How-to Guide: Cat^® 950 Wheel Loader Starter Replacement

Estimated read time: 2 minutes

This guide shows how to do a wheel loader starter replacement yourself, specifically on a Cat^® 950.

Cat Self-Service Options (SSO) guides give you clear instructions, recommended parts and tool lists to do the maintenance or repairs yourself.

Remember to take your time and follow every safety instruction. Watch the video to learn how to replace the starter on your Cat wheel loader:

Remember to always wear proper personal protective equipment (PPE) for every repair, including safety boots, safety glasses, helmets and gloves.

To replace the starter on a Cat 950 Wheel Loader, you’ll need:

Part No. 6V-9099: 19.0 mm wrench

Part No. 6V-9098: 18.0 mm wrench

Refer to Special Publication NENG2500, Caterpillar Dealer Service Tool Catalog, for tools and supplies.

Remove the Old Starter

Turn off the battery disconnect.
Move the steering frame lock in position to the front frame and install the locking pin.
Remove the side panel and open the engine hood.
Make sure all parts have cooled down.
Remove the nut and disconnect the harness assembly from the electric starting motor.
Take a picture of how the wires are connected or follow the diagrams in your Operation and Maintenance Manual (OMM).

Cat 950 GC Wheel Loader empties sand at quarry

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Remove the starter. Check your machine series and the Cat Service Manual to verify if a lifting device is recommended when lifting the starter motor up and out of the chassis. The starter motor weighs approximately 55 lb. (25 kg).
Remove the remaining three bolts from the starter housing.

Install the New Starter

Put the replacement starter into place.

Secure it to the machine by attaching the three bolts.
Reconnect the electrical wires. Follow torque specifications for the fasteners on the wiring harnesses.
Secure the electrical harness with a nut.
Reinstall the side panel and close the engine hood.

That’s it! Your new starter is installed, and your Cat 950 Wheel Loader is ready to get back to work.

Make sure you have everything you need to do the job right. Visit Parts.Cat.com, sign in and enter your serial number. You’ll be able to purchase parts specific to your wheel loader and explore more DIY SSO repairs.

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