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Caterpillar 106-0107 is the rotary throttle (engine speed) dial with knob, flying lead and square connector. It is used on Caterpillar 311C to 321C and E320B excavators. This aftermarket version has the same mounting and electrical connector as the original, so it plugs in and bolts on where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Throttle Dial Switch |
| Replaces | Caterpillar 106-0107 |
| Type | Rotary throttle dial with knob, lead and square connector |
| Fits | Caterpillar 311C; Caterpillar 312C; Caterpillar 314C; Caterpillar 315C; Caterpillar 318C; Caterpillar 319C; Caterpillar 320C; Caterpillar E320B; Caterpillar E320BL; Caterpillar 321C |
| Condition | New, aftermarket |
| Stat. HS-Code | 853650 |
Caterpillar machines
Check the part number on your old unit before ordering.
| Caterpillar Part No.(SPM Part No.) | Fits |
|---|---|
| 106-0107(SPM-HEP-3047) | Caterpillar 311C, Caterpillar 312C, Caterpillar 314C, Caterpillar 315C, Caterpillar 318C, Caterpillar 319C, Caterpillar 320C, Caterpillar E320B, Caterpillar E320BL, Caterpillar 321C |
Engine speed will not change
When the throttle dial fails, turning it no longer changes engine speed, or the engine sits at idle or full speed. Check the plug and wiring, then measure the dial's signal with a meter.
Jumpy or hunting engine speed
A worn track inside the dial gives a jumpy signal, so the engine speed surges or drops as the dial is turned or the cab vibrates.
Broken knob or loose shaft
A cracked knob, a slipping shaft or a dial that turns past its stops is a reason to replace the whole switch.
Fitting tips
Disconnect the battery, unplug the old dial, fit the new one in the same position in the console and check the full speed range before going back to work. Some machines need the throttle range reset as the machine manual describes.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (12 aftermarket sellers) | USD 24.96 to 25.34 | 7 Oct 2026 |
| Winsparts | USD 110.00 | 7 Oct 2026 |
| MyMROmarts | USD 130.04 | 7 Oct 2026 |
| Spare Part Mart | USD 19.97 | Today |
Our price of USD 19.97 is 20% to 85% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Caterpillar 106-0107. It is not made by or affiliated with Caterpillar; the Caterpillar part number is used only to show what it replaces.
It fits Caterpillar 311C; Caterpillar 312C; Caterpillar 314C; Caterpillar 315C; Caterpillar 318C; Caterpillar 319C; Caterpillar 320C; Caterpillar E320B; Caterpillar E320BL; Caterpillar 321C. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It has the same mounting and electrical connector as the original. Check the plug and terminals match your old part, and test it before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your postcode.
In USD for the quantity selected. The exact cost is confirmed at checkout.
