422‑7553 24V ELECTRIC STARTING MOTOR for CAT G3516
422‑7553 24V ELECTRIC STARTING MOTOR is a heavy‑duty 24‑volt DC electric starting motor specially engineered for CAT G3516, G3512 and G3520 gas generator sets. This starter converts battery electrical energy into high cranking mechanical torque, drives engine flywheel ring gear to rotate, and completes reliable cold‑start and normal startup for large‑displacement gas generator engines. It supports AMP sealed plug connection for terminal 50 socket, features current‑reducing design, alloy aluminum housing and carbon‑steel gear assembly, delivering stable startup performance under continuous‑duty power station, outdoor power‑generation and wide‑temperature‑range operating environments.
Convert battery electric energy into cranking torque for large gas genset engine startup
Condition
New, Standard OEM Specification
Origin
China
Warranty
6 months
Applications
Suitable for: Natural‑gas power station generation, industrial on‑site self‑power supply, data‑center emergency backup power, commercial facility standby power and other heavy‑duty working scenarios for CAT G35 series gas generator sets.
Why Choose Us
Full‑range CAT gas generator set spare parts supply
We supply starting motors, engine components, electrical assemblies and wearing spare parts for CAT G3516, G3512, G3520 gas gensets, supporting accurate procurement by OEM part number.
Strict pre‑shipment quality inspection
Each 422‑7553 24V starting motor undergoes electrical cranking load test, sealing inspection and dimensional calibration before shipment to adapt to long‑standby and frequent‑startup genset operating conditions.
Stock support for genset critical starting‑system components
Electric starting motors are core safety‑related assemblies for generator‑set emergency startup. We maintain available inventory to respond quickly to urgent on‑site maintenance demands and shorten genset outage time.
Cost‑effective replacement spare parts
We deliver factory‑direct CAT replacement components for global power‑plant operators, machinery dealers, repair workshops and engineering contractors without extra intermediate costs.
Mature global export service
We serve customers in multiple countries, providing complete export documents, heavy‑duty shock‑proof rust‑proof wooden‑case packaging and flexible sea‑air transport solutions for cross‑border delivery.
Professional pre‑sales compatibility check
If you are not sure whether this 24V starting motor fits your CAT generator set, provide the machine serial number, our team will confirm matching status within 24 hours to prevent wrong‑ordering.
Packaging
Motor pinion gear and electrical terminals are fitted with dust‑proof anti‑rust protective caps. The starting motor is wrapped with thick shock‑absorbing cushioning material to avoid collision, thread and gear damage in transit. Reinforced heavy‑duty export wooden case is adopted, clearly marked with exact part number for inventory management and customs clearance.
Shipping
Sea freight is recommended for this heavy‑weight item for cost saving. Air freight can be arranged for urgent genset repair work. In‑stock items will be shipped within 3‑7 working days after payment confirmation. Complete packing list and export documents will be provided.
FAQ
Q1: How do I confirm this starting motor fits my CAT gas generator set?
Please send us your generator‑set serial number and model, we will check compatibility before placing the order.
Q2: What symptoms mean the electric starting motor needs replacement?
Difficult engine cranking, insufficient starting torque, abnormal knocking noise during startup, solenoid no‑action, generator set cannot be started are typical failure signs.
Q3: What is your delivery time?
In‑stock goods ship within 3‑7 working days. For out‑of‑stock items, we will confirm the exact lead time before order confirmation.
Q4: What does the warranty cover?
6‑month warranty covers manufacturing defects. Damage caused by improper installation, unstable battery power supply, overload cranking and normal operational wear is not covered.
Q5: How to get a quotation?
Provide the part number, purchase quantity and delivery address, our sales team will send a formal quotation within 24 hours.
Installation Guide
Completely shut down the gas generator set, cut off battery power supply and release residual circuit voltage to guarantee operation safety.
Clean mounting flange, electrical terminals and connecting wiring thoroughly, remove dirt, oil sludge and debris.
Inspect new 422‑7553 starting motor for housing deformation, pinion scratch or terminal damage before mounting.
Align motor flange with engine flywheel‑housing mounting seat correctly, connect battery cables and AMP control connector strictly following polarity requirements, fasten fixing bolts according to OEM torque specifications.
Reconnect battery, perform no‑load startup test, check cranking performance and observe abnormal noise during operation.
Maintenance Tips
Regularly inspect motor terminals, wiring harness, AMP connector and ground connection for looseness, oxidation and water ingress in daily genset inspection.
Avoid long‑time continuous cranking operation to prevent coil burnout and accelerated carbon‑brush wear.
Keep generator‑set battery in good condition; ensure stable 24V power supply to extend starter service life.
When replacing starting motor, inspect matched battery, cables, relays and flywheel ring‑gear synchronously; renew worn supporting components.
