Size a diesel generator set from the electrical load profile and operating duty, including motor starts, load steps and environmental conditions. Distinguish the applicable prime or standby rating for the exact offered unit. Review alternator, controls, transfer arrangements, fuel, ventilation and local requirements with qualified project designers. Acceptance should verify the agreed load behavior and complete installation boundary. Include site works, testing, service and fuel arrangements before comparing delivered project cost.
Applications and production fit
Start with a load schedule showing what must operate together, what starts in sequence and what can be shed. Factory emergency supply, regular prime operation and temporary construction power are different duties. Include motors, electronic loads and the required continuity of service. A generator should not be chosen simply by adding equipment nameplate power or applying the largest advertised rating without understanding the operating conditions behind it.
Shown as a configuration reference. Availability and the equipment offered for your project are confirmed separately.
Configuration choices to compare
Ask for the exact generator, engine, alternator and controller configuration with the applicable rating and its conditions. Review voltage, frequency, phase, load steps and motor-start behavior with a qualified designer. Specify transfer, synchronization or other control functions if required, with responsibilities assigned. Engine brand alone does not identify the complete generator set. Avoid assuming that prime, standby or emergency rating labels describe interchangeable permitted operating duties.
Utilities, layout and site compatibility
The installation review must cover ventilation, exhaust, fuel storage, access, electrical protection and the earthing arrangement required for the actual site. State temperature and altitude so the proposal can show any applicable adjustment. Destination-specific emissions, noise and other requirements should be checked for the exact engine and installation. Grid transfer or parallel operation needs qualified electrical design; a generator cabinet alone does not establish a complete backup-power installation.
Delivered project cost and scope
Compare the set, transfer equipment, cables, protection, foundations, ventilation or exhaust work, fuel system and commissioning as an itemized scope. Add load testing, startup service and any remote monitoring costs. Ask for fuel assumptions at stated loads and identify maintenance parts and local support. Keep operating hours and duty classification visible in economic comparisons. A generator price without electrical integration and site provisions can substantially understate the delivered project.
Representative acceptance testing
Agree a load-test and commissioning plan with the responsible electrical team before ordering. Verify voltage and frequency behavior, relevant load steps and control functions against the contracted requirements using qualified personnel. Record the actual offered configuration and test conditions. Include transfer or other integration where it is part of the project. Running an unloaded engine demonstrates operation but does not establish response to the critical factory load schedule.
Maintenance and operating handover
Handover should include operating limits, service documentation, spare-part identification and commissioning records for the whole set. Establish routine inspections and maintenance under the manufacturer instructions, with a local route for engine, alternator and controller support. Keep load changes under review after installation. Adding a motor or changing the operating duty should trigger a fresh assessment rather than an assumption that spare nameplate capacity alone is sufficient.
OEM/ODM and project customization
Define customization as a separate scope in the quotation. Configuration choices concern the equipment arrangement and operating requirements; OEM requests can include permitted branding, labels, manuals and packaging; ODM requests may involve engineering changes. Identify the party responsible for design, documentation and verification before agreeing to a change. A manufacturer reference photograph demonstrates a category or model family and does not establish that IndustryApex represents that brand or can relabel its product. Ask which changes are feasible for the proposed supplier, what sample or drawing approval is needed and how the change affects service parts, testing and delivery.
RFQ checklist for a comparable proposal
Send a concise project brief with the specific items below and attach drawings, samples or site information where available. Distinguish essential requirements from preferences so alternative offers remain comparable. Ask each bidder to return a configuration list, utility and installation boundary, relevant model documentation, acceptance plan and an itemized quotation. State the destination and who will review applicable local requirements for the exact offered configuration. Identify exclusions, recurring consumables, training, warranty conditions and after-sales responsibilities before comparing totals. If important data is unavailable, mark it as an assumption to verify instead of allowing different bidders to silently solve different projects.
- Electrical load list and simultaneous demand
- Motor starting and load-step schedule
- Backup, prime or temporary operating duty
- Voltage, frequency and phase requirements
- Critical loads and load-shedding arrangement
- Transfer or synchronization functions
- Site temperature, altitude and environment
- Ventilation, exhaust and fuel-site layout
- Local emissions and noise review responsibility
- Electrical design and protection scope
- Load-test and commissioning criteria
- Destination, service and operating hours
Manufacturer configuration references
Review the linked manufacturer information as configuration references. Request the current sheet, included scope and relevant evidence for the exact proposed equipment; these references do not establish an IndustryApex supply relationship.
What should you include in your RFQ?
- Electrical load list and simultaneous demand
- Motor starting and load-step schedule
- Backup, prime or temporary operating duty
- Voltage, frequency and phase requirements
- Critical loads and load-shedding arrangement
- Transfer or synchronization functions
- Site temperature, altitude and environment
- Ventilation, exhaust and fuel-site layout
- Local emissions and noise review responsibility
- Electrical design and protection scope
- Load-test and commissioning criteria
- Destination, service and operating hours
For OEM / ODM requests, include the branding, packaging, configuration or engineering changes you need, initial and annual quantities, target market, sample approval and acceptance requirements. Feasibility and commercial scope are confirmed for the specific project.
Need OEM / ODM customization?
Submit branding, packaging, configuration or engineering requirements for this equipment. Include the target market, initial and annual quantities, required changes and acceptance criteria.
Customization feasibility, permitted branding, development responsibilities, minimum quantity, cost and lead time are reviewed for the proposed supplier and configuration before a quotation is confirmed.
Frequently asked questions
Are prime and standby generator ratings interchangeable?
No. Review the duty definitions and conditions for the exact generator set and planned operating pattern. Ask the supplier and responsible designer to identify the applicable rating rather than selecting the largest number in a specification table.
Why do motor starts matter in generator sizing?
Starting and load-step behavior can differ from steady running demand. Supply motor and starting-method information and the sequence of connected loads. A qualified designer should check the complete generator response rather than only the sum of running power.
Does a generator with a Cummins engine equal a Cummins generator set?
Not necessarily. The complete set may be built by another manufacturer using that engine. Confirm the set builder, alternator, controller and documentation. Distinguish component brands from the identity and support responsibility for the assembled generator.
What is outside the basic diesel generator price?
Depending on the quotation, transfer equipment, electrical protection, cables, fuel arrangements, ventilation, exhaust, foundations and commissioning may be separate. Request a complete installation boundary and a qualified test plan before comparing totals.
Can I request OEM or ODM customization for a diesel generator set?
Yes, include the requested configuration, branding or engineering changes in your project inquiry. Feasibility, ownership of the design, validation, documentation, minimum quantities and delivery terms need confirmation with the proposed supplier. The referenced manufacturer model is an example, not an OEM commitment from that brand.
What information is needed to request a diesel generator set quotation?
Send the category-specific checklist on this page, the destination, your operating conditions and available drawings or samples. Ask for an itemized complete project scope and a representative acceptance plan. Flag missing input data so quotations state the same assumptions rather than appearing comparable while covering different configurations.
Reference information
- AGG Power CU44D5A official generator specification
- AGG Power CU series diesel generator sets
Reference data and images explain equipment configurations. IndustryApex engineers confirm the offered model, specification and commercial scope in your project quotation.