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Diesel Generator Load Bank Test Report

Generate a diesel generator load bank test report using our online template. Verify generator capacity and performance under load, record parameters at each load step, and document observations.

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Diesel Generator Load Bank Test Report

No.LBT-2026-018

1. General Information

Inspection date7/14/2026 AddressIndustrial Plant B, 800 Factory Road, Detroit, MI 48201
Expert Brian Adams , Maintenance Technician

2. Object of Inspection

Object nameCaterpillar C175-20 Technical conditionnot filled in
Operating Hours, hours1250

3. Main Parameters

Load Bank TypeResistive Connection VerifiedNo
Load Steps25%, 50%, 75%, 100%

4. Additional Parameters

Voltage at 100% Load: 480 Frequency at 100% Load: 60
Current at 100% Load: 2400

5. Observations and Defects

No.Damage descriptionPhotos
1-not filled in
2-not filled in

6. Additional Information

Identification was carried outLoad bank test at 25%, 50%, 75%, and 100% rated load.
There are remarksGenerator passed all load steps; voltage and frequency stable.

7. Inspection Participants

No.Full namePosition / statusComment
1Brian AdamsMaintenance TechnicianPerformed test
2Jennifer ColeFacility ManagerWitnessed test

Signatures

______________________________
Brian Adams, Maintenance Technician
______________________________
Brian Adams
______________________________
Jennifer Cole

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Purpose and Procedure for Drafting the Document

What Is a Diesel Generator Load Bank Test Report?

A diesel generator load bank test report documents the results of a load bank test performed on a standby generator. The test verifies the generator's capacity and performance under various load conditions. The report includes test parameters such as voltage, frequency, current, and temperature at each load step, along with observations and defects.

Who Uses This Report?

Maintenance technicians and facility managers use this report to document annual load bank tests or tests after major repairs. It provides evidence that the generator can handle its rated load.

Key Sections of the Report

The report includes test identification, load bank setup, test parameters (repeatable for each load step), observations and defects, test results, and signatures.

Annual Load Bank Testing

Generators are typically tested annually under load to ensure they can perform at rated capacity. This report records the test results.

Post-Repair Verification

After major repairs or overhauls, a load bank test verifies that the generator is functioning correctly and can handle load.

Commissioning New Generators

New generators are load bank tested during commissioning to confirm performance specifications. This report documents the acceptance test.

Compliance with Standards

Some facilities require documented load bank tests for compliance with safety standards or insurance policies.

  1. 1

    Setup Load Bank

    Connect the load bank to the generator and verify correct connection. Select the type of load bank (resistive, reactive, or combination).

  2. 2

    Run at Various Loads

    Apply load steps (e.g., 25%, 50%, 75%, 100%) and allow the generator to stabilize at each step. Record parameters at each step.

  3. 3

    Record Parameters

    For each load step, record voltage, frequency, current, power factor, engine RPM, coolant temperature, oil pressure, and exhaust temperature.

  4. 4

    Disconnect and Report

    After completing all load steps, disconnect the load bank. Compile the report with observations, defects, and overall test result.

Photo Report Generator

Use the photo report generator to create a detailed load bank test report with embedded images and structured data for each load step.

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Mobile Photo Documentation App

Capture photos of the load bank setup, control panel readings, and any defects on-site using the mobile app, then integrate them into your report.

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Document Sections

Click a section to jump to it in the sample document.

General Information

Record the test date, facility location, and technician performing the test.

Object of Inspection

Identify the generator by name, technical state, and operating hours.

Main Parameters

Specify the load bank type and confirm correct connection.

Additional Parameters

Record voltage, frequency, current, and other parameters at each load step.

Observations and Defects

Document any observations or defects noted during the test.

Additional Information

State the overall test result and any additional remarks.

Inspection Participants

List the technician and facility manager involved in the test.

Signatures

Obtain signatures from the technician and facility manager.

Document Fields and Columns

General Information

Inspection date
Date when the load bank test was performed.
Address
Location of the facility where the generator is installed.
Expert
Name of the technician conducting the test.

Object of Inspection

Object name
Unique identifier or serial number of the generator.
Technical condition
Current operational state of the generator.
Operating Hours (hours)
Total operating hours accumulated on the generator.

Observations and Defects

No.
Sequential number for each observation or defect.
Element
Component or system where the observation was made.
Defect
Type of defect or observation.
Damage description
Detailed description of the observation or defect.
Photos
Photographic evidence of the observation or defect.

Inspection Participants

No.
Sequential number for each participant.
Full name
Full name of the participant.
Position / status
Role or job title of the participant.
Comment
Additional notes about the participant's involvement.

Frequently Asked Questions about Photo Reports and Photo Tables

What is a diesel generator load bank test report?

It is a document that records the results of a load bank test, verifying the generator's capacity and performance under various load conditions.

How often should a load bank test be performed?

Typically annually, or after major repairs. Some standards may require more frequent testing.

What parameters are recorded during the test?

Parameters include load percentage, voltage, frequency, current, power factor, engine RPM, coolant temperature, oil pressure, and exhaust temperature.

What is the purpose of a load bank test?

The test ensures the generator can handle its rated load, prevents wet stacking, and verifies that cooling and exhaust systems function properly.

Can I add photos to the report?

Yes, the template includes photo sections for load bank setup, control panel readings, overall generator view, and any defects.

Who signs the report?

The technician performing the test and the facility manager typically sign the report.

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