The John Deere 388 is an Agricultural / Forestry Machine that uses a Group 31 or two Group 31 batteries, depending on the configuration. Its 12 V electrical system provides 750-1,000 CCA of starting capacity, with a 70-160 A alternator.
Battery specification profile
John Deere 388 Battery Details
Battery size: Group 31 or 2 x Group 31, model dependent | Voltage: 12 V | Starting capacity: 750-1,000 CCA
Battery size
Group 31 or 2 x Group 31, model dependentVoltage
12 VCCA
750-1,000 CCACharging
70-160 A alternator
Group 31 or 2 x Group 31, model dependentVoltage
12 VCCA
750-1,000 CCACharging
70-160 A alternator
Core fitment
Battery overview
Group 31 or 2 x Group 31, model dependentBattery size
12 VBattery voltage
750-1,000 CCACold cranking amps
70-160 A alternatorCharging output
Visual overview
Battery and charging profile
Starting power
Cold-cranking capacity shown against a 2,000 CCA reference scale.
Charging output
Alternator capacity shown against a 330 A reference scale.
Full specifications
Battery, engine and charging details
Battery system
Battery size / groupGroup 31 or 2 x Group 31, model dependent
Battery voltage12 V
Cold cranking amps750-1,000 CCA
Battery typeFlooded lead-acid; AGM optional
Engine and charging
Charging output70-160 A alternator
EngineJohn Deere diesel; model/year dependent
Model typeAgricultural / Forestry Machine
Important fitment note
Verify before ordering
Verify the exact machine before purchase
Specifications can vary by model year, engine, serial number, market and equipment configuration. Always confirm the battery size, voltage, CCA, charging output and engine details against the official operator or service manual and the manufacturer’s website before purchasing parts or carrying out repairs. Visit the official John Deere website.
Specifications can vary by model year, engine, serial number, market and equipment configuration. Always confirm the battery size, voltage, CCA, charging output and engine details against the official operator or service manual and the manufacturer’s website before purchasing parts or carrying out repairs. Visit the official John Deere website.







