Three variations of different Cat Starters

Cat^® Starter Replacement

CAT SELF-SERVICE OPTIONS (SSO)

Extreme conditions and harsh climates are no match for Cat^® starters. They're built to help ensure your machine starts fast and finishes strong every shift. At replacement time, our Self-Service Options make it easy for you to replace your own starter. They include a genuine Cat starter, list of recommended tooling, service instructions and more all in one convenient package.

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Maintenance Tips

Watch for these common repair indicators:

Grinding noise when the ignition key is turned
Engine cranks too slowly to start
Starter keeps running
Starter spins, but engine will not crank
Starter does not engage/disengage properly

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What's In the Cat Starter Replacement Self-Service Option?

Recommended Parts

Starter

Recommended Tools

No specialized tools required
Repair instructions included

Additional Options

Available on the Following Models:

Compact Track Loaders

239D, 249D, 259D, 279C, 289C, 289D, 299C, 299D

Compact Wheel Loaders

901C, 902, 902C, 903C, 904H, 906, 906H, 906K, 906M, 907H, 907K, 907M, 908, 908H, 908K, 908M, 910, 910F, 910G, 910K, 910M, 914G, 914K, 914M, 916, 918F, 918M, 920K, IT14G

Small Wheel Loaders

924F, 924G, 924H, 924K, 926M, 928F, 928G, 928H, 930G, 930H, 930K, 930M, 936F, 938F, 938G, 938H, 938K, 938M, IT28G, IT38H

Skid Steer Loaders

216, 216B, 226, 226B, 226D, 228, 232, 232B, 232D, 236, 236B, 236D, 242, 242B, 242D, 246B, 246, 246C, 246D, 248, 248B, 252, 252B, 256C, 262, 262B, 262C, 262D, 268B, 272C, 272D

Backhoe Loaders

414E, 415F, 416, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424B, 424D, 426, 426B, 426C, 426F, 427F, 428, 428B, 428C, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 436, 436B, 436C, 438, 438B, 438C, 438D, 442D, 442E, 444E, 444F, 446, 446B, 446D, 450E, 450F

Multi-Terrain Loaders

247, 247B, 257, 257B, 257D, 267, 267B, 277, 277B, 277C, 277D, 287B, 287C, 287, 287D, 297C, 297D

Small Dozers

D3G, D3K, D4E, D4G, D4K, D5G, D5K

Mini Hydraulic Excavators

300.9D, 301.4C, 301.5, 301.6, 301.6C, 301.7D, 301.8, 301.8C, 302, 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 303, 303C, 303E, 303.5, 303.5C, 303.5D, 303.5E, 303.6, 304, 304C, 304D, 304E, 304.5, 304.5E, 304.6, 305, 305C, 305D, 305E, 305.5, 305.5D, 305.5E, 306, 306E, 307, 307B, 307C, 307D, 307E, 307.5, 308, 308C, 308D, 308E, 308.5, 309, 310

Telehandlers

TH103, TH210, TH215, TH220B, TH306D, TH330B, TH340B, TH350B, TH3510D, TH355B, TH357D, TH360B, TH408D, TH460B, TH514D, TH560B, TH580B, TL1055D, TL1255D, TL642D, TL943D

Motor Graders

120B, 120G, 120H, 120K, 120M, 140G, 140H, 140K, 140M

Soil Compactors

CS423E, CS433C, CS433E, CS44B, CS533D, CS533E, CS54, CS54B, CS55, CS56B, CS563C, CS563D, CS563E

Dozers

D4H, D5H, D5M, D5N, D6D, D6E, D6H, D6K, D6M, D6N, D6R, D6T

Hydraulic Excavators

313D, 314C, 314D, 314E, 315B, 315C, 315D, 316E, 318D, 320B, 320C, 320D, 320E, 321C, 321D, 322B, 322C, 323D, 324D, 324E, 325B, 325C, 325D, 328D, 329D, 329E, 330B, 330D, 330F

Wheel Loaders

950G, 950H, 950K, 950L, 950M, 962H, 966D, 966E, 966F, 966G, 966H, 966K, 966L, 966M, 970F, 972G, 972H, 972K, 972M

Frequently Asked Questions

What typically causes starter failure?

Starters are designed for intermittent duty — 30 seconds maximum. Extended cranking can lead to overheating, which can cause damage to windings, solenoids, electrical contacts and pinion teeth.

How do I remove an old starter?

Open the engine hood and turn off the battery disconnect switch. (If your machine doesn't have a battery disconnect switch, disconnect the battery cables.) Remove the nut and disconnect the cables. After you remove the nuts, you can take out your old starter.

NOTE: Always consult your machine's Operation & Maintenance Manual for specific instructions.

How do I install a new starter?

Put the new starter into place and install all the nuts. Connect the harness and cables. Turn the battery switch back on and test your new starter to make sure it's working properly.

NOTE: Always consult your machine's Operation & Maintenance Manual for specific instructions.

Why should I choose a Cat starter at replacement time?

Cat starters are optimized to match the torque requirements and specifications of your Cat engine, with high quality components engineered to exceed industry standards. They feature:

Starting capacity down to -40°C for some models
Sealed design to protect against corrosion, vibration and extreme weather
O-ring sealed flywheel housing — not a gasket — to stop oil leaks and keep water out
Packaging and wiring integrated into your Cat engine
Rotatable drive housing for flexible mounting.

EXPLORE AVAILABLE SELF-SERVICE OPTIONS

Ready to perform your own maintenance and repairs? We have the tools you need. We periodically expand the list of available Cat Self-Service Options (SSO). Download the file to find if your model has SSO coverage. With the right parts, tooling, service instructions and technical support in one convenient package, you'll get back on the job in no time!

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Order Online

Here's a way to save yourself even more time and effort when maintenance and repairs are due. Order Cat Self-Service Options online anytime at parts.cat.com.

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Self-Service Options for Starters & Alternators

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Cat Card

Turn today's purchase into tomorrow's new part or service when you use your Cat Card at participating Cat dealers and Cat Rental Stores and on parts.cat.com. It's that easy.

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Self-Service Options

Get what you need for simple repairs and maintenance with Cat Self-Service Options. Includes Cat parts with tooling, easy-to-follow service instructions and access to tech support.

Cat® Starter Replacement