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Alternators - LUCAS 1967-1972: Specifications

Nominal Output

Alternator Amps. @ RPM (1) Volts
11 AC 43 @ 6000 12
15ACR 28 @ 6000 12
16ACR 34 @ 6000 12
17ACR 36 @ 6000 12
18ACR 45 @ 6000 12
20ACR 66 @ 6000 12
(1) Charging Voltage; 14.
Resistance Values (Ohms)

Alternator Stator Coil Rotor Coil
11 AC 0.127 3.8
15ACR 0.198 (1) 4.3
16ACR 0.138 (10 4.3
17ACR 0.133 4.2
18ACR 0.087-0.097 3.2
20ACR 0.180-0.200 3.6
(1) With pink windings. Purple windings are 3.3 ohms.