High-quality 9G7641 ignition switch (start switch) by GX-AFTER. It is a universal, 3-position switch dedicated to a huge range of Caterpillar (CAT) construction machinery. Made of durable Zinc Alloy, adapted to work in temperatures from -40°C to +80°C. The set includes the switch and two keys.
GX-AFTER is a solid choice for heavy equipment. The switch features an anti-restart lock function, protecting the starter from damage, and a return spring from the START position.
| Machine Group | Series / Models |
|---|---|
| Backhoe Loaders | 416, 426, 428, 432, 436, 438, 442, 444 (B, C, D, E Series) |
| Crawler Excavators | 312, 315, 318, 320, 322, 325, 330, 345, 365, 385 (B, C, D, L, LN Series) |
| Bulldozers | D3, D4, D5, D6, D7, D8, D9, D10, D11 (C, G, H, N, R Series) |
| Wheel Loaders | 910, 924, 928, 936, 950, 962, 966, 972, 980, 988, 990, 992, 994 |
| Other | Wheeled Excavators (M315, M318), Dumpers (769, 777, 785, 793), Graders, Rollers, Scrapers |
The switch is very universal. Fits most older and mid-year CAT machines with a traditional key.
The set includes two keys. When replacing the switch, it is worth checking the condition of ring terminals on the wires to ensure solid contact and avoid connection heating.
A faulty ignition switch can cause machine shutdown issues or spontaneous ignition activation, risking battery drain. Loose contacts can lead to sparking and wiring fires.
The ignition switch is the main power control center of the machine.
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It is a mechanical lock inside the switch that prevents turning the key to START again when the engine is already running (or the key is in ON). To restart, you must turn the key back to OFF. This protects the starter gear and flywheel ring gear from destruction.
Yes, switch 9G7641 is adapted to work in both 12V and 24V systems. The decisive factor is the current load of the contacts, which is very high in this model.
This switch fits, among others, the largest CAT bulldozer - the D11 model. This gigantic machine weighs over 100 tons and has an 850 HP engine. Despite its size and advancement, it uses the same simple and reliable component to start as a small backhoe loader!
Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.
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