Mitsubishi Alternator 24V 120A A4TA8691AMA

The Mitsubishi Alternator 24V 120A is a new rotating electrical unit supplied as each, with part number A4TA8691AMA. It is a 24 volt alternator rated at 120 amp, fitted with an internal regulator and a 10 groove pulley, and it suits unit make Mitsubishi.

This alternator is listed with a single leg mount, mount leg thickness of 56mm, mount centre to centre of 156mm, pivot hole diameter of 10.5mm, and adjusting hole diameter of 10mm. The pulley outside diameter is 64mm and the shaft dimension is 17mm, which are useful checks when comparing against the unit already fitted.

Mitsubishi identifies this unit as a small size, high output alternator with a minimum number of parts and low noise characteristics for wind and electromagnetic noise. For buyers matching a replacement, the important identifiers to confirm are the 24V system, 120A output, A4TA8691AMA part number, internal regulator, and 10 groove pulley arrangement.

Key Features

• 24V alternator with 120A output
• Internal regulator
• 10 groove pulley
• Single leg mount
• New unit, sold each
• Low noise design

Specifications

• Brand: Mitsubishi
• Product type: Alternator
• Part No.: A4TA8691AMA
• Voltage: 24V
• Power rating: 120A
• Regulator type: Internal
• Alternator mount: Single Leg
• Pulley section: 10 Groove

Known application references

• Volvo B12
• Volvo B12 2006
• Volvo B7
• Volvo B7 1998
• Volvo B7 2008
• Volvo Construction
• Volvo Construction BL60
• Volvo Construction BL60 2008

Application and Buying Notes

When replacing an alternator, the safest approach is to match the part number A4TA8691AMA first, then confirm the electrical system is 24V and the output required is 120A. Those three points separate this unit from lower-output or different-voltage alternators and are the main checks before ordering.

Mounting details matter just as much as the electrical rating. This alternator uses a single leg mount, with a 56mm mount leg thickness, 156mm mount centre to centre, 10.5mm pivot hole diameter, and 10mm adjusting hole diameter. If those dimensions do not line up with the existing bracket and adjuster arrangement, the unit may not be the correct replacement even if the voltage looks right.

The pulley specification also needs attention. This unit has a 10 groove pulley with a 64mm outside diameter, so the belt type and pulley layout on the vehicle or machine should be checked carefully. The shaft dimension is 17mm, which is another useful comparison point when assessing the replacement alternator.

For buyers working from a vehicle list, the supplied application references include Volvo B12, Volvo B7, and a wide range of Volvo Construction models. Even with those references available, the correct method is still to confirm the installed part details, mounting style, pulley configuration, and 24V 120A rating against the existing unit before purchasing.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number A4TA8691AMA helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty 2 Years 400,000km, Mount Leg Thickness 56mm, Pivot Hole Diameter 10.5, Pulley Outside Diameter 64mm, Regulator Type Internal, Voltage 24, Mount Cnt to Cnt 156mm, Shaft Dimension 17.

Additional published details for cross-checking include Product Group 2 ALTERNATORS, Part No. A4TA8691AMA, Brand MITSUBISHI, Description Mitsubishi Alternator 24V 120A, Adjusting Hole Diameter 10, Pin Code IR154, Power Rating (Amp) 120, Pulley Section 10 Groove, Suits Unit Make Mitsubishi.

Mitsubishi Alternator 24V 120A. Part number A4TA8691AMA should be checked first. Listed voltage is 24. Listed output rating is 120. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Single Leg. Regulator type is Internal. Pulley configuration is 10 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number A4TA8691AMA, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a alternator in workshop, fleet, trade, agricultural, or construction service, the listed voltage 24 and output 120 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm compatibility by matching the part number A4TA8691AMA, the 24V 120A specification, single leg mount details, and the 10 groove pulley arrangement against the unit already fitted.

FAQ

What is the part number for this alternator?

The part number is A4TA8691AMA. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.

Is this alternator 12V or 24V?

It is a 24V alternator. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.

What is the output rating?

The alternator is rated at 120A. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.

Does it use an internal regulator?

Yes. The regulator type is internal. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.

What pulley does it use?

It has a 10 groove pulley with a 64mm outside diameter. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.

What vehicles or machines are listed against it?

Supplied application references include Volvo B12, Volvo B7, and multiple Volvo Construction models. Final fitment should still be confirmed against the part number and mounting details. For this listing, part number A4TA8691AMA is the main reference point. Listed voltage is 24. Listed output rating is 120. Published fitment references include VOLVO B12, VOLVO B12 2006, VOLVO B7. These details should still be checked against the original unit before ordering.