227-5801 300-7646 EMCP 3.1 3.2 Generator Set Display Control Panel for Caterpillar SR4
227-5801 / 300-7646 EMCP 3.1 & 3.2 display control panel, fits for Caterpillar SR4 and 3500 series generator sets.
- Interchangeability: 227-5801-05 / 300-7646-03 / 227-5801 / 300-7646
- Application: C1.5–C175-16 gensets, 3406C, 3412C, 3456, 3500 series, G3508, G3512, SR4
- Programming Required: Panel must be configured to your set — send us your original part number and nameplate photos after purchase
- Check Your Generation: EMCP 3.1 and 3.2 look alike but differ — read the label on the rear of your current panel before ordering
$999.00
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Bench-Tested - Every unit powered up and function-tested before dispatch.
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6-Month Warranty - From delivery, against defects in materials and workmanship.
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30-Day Returns - Unused items in original packaging. RMA required.
Product Details
This EMCP 3.1 and EMCP 3.2 generator set display control panel is an aftermarket replacement for part numbers 227-5801-05, 300-7646-03, 227-5801 and 300-7646, fitted as a direct replacement across SR4 generators and generator sets from C1.5 through C175-16 and the full 3500 series.
The EMCP control panel is the operator interface for the entire set: engine parameters, AC metering, alarm annunciation, start and stop control and shutdown protection all pass through it. When the panel fails, the set is not just harder to monitor — on most installations it becomes unstartable, because the control logic and protection functions live in the panel itself rather than in a separate module.
- Direct replacement fitment — matches the original panel cut-out, mounting pattern and harness connectors, so no enclosure modification or rewiring is needed.
- New, unused condition — supplied in plain protective packaging without third-party branding.
- Very broad genset coverage — from C1.5 and C2.2 small sets through C15, C27, C32 and C175-16, plus 3406C, 3412C, 3456, the 3500 series and G3508 / G3512 gas sets.
- Four-number interchange group — cross-references 227-5801-05, 300-7646-03, 227-5801 and 300-7646.
- Full operator interface — engine and AC parameter display, alarm annunciation, control keypad and shutdown indication.
- Function-restoring only — supplied to restore original operating parameters; no changes are made to protection settings or calibration.
- 6-month warranty — repair or replacement service if any fault appears within the period.
Important: Programming Is Required Before Use
This panel is not plug-and-play. Every generator set carries its own configuration — engine family, alternator rating, voltage and frequency, protection thresholds and alarm setpoints — and the panel must be programmed to match your set by a qualified technician using approved service software before it will operate correctly.
Please send us the following after purchase:
- The part number of your original monitor, plus a clear photograph of it
- A clear photograph of the machine nameplate (VIN plate)
- A clear photograph of the engine nameplate
We use these to confirm the correct panel generation and configuration for your set.
Installation and removal of a generator set control panel should always be carried out by an experienced technician. Isolate the set from all power sources, including battery and shore supply, before any work begins.
Fitment & OEM Interchange
The following reference numbers are listed for cross-reference and identification purposes only. All trademarks belong to their respective owners.
| Primary Reference Numbers | 227-5801-05 | 300-7646-03 |
| Base Reference Numbers | 227-5801 / 2275801 | 300-7646 / 3007646 |
| Panel Generation | EMCP 3.1 / EMCP 3.2 |
| Condition | New — unused, plain protective packaging |
| Installation | Direct replacement — programming required |
Check Your Panel Generation Before Ordering
EMCP 3.1 and EMCP 3.2 panels are visually similar but differ in display size, feature set and available inputs. The suffix on your existing part number (for example −05 or −03) also indicates a specific software revision level. Read the label on the rear of your current panel and send it to us with photos of the machine and engine nameplates — we will confirm the correct generation and revision before you order.
