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 Equipment Part Number
Cab blower-motor reference
KHR18640
Published Related Blower Reference
Verify wheel, housing and serial; not unconditional interchange
KHR18730
Published Related Blower Reference
Verify wheel, housing and serial; not unconditional interchange
KHR3999
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
KHR18640
Related assembly
KHR18730
KHR3999
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 Cab HVAC Blower Motor Assembly
Category
Excavator Spare Parts
Catalog ID
53293953
Photo views
5
Before ordering
Confirm these details
Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.
Machine fitment
Compatible model references
3 model references
Published Case excavators: CX75SR / CX80
Additional published Case families: CX135SR / CX225SR; verify serial range
Source-recorded Sumitomo families: SH75X-3B / SH135X-3B / SH225X-3B; verify parts book
Fitment / evidence notes
Fitment limitation: Confirm wheels, rotation, label, connector, clearance and machine serial
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 KHR18640
Which machines use KHR18640?
Recorded compatible model references include Published Case excavators: CX75SR / CX80, Additional published Case families: CX135SR / CX225SR; verify serial range, Source-recorded Sumitomo families: SH75X-3B / SH135X-3B / SH225X-3B; verify parts book. Recorded fitment/evidence notes: Fitment limitation: Confirm wheels, rotation, label, connector, clearance and machine serial. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for KHR18640?
Related assembly numbers (not direct interchanges): KHR18730, KHR3999.
How do I confirm KHR18640 before ordering?
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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