Loading        
text.skipToContent text.skipToNavigation
 
 
Delco Remy logo

Delco Remy 55SI Heavy Duty Alternator, 24V, 250 Amp, Brushless, Standard Pad Mount

#DEC61006082

Product Overview


Designed for demanding electrical loads in heavy duty vehicles, the 55SI alternator supports 24V systems such as off-highway equipment, transit, and coach buses. It delivers high output performance at engine idle and features a brushless design for durability and longer life.Alternator, Heavy Duty, 5/16 B+ Output Terminal, 250 A Current Rating, 12 Volt: 73%, 24 Volt: 80% Efficiency, 8000 rpm Continuous, 9000 rpm Intermittent Maximum Speed, Model 55SI, Standard Pad (80 mm) Mounting, Negative Polarity, Clockwise Rotation Direction, 6.9 in Stator Dia, 24 V System, 125 °C Temperature Rating, Negative Terminals, 11.25 in Length

See More
See Less

Features & Benefits


  • Powerful: 24 V 250 A model provides high output performance at engine idle for applications with significant electrical loads
  • Durable: brushless design with fewer moving parts reduces wear and extends service life
  • Equipped with remote sense terminal to reduce battery charge time by up to 50%, ensuring proper voltage at the battery for a full charge between stops
  • Efficient: high efficiency (24 V: 80%) reduces engine horsepower requirements, resulting in fuel savings
  • Compact: weighs 43.2 pounds with a frame length of 8 inches, freeing up engine mounting space
  • Warranty: 3 year/unlimited miles

Specifications


Amps 250 amp
Application Heavy Duty
B+ Output Terminal 5/16 in
Contents Alternator, Instruction Sheet
Fan Type External
I Terminal #10
Manufacturer Delco Remy
Model 55SI
New or Remanufactured New
Polarity Negative
Remote Sense Terminal Yes
Rotation CW-Clockwise
R Terminal 10
Terminal No. 10
Type Heavy Duty
Volt 24V
Voltage Regulator Type Internal
Weight 43.2 lb
Current Rating 250 A
Efficiency 80%
Length 11.25 in
Maximum Speed 8000 rpm Continuous, 9000 rpm Intermittent
Mounting Configuration Standard Pad (80 mm)
Rotation Direction Clockwise
Stator Diameter 6.9 in
System Voltage 24 V
Temperature Rating 125 °C
# Terminals Negative
Product Category Alternator

Interchanges & Equivalent parts:


8600453
8600483
8600737
8600739
8600807
See more