155-7434 1557434 Caterpillar Alternator

155-7434 Caterpillar Alternator GP-Charging OEM 1557434 Fits 924G 928G IT28G Parts Product Information Brand: Caterpillar Category: Alternators & Starters Part Number: 155-7434 Part Name: Alternator GP-Charging (24V 70A) Alternative OEM: BOSCH 0986081030 CATERPILLAR 0R8279 107-7977 132-2156 CUMMINS 3251135 3675242RX 3920617 3920618 3935530 FARCOM 111284 HC-Cargo 112160 LUCAS LRA02997 NIKKO 0-35000-0390 0-35000-0391 0-35000-0392 0-35000-0460 0-35000-0461 0-35000-0471 0-35000-0480 UNIPOINT ALT-1101 WAIglobal 1-2291-00DR 1-2291-00DR-1 20-1114 Engine Model: Caterpillar 3056, 3116 Compatible Equipment: Caterpillar 924G, 924GZ, 928G Wheel Loaders; IT28G Integrated Toolcarriers Condition: 100% New Aftermarket Replacement 155-7434 1557434 Caterpillar Alternator 155-7434 Alternator BOSCH ALTERNATOR 0986081030 CATERPILLAR 0R8279 107-7977 132-2156 Product Function & Specs: Heavy-duty 24-Volt, 70-Amp charging alternator designed to restore electrical output on Cat G-Series loaders. Engineered with built-in electronic voltage regulators and a high-efficiency cooling structure to provide steady battery charging and continuous cabin power under demanding job site vibration. Failure Symptoms: Batteries discharging quickly or failing to hold enough charge to crank the engine. Flickering or dimming work lights and digital instrument monitors during operation. Battery charge indicator dashboard lamp remains illuminated while the loader is running. Quick Installation Notes: Turn off the main battery disconnect switch before handling any power terminal connections. Verify the drive belt and automatic tensioner are in good condition; align the new alternator pulley carefully. Clean all terminal ring eyelets of dirt and grease to ensure solid low-resistance connections. Tighten all mount bolts securely to prevent unit vibration and early bracket fatigue. FAQ: Q: Can this part replace OEM 155-7434? A: Yes, 100% interchangeable. Mounting brackets, wire terminal pinouts, and the 24V 70A charging ratings match the original Cat assembly specifications. Q: Is this an OEM or aftermarket replacement? A: This is a premium aftermarket replacement alternator built with robust bearings and heavy-duty internal copper windings for maximum durability. Q: What equipment does this alternator fit? A: Fits Cat 924G, 924GZ, and 928G wheel loaders, plus IT28G toolcarriers running Cat 3056 or 3116 engines. Please share your equipment PIN/serial number if you’d like us to verify fitment. Q: Does this alternator include the mounting pulley? A: Yes, the drive pulley is pre-assembled and ready for direct belt installation. Q: Do you offer discounts for wholesale orders? A: Yes. We offer competitive wholesale terms for rebuild facilities, heavy machinery dealers, and commercial fleets. Contact us directly for a bulk quotation. Why Sourcing From WinsParts? We match your part numbers directly against official parts catalogs to ensure a 100% correct fit. Our large physical inventory allows us to ship orders fast, minimizing your machine downtime with dependable parts.