Generator Specifications

BOSCH GENERATOR SPECIFICATIONS (C70, S70 & V70)

Application		Specifications
Slip Rings Min. Diameter		.53" (14 mm)
Max. Runout
Slip Rings		.001" (.03 mm)
Rotor Body		.002" (.05 mm)
Brushes Min. Length		.19" (5 mm)
80-amp
Rotor Winding Resistance		2.6 ohms
Stator Winding Resistance		.027 ohms
100-amp
Rotor Winding Resistance		2.6 ohms
Stator Winding Resistance		.02 ohms
115-amp
Rotor Winding Resistance		2.6 ohms
Stator Winding Resistance		.051 ohms

BOSCH GENERATOR SPECIFICATIONS (S90 & V90)

Application

Specifications

Slip Rings Min. Diameter

55/65/80/90-amp

1.03" (26.8 mm)

100-amp

1.03" (27 mm)

100/120-amp

.54" (14 mm)

Max. Runout

Slip Rings

.001" (.03 mm)

Rotor Body

⁽¹⁾ .002" (.05 mm)

Brushes Min. Length

.19" (5 mm)

55-amp

Rotor Winding Resistance

3.4-3.7 ohms

Stator Winding Resistance

.14-.15 ohms

65-amp

Rotor Winding Resistance

2.8 ohms

Stator Winding Resistance

.10 ohms

80-amp

Rotor Winding Resistance

2.9 ohms

Stator Winding Resistance

.09 ohms

90-amp

Rotor Winding Resistance

2.9 ohms

Stator Winding Resistance

.09 ohms

100-amp

Rotor Winding Resistance

2.6 ohms

Stator Winding Resistance

.05 ohms

120-amp

Rotor Winding Resistance

2.6 ohms

Stator Winding Resistance

.02 ohms

⁽¹⁾	.001" (.03 mm) on 100-amp generators.

NIPPONDENSO GENERATOR SPECIFICATIONS (C70, S70 & V70)

Application		Specification
Slip Rings Min. Diameter (80-amp)		.49" (12.8 mm)
Max. Runout
Slip Rings		.001" (.03 mm)
Rotor Body		.002" (.05 mm)
Brushes Min. Length		.21" (5.5 mm)
80-amp
Rotor Winding Resistance		2.9 ohms
Stator Winding Resistance		.03 ohms

NIPPONDENSO GENERATOR SPECIFICATIONS (S90 & V90)

Application		Specification
Slip Rings Min. Diameter
80-amp		.49" (12.8 mm)
100-amp		.49" (12.8 mm)
Brushes Min. Length		.21" (5.5 mm)
80-amp
Rotor Winding Resistance		2.9 ohms
Stator Winding Resistance		.04 ohms
100-amp
Rotor Winding Resistance		2.3 ohms
Stator Winding Resistance		.03 ohms