Alternator AT220393 for CASE 6 6.78L Engine

OEM / REF: AT220393SKU: pilotpart425669

New Alternator AT220393 RE505895 RE506196 RE509106 RE519629 RE533516 For Case Uniloader Uni Loader 1835B 1835C 1840 1845C W11B is a Alternator replacement part indexed for John Deere 6603 · 6 6.78L and John Deere 6403 · 4 4.52L, with 3 application records on file. Match OEM part number AT220393 and confirm fitment f...

Stock
In stock
Condition
New
Fitment
CASE Engine Spare Parts
Category
Alternator
  • Fitment support before you order
  • Worldwide delivery options

Alternator Description

This Alternator is indexed for John Deere 6603 · 6 6.78L; John Deere 6403 · 4 4.52L; Case 1835B; Case 1835C. Compare reference number AT220393 against the label on your existing CASE component before ordering.

Additional cross references on file: RE505895, RE506196, RE509106. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • John Deere 6603 · 6 6.78L
  • John Deere 6403 · 4 4.52L
  • Case 1835B
  • Case 1835C
  • Case 1840
  • Case 1845C
  • Case W11B

Specifications

Voltage12V
Amperage65A
DesignIR/EF?
RotationCW
Pulley Classw/o Pulley
Feature 1100% Top-rated
Part NumberAT220393, RE505895, RE506196, RE509106, RE519629, RE533516

Fitment Notes

Brand or application signal
CASE Engine Spare Parts
Product family
Alternator
System category
Engine Spare Parts > Engine Auxiliary Components > Alternator
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.