Excavator Starter Motors

M3T56182 24V 5.0kW 10T Starter for CAT 311 312 320B and Mitsubishi S4E S6K

Q: What numbers are documented for M3T56182?

Primary Manufacturer Number: M3T56182. Direct Manufacturer Cross-Reference: M3T56181. Direct Manufacturer Cross-Reference: M3T56174. Equipment Part Number: 114-6864. Equipment Part Number: 5I-7716. Equipment Part Number: 0R1091. Aftermarket Catalog Number: 18239 / 18239N. Aftermarket Catalog Number: 015917. Related Reman Number: 10R-2985. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm M3T56182 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

M3T56182 24V 5.0kW 10T Starter for CAT 311 312 320B and Mitsubishi S4E S6K, OEM/reference M3T56182, Starter Motor, product view 1

1 / 5

5 product photos · Swipe on mobile, or hover and select a thumbnail.

OEM / referenceM3T56182

SpecificationStarter Motor

Catalog ID53870964

Starter Motor reference M3T56182. Compare the complete part number, connector layout, mounting points and original unit before ordering; machine serial range can affect fitment.

Product Type: OSGR starter motor with control relay
Voltage: 24V DC
Power: 5.0kW
Pinion Teeth: 10
Rotation: Clockwise (CW)
Pinion Diameter: Approximately 39 mm
Mounting Holes: 2 unthreaded holes
Condition: New replacement part

Send email inquiry Ask on WhatsApp Return to catalog

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Number	Mitsubishi starter number	M3T56182
Direct Manufacturer Cross-Reference	Same technical starter family	M3T56181
Direct Manufacturer Cross-Reference	Same technical starter family	M3T56174
Equipment Part Number	CAT application reference	114-6864
Equipment Part Number	CAT application reference	5I-7716
Equipment Part Number	CAT application reference	0R1091
Aftermarket Catalog Number	Lester/aftermarket family	18239 / 18239N
Aftermarket Catalog Number	Exact technical catalog	015917
Related Reman Number	Official 24V 4.5kW 10T rating differs; verify	10R-2985

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

M3T56182

Manufacturer number

M3T56181
M3T56174

Remanufactured number

10R-2985

Other documented relationship

114-6864
5I-7716
0R1091
18239 / 18239N
015917

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Starter Motor

Category: Excavator Starter Motors
Catalog ID: 53870964
Photo views: 5

Before ordering

Confirm these details

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.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

4 model references

CAT excavator families: 311 / 311B / 311C / 312 / 312B / 312C / 320 / 320L / 320N / 320B
CAT engine families: 3064 / 3066
Mitsubishi engine families: S4E / S4S / S6E / S6K
Fitment limitation: Confirm M3T56182, 24V, 5.0kW, 10 teeth, relay, flange and engine 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 M3T56182

Which machines use M3T56182?

Recorded compatible model references include CAT excavator families: 311 / 311B / 311C / 312 / 312B / 312C / 320 / 320L / 320N / 320B, CAT engine families: 3064 / 3066, Mitsubishi engine families: S4E / S4S / S6E / S6K, Fitment limitation: Confirm M3T56182, 24V, 5.0kW, 10 teeth, relay, flange and engine serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for M3T56182?

Manufacturer number: M3T56181, M3T56174. Remanufactured references: 10R-2985.

How do I confirm M3T56182 before ordering?

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.