Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Part-number relationships
Relationship
Reference family
Number
Primary Regulator Part Number
Transpo/WAI regulator number
IX126
Manufacturer Cross-Reference
Mobiletron voltage regulator
VR-F154B
Cross-reference (fitment check required)
regulator number
ARE4018
Fits Alternator Number
Marelli alternator unit; not a regulator interchange
63307466
Fits Alternator Number
Marelli alternator unit; not a regulator interchange
63377466
Fits Alternator Number
Denso alternator unit; not a regulator interchange
102211-8140
Fits Alternator Number
Denso alternator unit; not a regulator interchange
102211-8150
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
IX126
Manufacturer number
VR-F154B
Cross-reference (fitment check required)
ARE4018
Other documented relationship
63307466
63377466
102211-8140
102211-8150
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
24V Alternator Voltage Regulator, 28.5V Set Point
Category
Alternators
Catalog ID
77259085
Photo views
6
Before ordering
Confirm these details
Confirm voltage and rated amperage against the original alternator label.
Compare mounting ears, pulley type and pulley-groove count.
Check plug shape, terminal position and regulator connection.
Verify the engine model and machine serial range before ordering.
Fitment limitation: Confirm IX126 or VR-F154B, 24V system, 28.5V set point, L-W terminals and mounting footprint
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about IX126
Which machines use IX126?
Recorded compatible model references include Alternator family: Marelli 63307465 / 63307466, Alternator family: Marelli 63377465 / 63377466, Alternator family: Denso 102211-8140 / 102211-8150, Engine example: Caterpillar 3056E, Machine example: Caterpillar M322C, Machine example: Terex SKL873. Recorded fitment/evidence notes: Fitment limitation: Confirm IX126 or VR-F154B, 24V system, 28.5V set point, L-W terminals and mounting footprint. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for IX126?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Manufacturer number: VR-F154B.
How do I confirm IX126 before ordering?
Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.
