What is the minimum output for the Ford 3G 95 amp generator?

The 95 amp generator should produce a minimum of 76 amps at 2000 engine RPM.

What is the minimum output for the Ford 3G 130 amp generator?

The 130 amp generator should produce a minimum of 87 amps at 2000 engine RPM.

What is the minimum output spec for the Mitsubishi 215 amp generator?

160 amps minimum at 1750 engine RPM.

How does temperature affect the Leece-Neville 165 amp generator's output?

The chart shows two curves: output at 25°C/77°F is higher than output at 93°C/199°F across the RPM range. Both curves were established by the SAE method.

Is the Leece-Neville chart plotted against engine speed or generator speed?

It is plotted against generator RPM (1000–8000 RPM), unlike the other three charts which use engine speed (0–2500 RPM).

Home/ Registry/ Ford/ Bronco/ 1980-1986/ “That dirty old truck”/ Photo supermotors.net/registry/media/1164379

Ford 3G Alternator Output Curves - 95/130 Amp, Leece-Neville 165A, Mitsubishi 215A

Reference charts of Ford 3G, Leece-Neville 165A and Mitsubishi 215A generator output curves, amps versus engine speed

Alternator Output Curves for Ford 3G (95A & 130A), Leece-Neville 165A, and Mitsubishi 215A

Use an inductive meter rated for at least 200A DC around the heavy Bk/Or alternator output wire while a heavy load is applied to the battery, and the engine is near 2000 RPM.

Preliminary checks to the charging system should be made regardless of the fault condition. These checks include:
1. Check battery posts and cable terminals for clean and tight connections. Clean the posts and the cables to ensure good electrical contact.

2. Check for secure connections at the generator output, generator case, regulator, and engine ground. Also check the connection at the load distribution point (starter relay).
. . .
3. Check the generator belt and belt tension.

4. Check the fuses/fuse links and wiring to the generator to ensure that they are not burned or damaged. This condition, resulting in an open circuit or high resistance, can cause erratic or intermittent charging system concerns.

5. Check the battery voltage. If the voltage is less than 12.3 volts with the engine and all accessories off, charge battery before proceeding.

Owner caption March 2021 · Photo 0 of 5000

This document presents alternator (generator) output curves for four Ford-application charging units. Two charts cover the Ford 3rd-Generation (3G) internal-fan, rear-mount-regulator generators: the 95-amp unit, which must produce a minimum of 76 amps at 2000 engine RPM, and the 130-amp unit, which must produce a minimum of 87 amps at 2000 engine RPM. Both are plotted as amperage output (0–180 amps scale) versus engine speed (0–2500 RPM), with output rising steeply from roughly 500 RPM and leveling off toward rated capacity. A third chart shows the Leece-Neville 165-amp generator with two curves — one at 25°C/77°F and one at 93°C/199°F — plotted against generator RPM (1000–8000), both established by the SAE method; hot output is lower than cold output. The fourth chart shows the Mitsubishi 215-amp generator output curve versus engine speed, with a minimum specification of 160 amps at 1750 RPM. A reader can use these curves to verify whether an alternator is producing adequate output at a given engine or generator speed, useful for diagnosing charging-system problems or comparing upgrade options among the 95A, 130A, 165A, and 215A units.

Is this accurate? Sign in to help verify it.

Frequently asked questions

What is the minimum output for the Ford 3G 95 amp generator?: The 95 amp generator should produce a minimum of 76 amps at 2000 engine RPM.
What is the minimum output for the Ford 3G 130 amp generator?: The 130 amp generator should produce a minimum of 87 amps at 2000 engine RPM.
What is the minimum output spec for the Mitsubishi 215 amp generator?: 160 amps minimum at 1750 engine RPM.
How does temperature affect the Leece-Neville 165 amp generator's output?: The chart shows two curves: output at 25°C/77°F is higher than output at 93°C/199°F across the RPM range. Both curves were established by the SAE method.
Is the Leece-Neville chart plotted against engine speed or generator speed?: It is plotted against generator RPM (1000–8000 RPM), unlike the other three charts which use engine speed (0–2500 RPM).