Product Overview:
4988274 is a 12V 95A heavy-duty alternator for Cummins 4BT/6BT/ISDE series engines. Engineered for continuous heavy-load operation, it delivers stable charging under idle, high-temperature and high-vibration conditions. Highly universal and durable, it is a premium replacement for construction machinery, passenger buses, electric-heavy trucks and field generator sets.
4988274 alternator Specification:
Item
Parameter
Main OEM PN
4988274
Cross Reference OE PN
3972730, 5293586, 3282554
Electrical Specs
12V, 95A
Model Type
Delco 11SI series, internal voltage regulator
Rotation
Clockwise (CW)
Pulley
Fixed 8-groove multi-rib pulley
Winding Material
Pure copper coil
Net Weight
~3.9kg (aftermarket unit) / 15kg (OEM complete assembly with package)
Compatible Engines
4BT3.9, 6BTA5.9, QSB3.3, 6CT8.3, ISDE4.5/6.7, ISB3.9
Key Features:
✅Model: 4988274, 12V 95A 11SI alternator
✅Full copper coil for stable charging
✅Shock & dust resistant for heavy-duty use
✅Designed for medium & heavy-duty diesel construction machinery and commercial vehicles
APPlication:
✅Construction: New Holland loaders, Case tractors, Terex trucks, mini excavators, skid steers
✅Trucks & buses: Dongfeng Kinland light diesel trucks, light passenger coaches
✅Fixed power: Small generators, industrial power machinery
Why Choose us?
✅Professional China-based Cummins parts supplier
✅Genuine Cummins quality, strict factory inspection
✅Direct factory supply with competitive cost advantage
✅Stable stock & fast global delivery
Name: Aandy
Mobile:
Tel:19924579082
Email:1941346301@qq.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen