AJ-ELECTRIC 4890JB / A0014890JB Premium Heavy-Duty 320 Amp Leece-Neville Replacement Alternator

Premium-quality heavy-duty alternator designed as a direct replacement for Leece-Neville 4890JB, A0014890JB and related 4800 Series alternators used in fire apparatus, emergency vehicles, buses and medium/heavy-duty truck applications.

12 Volt • 320 Amp • J-180 Long Mount • Self-Excite

Designed for severe-service applications requiring dependable high-output charging capacity.

KEY FEATURES

• 12 Volt, 320 Amp output
• 14.2 Volt regulator set point
• Heavy-duty J-180 long mounting
• Self-excite operation
• Internal / integrated voltage regulator
• Internal rectifier
• External fan
• Clockwise rotation
• Local regulator sense
• Negative ground
• Heavy-duty construction for severe-service applications
• Computer tested for consistent output and reliability
• Full Two-Year Warranty
• Assembled in the USA with U.S. and imported components

OEM & INTERCHANGE NUMBERS

Leece-Neville / Prestolite:
4890JB, A0014890JB, 4890JBRM, A0014890JBH, 110-1000

Daimler / Freightliner: LN4890JB
Dometic: 710035095
FWD: P1821100, P2303100
HME: 34014-86
International / Navistar: 2507416C91, 3553810C91, ZLN4890JB, 1242326
Kovatch / KME: 029946V001
Mack: 2MJ4148, 5034-4890JB
North American Bus Industries: 6306579
Pierce Manufacturing: 1242326
Sutphen Fire Equipment: 4890J
Volvo: LN4890JB
AGCO: 71479178
Wilson: 90-04-7075
Delco Remy: 8600300 — 40SI replacement

APPLICATIONS

Used in a variety of severe-service and high-output charging applications including:

• Fire trucks and emergency vehicles
• Blue Bird medium/heavy-duty vehicles
• Freightliner heavy-duty and medium/heavy-duty trucks
• International heavy-duty and medium-duty trucks
• Mack trucks
• Volvo trucks
• Western Star trucks
• Selected Caterpillar, Cummins and International-powered applications

TECHNICAL SPECIFICATIONS

OEM: Leece-Neville / Prestolite
Series: 4800
System Voltage: 12V
Rated Output: 320 Amps
Regulator Set Point: 14.2V
Mounting: J-180 Long Hinge
Excitation: Self-Excite
Regulator Sense: Local
Regulator: Internal / Integrated
Rectifier: Internal
Fan: External
Rotation: Clockwise
Polarity: Negative Ground
Mounting Bolt: 1/2-13 UNC
Positive Stud: 5/16-18 UNC
Negative Stud: 3/8-16 UNC
Shaft Diameter: 7/8 inch
Operating Temperature:-40°C to +110°C

Weight: Approximately 37 lbs.