CT engines

Why Choose US?

✅100% genuine Cummins CCEC parts

✅Professional technical support for fitment verification・

✅Competitive wholesale pricing

✅Fast global shipping

FAQ

Q1: Is this a brushed or brushless alternator?

A: Brushed type with built-in regulator, stable output and lower maintenance cost for construction equipmen

Q2: What is its rated specification?

A: 28V 70A output for 24V battery system, brushed type with integrated built‑in voltage regulator, 8PK pulley.

Q3: What working conditions is this alternator NOT suitable for?

A: Not designed for marine applications or heavy‑duty mining with extreme continuous shock and vibration. It is for land‑based heavy‑duty use only.