Excavator Starter Motors
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24V starter-solenoid switch identified by catalog reference 66156. Delco Remy publishes 10511409 as an active 24V solenoid kit for 39MT starters, while independent exact-number catalogs cross-reference 66156 with 10511409, 10511799, F 042 010 577 and 235758. The suffix form 661561 and SS1150S remain labeled as catalog variants requiring dimensional confirmation, not unconditional direct interchanges. The owned photograph shows the same 24V solenoid, mounting flange, plunger and terminal arrangement. Confirm the complete starter number and terminal geometry before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Catalog Reference | Starter-solenoid reference | 66156 |
| Delco Remy Service Part | Published 39MT 24V solenoid kit | 10511409 |
| Published Cross-Reference | Verify terminal geometry | 10511799 |
| Published Cross-Reference | Bosch-formatted reference | F 042 010 577 |
| Published Cross-Reference | Cargo catalog reference | 235758 |
| Catalog Suffix Variant - Verify | Confirm dimensions and suffix | 661561 |
| Catalog Family Reference - Verify | Confirm dimensions | SS1150S |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
2 model references
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
Recorded compatible model references include Published starter family: Delco Remy 39MT 24V starters using solenoid kit 10511409, Fitment limitation: Confirm starter assembly number, voltage, flange, plunger, terminals and dimensions. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 66156. Send the original nameplate for an alternate-number check.
Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.
