Delco Remy International, LLC 20-117-1 Alternator

Description:

The Delco Remy 20SI 12V 60AMP Alternator 20-117 / 20-117-1 is used in heavy-duty vehicle charging and industrial engine electrical systems. Commonly installed in Caterpillar equipment, Cummins-powered machinery, GMC trucks, and industrial diesel engine applications from 1978 and newer requiring reliable 12V charging performance. Maintenance technicians, fleet operators, and heavy equipment service engineers use this alternator for replacement, retrofit, or restoration of vehicle and equipment charging systems.

Applications:

The Delco Remy 20SI 20-117 / 20-117-1 alternator is commonly used in heavy-duty transportation and industrial equipment systems to provide battery charging, electrical system support, and stable power generation for diesel engine applications. It is installed in Caterpillar machinery, Cummins engine platforms, GMC commercial trucks, construction equipment, and industrial vehicles where dependable 60-amp charging output and durable alternator performance are required.

Technical Specifications:

• Manufacturer: Delco Remy
• Part Number: 20-117 / 20-117-1
• Series: 20SI
• Product Type: Alternator
• Output Voltage: 12V
• Output Current: 60 Amp
• Application: Heavy-duty vehicle and industrial engine charging systems
• Compatible Engines: Caterpillar, Cummins, GMC applications
• Vehicle Compatibility: 1978 and newer heavy-duty systems
• Mounting Type: Engine-mounted alternator
• Cooling Type: Internal fan cooled
• System Compatibility: Diesel engine electrical systems
• Intended Use: Battery charging and electrical power generation

Common Replacements:

• Delco Remy 19020310 20SI Alternator
• Leece-Neville 110-555JHO Alternator
• Prestolite 8LHA2070VF Alternator