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SKU:
ZZ3F04254
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Regulator for Caterpillar D400D D400E 730C D35HP 735C 725 740 730 735 730C2
$53.39
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$53.39
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$53.39
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
Regulator for Caterpillar D400D D400E 730C D35HP 735C 725 740 730 735 730C2
This regulator for Caterpillar heavy equipment models maintains stable voltage output to protect electrical systems and ensure reliable charging across a range of articulated trucks and graders.
Overview
This regulator for Caterpillar is a voltage regulator designed for a broad range of Caterpillar D400D, D400E, 730C, D35HP, 735C, 725, 740, 730, 735, and 730C2 machines. It regulates the alternator output to prevent overcharging and undercharging, which extends battery life and keeps electronics operating consistently. Built to handle harsh worksite conditions, this component keeps your machine's electrical system running dependably.
Built For Performance
- Solid-state circuitry provides responsive voltage control
- Sealed housing protects against moisture, dirt, and vibration
- High-temperature tolerant components resist engine bay heat
- Plug-and-play design matches OEM pinouts for straightforward swap
- Rigorous load testing confirms stable output under varying rpm
Fits These Machines
- for Caterpillar D400D
- for Caterpillar D400E
- for Caterpillar 730C
- for Caterpillar D35HP
- for Caterpillar 735C
- for Caterpillar 725
- for Caterpillar 740
- for Caterpillar 730
- for Caterpillar 735
- for Caterpillar 730C2
On-The-Job Use
- Keeps alternator output consistent during long haul cycles and idling
- Protects sensitive electronic control units from voltage spikes
- Reduces battery overcharge damage in high-demand harness systems
- Works across quarry, construction, and earthmoving applications
Specs At A Glance
| Part Number(s) | Regulator |
| Compatible Brand | for Caterpillar |
| Compatible Models | D400D, D400E, 730C, D35HP, 735C, 725, 740, 730, 735, 730C2 |
| Item Type | Voltage Regulator |
Good To Know
Q: What does this regulator do in my Caterpillar truck? A: It regulates the alternator's voltage output to maintain a steady charge to the battery and electrical system, preventing both overcharging and undercharging.
Q: Is this regulator a direct replacement? A: It is designed to match the OEM fit and wiring configuration for the listed Caterpillar models, but confirm your specific serial number and alternator type to guarantee compatibility.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.