Prestolite Alternator 24V 140A Brushless BLD3314GH

The Prestolite alternator under part number BLD3314GH is a 24V, 140A unit supplied new and listed as a twin leg mount alternator. It is a brushless unit with an internal regulator and insulated return, making it a specialised rotating electrical component for heavy-duty applications where the mounting pattern and electrical setup must match the vehicle or machine exactly.

Key physical details include an inside mounting leg measurement of 101mm, mount centre to centre of 216mm, a 13mm pivot hole diameter, a 1/2 UNC adjusting hole diameter, and a 22mm shaft diameter. The unit weight is 13kg, so it is worth checking both the mounting points and available clearance before ordering.

The listed features are aimed at durability and operating stability: above ground design, self excitation, high temperature grease and seals for longer bearing life, and a fan design intended to improve air flow and help keep the alternator cooler under high output load conditions. These are practical details for equipment that spends long periods under electrical demand.

Warranty is listed as 36 months or 500000kms. For buyers comparing replacement alternators, the most important identifiers here are the Prestolite branding, BLD3314GH part number, 24V system voltage, 140A output, and the twin leg mount arrangement.

Key Features

• 24V system voltage
• 140A output rating
• New Prestolite alternator
• Brushless unit
• Internal regulator
• Twin leg mount

Specifications

• Part No.: BLD3314GH
• Brand: Prestolite
• Product type: Alternator
• Voltage: 24V
• Output: 140A
• New / Reman.: New
• Regulator type: Internal
• Mount type: Twin leg

Fitment guidance

• Verified application families include Atlas Copco, Caterpillar, Cummins, Euclid, Hitachi, Iveco, John Deere, Komatsu, Liebherr, and Sandvik.
• Sample listed applications include Atlas Copco MT2010, Caterpillar 785C, 793C, 793D and 994D, Cummins QSB 6.7, Euclid R170, Hitachi EH3500 and EH3500AC-3, Iveco Eurotech MP, Eurotech MT and Powerstar, John Deere 1070D, 1270D and 1410D, Komatsu 830E and 930-E5, Liebherr R9400, and Sandvik DR580.
• Atlas Copco coverage in the data also includes Hurricane 6T 276-41B, Hurricane B641, MT42, ST1030, ST14, ST1520LP, ST1530, ST2D, ST3.5, ST7 and ST7LP.
• Komatsu coverage in the data also includes 830E-1AC, 860E-1K, 930E, 930E-4, 930E-4SE and 960E.
• Hitachi coverage in the data also includes EH3500ACII, EH4000ACII, EH4500ACIII, EH5000, EH5000AC-3 and EH600.

Application and Buying Notes

Before ordering, match the part number BLD3314GH first, then compare the mounting pattern. This alternator is listed with a twin leg mount, 101mm inside mounting legs, and 216mm mount centre to centre, so a close physical match matters just as much as the electrical rating.

The 24V and 140A specification is important because these figures need to suit the vehicle or machine electrical system. A 24V alternator is not a direct substitute for a 12V system, and output capacity should be checked against the original unit and the application requirements.

The internal regulator, insulated return, and brushless design are all useful identifiers when comparing replacements. If the original alternator differs in regulator arrangement, return path, or shaft and hole dimensions, the unit may not be interchangeable even where the external shape appears similar.

A 22mm shaft diameter, 13mm pivot hole, and 1/2 UNC adjusting hole are the kind of details that can prevent costly mistakes. If you are working from a removed alternator, compare these measurements carefully, along with the listed 13kg weight and the available installation space.

For heavy equipment and industrial machinery, application names can be a helpful guide, but they should not replace a direct check of the part number and mounting details. Equipment in the same family can use different alternators depending on build date, specification, or previous repairs.

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 BLD3314GH 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 36 Months 500000kms, Inside Mounting Legs 101mm, Power Rating (Amp) 140, Shaft Diameter 22mm, Voltage 24, Alternator Mount Twin Leg, New / Reman. New, Shaft Dimension 22.

Additional published details for cross-checking include Product Group 2 ALTERNATORS, Part No. BLD3314GH, Brand PRESTOLITE, Description Prestolite Alternator 24V 140A, Adjusting Hole Diameter 1/2 UNC, Pivot Hole Diameter 13, Regulator Type Internal, Suits Unit Make Prestolite, Note Brushless unit.

Prestolite Alternator 24V 140A. Part number BLD3314GH should be checked first. Listed voltage is 24. Listed output rating is 140. 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 BLD3314GH, 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 140 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm compatibility using the BLD3314GH part number, 24V 140A specification, twin leg mount details, and the measured mounting and shaft dimensions before purchase.

FAQ

What is the part number for this alternator?

The listed part number is BLD3314GH.

What voltage and output does it have?

It is a 24V alternator with a 140A power rating.

Is this a new unit or a remanufactured unit?

It is listed as new.

What type of regulator does it use?

It uses an internal regulator.

What mounting details are provided?

It is a twin leg mount alternator with 101mm inside mounting legs and 216mm mount centre to centre.

What warranty is listed?

The listed warranty is 36 months or 500000kms.