Denso Alternator 24V 65A New 101211-8140

This Denso alternator is a new 24V, 65A unit with part number 101211-8140. It is listed with an internal regulator, twin leg alternator mount, and a brushless design, so the key match points are the electrical rating, mounting pattern, and shaft dimensions rather than just the general alternator shape.

The unit measures 101mm inside mounting legs, 198mm mount centre to centre, with a 1/2 UNC adjusting hole and 13mm pivot hole diameter. The shaft diameter is 22mm, and the alternator weighs 10.6kg. Those figures are important when checking alignment, bracket spacing, and pulley or drive compatibility before ordering.

Denso identifies this as a new alternator in the rotating electrical group, backed by a 12 months 20000km warranty. It is described as using premium cores, precise OE assembly benchmarks, and a compact, lightweight design, but the practical buying decision should still come back to the part number, voltage, amperage, and mounting measurements on the existing unit.

Key Features

• 24V alternator rated at 65A
• New unit, not remanufactured
• Internal regulator
• Twin leg alternator mount
• Brushless design
• Part number 101211-8140

Specifications

• Brand: Denso
• Product type: Alternator
• Voltage: 24V
• Power rating: 65A
• Part No.: 101211-8140
• New / Reman.: New
• Regulator type: Internal
• Alternator mount: Twin Leg

Known application groups supplied

• ATLAS COPCO ROC D7-RRC
• BARKO VARIOUS
• CASE 1150K
• CASE 1650L
• CASE 1850K
• CASE 621E
• CASE 621EXR
• CASE 621EXT

Application and Buying Notes

Before buying, compare the part number 101211-8140 with the unit already fitted, then check the 24V charging system and 65A output requirement. The mounting arrangement also needs to match: this alternator uses a twin leg mount, 101mm inside mounting legs, 198mm centre to centre, a 1/2 UNC adjusting hole, and a 13mm pivot hole diameter.

The 22mm shaft diameter is another important checkpoint, especially if the pulley, hub, or drive setup is being reused. Even where a machine family appears in the fitment list, the exact bracket, pulley, and electrical arrangement should still be compared on the machine itself because alternators can vary within a model line.

This unit is new and carries an internal regulator, so it is intended as a direct replacement style alternator where those specifications match. The listed weight is 10.6kg, which can be useful when handling freight, comparing to an existing part, or confirming you are not dealing with a different case style.

The fitment group supplied includes ATLAS COPCO, BARKO, CASE, and CATERPILLAR applications, but the safest way to confirm compatibility is by matching the application details with the dimensions and part number together. If the existing alternator differs in mounting leg spacing, shaft size, or voltage, stop and verify before installation.

For workshop or fleet purchasing, the most useful checks are the vehicle or machine application, the charging voltage, the amperage rating, and the physical mount pattern. Those details are what separate a suitable replacement from a part that is close in appearance but not correct for the job.

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 101211-8140 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 12 Months 20000km, Inside Mounting Legs 101mm, Power Rating (Amp) 65, Shaft Diameter 22mm, Voltage 24, Alternator Mount Twin Leg, New / Reman. New, Weight 10.6kg.

Additional published details for cross-checking include Product Group 1 ROTATING ELECTRICAL, Part No. 101211-8140, Brand DENSO, Description Denso Alternator 24V 65A, Adjusting Hole Diameter 1/2 UNC, Pivot Hole Diameter 13, Regulator Type Internal, Suits Unit Make Denso, Note Brushless, Mount Cnt to Cnt 198mm.

Denso Alternator 24V 65A. Part number 101211-8140 should be checked first. Listed voltage is 24. Listed output rating is 65. These details form the core reference points used by parts interpreters when confirming the correct replacement.

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

For part number 101211-8140, 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 65 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include ATLAS COPCO ROC D7-RRC, BARKO VARIOUS, CASE 1150K, CASE 1650L, CASE 1850K, CASE 621E. Even with application listings, final confirmation should still be based on the exact unit being replaced and the service requirements of the vehicle or machine.

The listed warranty is 12 Months 20000km. Warranty terms should be considered alongside correct application and part identification, as warranty does not replace fitment confirmation.

Compatibility note: Confirm fitment by matching part number 101211-8140, 24V system voltage, 65A output, twin leg mount, and the listed mounting and shaft dimensions against the existing alternator and application details before purchase.

FAQ

What is the part number for this alternator?

The part number listed is 101211-8140.

Is this alternator new or remanufactured?

It is listed as new, not remanufactured.

What voltage and output does it have?

It is a 24V alternator with a 65A power rating.

Does it use an internal regulator?

Yes, the regulator type is listed as internal.

What mount and key dimensions should be checked?

Check the twin leg mount, 101mm inside mounting legs, 198mm centre to centre, 1/2 UNC adjusting hole, 13mm pivot hole diameter, and 22mm shaft diameter.

What warranty is listed?

The listed warranty is 12 months or 20000km.