1GR-FE CHARGING SERVICE DATA

for DENSO Made
Generator Rated output 12 V 80 A
Voltage regulator Regulating voltage 13.2 to 14.0 V
Battery Standard specific gravity 1.25 to 1.29 at 20°C (68°F)
Charging circuit without load

Standard amperage

(when engine speed at 2,000 rpm)

10 A or less

Standard voltage

(when engine speed at 2,000 rpm)

13.2 to 14.8 V
Charging circuit with load Standard amperage 30 A or higher
Generator rotor assembly Standard resistance Slip rings 1.7 to 2.1 Ω at 20 °C (68°F)
Generator rotor assembly Standard slip ring diameter 14.2 to 14.4 mm (0.559 to 0.567 in.)
Minimum slip ring diameter 14.0 mm (0.551 in.)
Generator brush holder assembly Standard exposed length 9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum exposed length 4.5 mm (0.177 in.)
for BOSCH Made
Generator Rated output 12 V 90 A
Voltage regulator Regulating voltage 13.2 to 14.0 V
Battery Standard specific gravity 1.25 to 1.29 at 20°C (68°F)
Charging circuit without load

Standard amperage

(when engine speed at 2,000 rpm)

10 A or less

Standard voltage

(when engine speed at 2,000 rpm)

13.2 to 14.8 V
Charging circuit with load Standard amperage 30 A or higher
Generator rotor assembly Standard resistance Slip rings 1.8 to 2.8 Ω at 20 °C (68°F)
Generator rotor assembly Standard slip ring diameter 15.3 to 15.5 mm (0.602 to 0.610 in.)
Minimum slip ring diameter 14.9 mm (0.587 in.)
Generator brush holder assembly Standard exposed length on new brush 13.2 mm (0.520 in.)
Minimum exposed length 6.0 mm (0.236 in.)