Delco Remy Alternator Models

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22SI™ HP Brush Type Alternator

Performance Output	12 Volt 150 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	93°C / 200°F
Mounting	J180 Hinge Pad
Polarity	Negative Ground
Efficiency	57 %
Weight	14.1 lbs / 6.4 kg
Stator Diameter	5.67 in / 144 mm
Length	8.54 in / 217 mm
Warranty *(US /Canada Only)	1 year / unlimited miles

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24SI™ Brush Type Alternator

Performance Output	12 Volt 160 Amps 24 Volt 70 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	105°C / 221°F
Mounting	J180 Hinge Pad
Polarity	Negative Ground
Efficiency	12 Volt 62% 24 Volt 72%
Weight	16.2 lbs / 7.7 kg
Stator Diameter	5.67 in / 144 mm
Length	9.22 in / 234.1 mm
Warranty *(US /Canada Only)	1 year / unlimited miles

28SI™ Brush Type Alternator

Performance Output	12 Volt 160, 180, & 200 Amps 24 Volt 110 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	125°C / 257°F
Mounting	J180 Short Hinge J180 Long Hinge Pad
Polarity	Negative Ground
Efficiency	12 Volt 66% 24 Volt 76%
Weight	18.7 lbs / 8.5 kg
Stator Diameter	5.67 in / 144 mm
Length	9.27 in / 235.6 mm
Remote Sense	Standard
Warranty *(US /Canada Only)	1 year / unlimited miles 2 year / unlimited miles - School Bus

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33SI™ Brushless Type Alternator

Performance Output	12 Volts 110 & 135 Amps 24 Volts 75 & 100 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise Counterclockwise
Temperature Rating	93°C / 200°F
Mounting	J180 Hinge
Polarity	Negative Ground (Standard) Isolated Ground (Available)
Efficiency	60%
Weight	24.5 lbs / 11.1 kg
Stator Diameter	5.98 in / 152 mm
Length	10.35 in / 263 mm
Warranty *(US /Canada Only)	1 year / unlimited miles

34SI™ Brushless Type Alternator

Performance Output	12 Volts 110 & 135 Amps 24 Volts 75 & 100 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise Counterclockwise
Temperature Rating	93°C / 200°F
Mounting	Quad Pad
Polarity	Negative Ground (Standard) Isolated Ground (Available)
Efficiency	60%
Weight	25.4 lbs / 11.5 kg
Stator Diameter	5.98 in / 152 mm
Length	10.35 in / 263 mm
Warranty *(US /Canada Only)	1 year / unlimited miles

35SI™ Brushless Type Alternator

Performance Output	12 Volts 110 & 135 Amps
Maximum Speed	10,000 RPM Continuous 12,000 RPM Intermittent
Rotation	Clockwise Counterclockwise
Temperature Rating	105°C / 221°F
Mounting	J180 Hinge Quad Pad
Polarity	Negative Ground
Efficiency	60%
Weight	25.4 lbs / 11.5 kg
Stator Diameter	5.98 in / 152 mm
Length	10.35 in / 263 mm
Remote Sense	Optional
Warranty *(US /Canada Only)	3 year / 350,000 miles (new) 2 year / 250,000 miles (reman)

36SI™ Brushless Type Alternator

Performance Output	12 Volts 170 Amps (100 Amps at idle) 24 Volts 105 Amps
Maximum Speed	8,000 RPM Continuous 10,000 RPM Intermittent
Rotation	Clockwise Counterclockwise
Temperature Rating	125°C / 257°F
Mounting	J180 Short Hinge Quad Pad
Polarity	Negative Ground (Standard) Isolated Ground (Available)
Efficiency	68%
Weight	25.4 lbs / 11.5 kg
Stator Diameter	5.98 in / 152 mm
Length	10.35 in / 263 mm
Remote Sense	Optional
Warranty *(US /Canada Only)	3 year / 350,000 miles - New Service 2 year / 250,000 miles - Reman

38SI™ Brushless Type Alternator

Performance Output	12 Volts 215 Amps (121 Amps at idle)
Maximum Speed	8,000 RPM Continuous 10,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	130°C / 266°F
Mounting	Pad
Polarity	Negative Ground
Efficiency	72%
Weight	30.4 lbs / 13.8 kg
Stator Diameter	5.98 in / 152 mm
Length	9.99 in / 253.8 mm
Remote Sense	Standard
Warranty *(US /Canada Only)	3 year / unlimited miles

 

40SI™ Brushless Type Alternator

Performance Output	12 Volts 240 Amps (160 Amps at idle) 12 Volts 275 Amps (180 Amps at idle) 12 Volts 300 Amps (190 Amps at idle) 12 Volts 320 Amps (190 Amps at idle)
Maximum Speed	8,000 RPM Continuous 10,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	240 & 275 Amp: 125°C / 257°F 300 & 320 Amp: 115°C / 239°F
Mounting	J180 Short Hinge J180 Long Hinge Pad
Polarity	Negative Ground
Efficiency	72%
Weight	31.0 lbs / 14.1 kg
Stator Diameter	5.98 in / 152 mm
Length	9.92 in / 252 mm
Remote Sense	Standard
Warranty *(US /Canada Only)	3 year / unlimited miles

 

55SI™ Brushless Type Alternator

Performance Output	12 Volts 430 Amps 24 Volts 250 & 275 Amps
Maximum Speed	8,000 RPM Continuous 9,000 RPM Intermittent
Rotation	Clockwise
Temperature Rating	12V 430A 93°C / 200°F 24V 250A 125°C / 257°F 24V 275A 110°C / 230°F
Mounting	Pad
Polarity	Negative Ground
Efficiency	12 Volts 73% 24 Volts 80%
Weight	43.2 lbs / 19.6 kg
Stator Diameter	6.89 in / 175 mm
Length	11.25 in / 285.9 mm
Remote Sense	Standard
Warranty *(US /Canada Only)	3 year / unlimited miles