Application Chart — Compatible with Caterpillar Generator Sets
| Category | Models |
|---|---|
| Generator | SR4 |
| Generator Set — C Series | C1.5, C2.2, C3.3, C4.4, C6.6, C9, C15, C18, C27, C32, C175-16 |
| Generator Set — 3400 Series | 3406C, 3412C, 3456 |
| Generator Set — 3500 Series | 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C |
| Generator Set — Gas | G3508, G3512 |
| Petroleum Generator Set | C15, C32 |
Before ordering: this panel spans sets from small C1.5 units to C175-16 and 3500 series machines, and specification varies considerably across that range. Compare the label on the rear of your existing panel against the reference numbers above, and if your number does not appear here, send us a photo along with your machine and engine nameplates and we will confirm fitment for you.
Technical Specifications
| Part Name | Generator set display control monitor panel (EMCP 3.1 / 3.2) |
| Reference Numbers | 227-5801-05, 300-7646-03, 227-5801, 300-7646 |
| Condition | New — unused, supplied in plain protective packaging |
| Installation Method | Direct replacement — original cut-out and connectors |
| Programming | Required — must be configured to your generator set |
| Function | Engine and AC parameter display, alarm annunciation, control keypad, shutdown indication |
| System Voltage | 12V / 24V DC — application dependent, confirm against your set |
| Mounting | Panel mount, original cut-out and fixing pattern |
| Connectors | Original harness connectors and pin layout |
| Environmental Design | Sealed front face, intended for genset enclosure heat, humidity and vibration |
| Testing | Powered up and screen-checked before dispatch |
| Warranty | 6 months — repair or replacement service |
| Package Contents | 1 x display control panel (mounting hardware and harness not included) |
Where a specification is application dependent, confirm it against your own installation before ordering. This panel is supplied to restore original operating parameters only; protection setpoints and shutdown thresholds must be configured to your set’s own specification.
Common Failure Symptoms
Control panels usually degrade in stages rather than failing outright. These are the patterns reported most often on genset installations, and what each one typically points to.
| Symptom | What It Usually Points To |
|---|---|
| Set will not crank from the panel | Failed start output or control logic. Confirm the set cranks from the emergency stop reset and manual start path before condemning the panel. |
| Screen dark but the set runs | Backlight or internal supply failure. Check panel supply voltage and the harness connector first. |
| Keypad buttons unresponsive | Worn membrane keypad — the most common wear item on frequently operated sets, and often the first thing to go. |
| Nuisance shutdowns with no real fault | The panel acting on corrupted sensor input, or a failing protection relay stage. Cross-check the reported parameter against a gauge before accepting it. |
| AC metering values obviously wrong | Failed voltage or current input stage. Verify with a clamp meter and confirm CT wiring before replacing the panel. |
| Alarms never annunciate | Alarm output stage failure — the most serious mode on a standby set, since the machine appears monitored but protection is silently lost. |
| Panel freezes and needs a power cycle | Processor lock-up, often heat related inside a sealed enclosure. A shortening interval between lock-ups means the panel is on its way out. |
| Configuration lost after battery disconnect | Failed internal memory retention. The set may run but will need reconfiguring after every isolation, which is not sustainable. |
Check the supply side first. Battery condition, charger output, panel fuse, ground integrity and corroded harness pins imitate panel failure far more often than the panel itself. On standby sets that sit idle for long periods, a weak battery is by far the most common cause of a panel that appears dead.
Shipping & Quality Guarantee
- 100% quality control — every panel is powered up and screen-checked before it leaves our facility.
- Dispatch in 1–3 business days via DHL, UPS or FedEx express, with tracking provided within 24–48 hours.
- Protective packaging — anti-static wrap and foam-cushioned carton, sealed against moisture for international transit.
- 6-month warranty — if a fault arises within the period, we provide repair or replacement service.
- Fitment support — send us your original panel part number with photos of the machine and engine nameplates and we will confirm the correct generation before and after purchase.
Shipping & Customs Notice
The listed price covers the product, shipping and handling only. It does not include import duty, VAT, GST or any local taxes or customs clearance charges. Any such fees are levied by your national customs authority and remain the buyer’s responsibility. Please check your local import regulations before ordering.
All brand names, part numbers and model designations are used for identification and cross-reference purposes only. We are an independent parts supplier and are not affiliated with, authorised by or endorsed by any vehicle, engine or equipment manufacturer. All trademarks are the property of their respective owners.
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