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

LEARN MORE ABOUT THE 22SI


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
 


50DN™ Alternator

Performance Output 24 Volts 270 Amps
Maximum Speed 6,500 RPM Continuous
7,000 RPM Intermittent
Rotation Clockwise
Counterclockwise
Temperature Rating 121°C/250°F
Mounting Cradle
Polarity Negative Ground
Efficiency 78%
Weight 100.0 lbs / 45.3 kg
Stator Diameter 9.49 in / 241 mm
Length 17.83 in / 453 mm
Drive End Bearing Size 2.44 in / 72 mm
Remote Sense Standard with
50VR Regulator
Warranty
*(US /Canada Only)
1 year / unlimited miles
 


50DN+™ Alternator

Performance Output 24 Volts 450 Amps
Maximum Speed 6,500 RPM Continuous
7,000 RPM Intermittent
Rotation Clockwise
Counterclockwise
Temperature Rating 121°C / 250°F
Mounting Cradle
Polarity Negative Ground
Efficiency 78%
Weight 109.7 lbs / 49.8 kg
Stator Diameter 9.49 in / 241 mm
Length 17.83 in / 453 mm
Drive End Bearing Size 2.44 in / 72 mm
Remote Sense Standard with
50VR Regulator
Warranty
*(US /Canada Only)
1 year / unlimited miles

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T1 Type Alternator

Performance Output 24 Volts 185 Amps
Maximum Speed 7,000 RPM
Rotation Clockwise
Counterclockwise
Temperature Rating 80°C / 176°F
Mounting T1 Style
Polarity Negative Ground
Efficiency 60%
Weight 36.2 lbs / 16.4 kg
Frame Diameter 7.50 in / 190 mm
Length 11.4 in / 289.3 mm
Warranty
*(US /Canada Only)
1 year / unlimited miles

LEARN MORE ABOUT THE T1