Perkins 403EA-11 Diesel Engine for Compact Equipment, Generator Sets and OEM Applications
The Perkins 403EA-11 is a compact 1.1 L three-cylinder diesel engine designed for small equipment that requires reliable, fuel-efficient and low-noise power. With an inline 3-cylinder structure, naturally aspirated intake and liquid-cooled design, this engine is suitable for mini machinery, small generator sets, agricultural equipment and other compact power applications.
As a Perkins engine supplier in China, ZEB Power supports OEMs, generator manufacturers, equipment rebuilders and spare parts distributors with engine supply, replacement matching, parts availability checking and export shipment support. Whether you are replacing an existing Perkins 403EA-11 engine or sourcing parts for maintenance, correct configuration matching is important before ordering.
Not sure whether this 403EA-11 engine fits your machine? Send us your Engine Serial Number (ESN) — we will help check the correct configuration.


Why Choose the Perkins 403EA-11 Engine?
- Compact 1.1 L diesel platform: suitable for small machines where installation space, weight and fuel efficiency are important.
- Inline 3-cylinder structure: provides stable output for light-duty and compact equipment applications.
- Naturally aspirated design: simple structure helps reduce maintenance complexity for OEMs and service teams.
- Low-noise operation: optimized intake, exhaust and vibration control help improve comfort in compact equipment and generator applications.
- Easy OEM integration: suitable for mini excavators, small tractors, compact loaders, small gensets, pumps and compressors.
- Parts and service support: common Perkins 403EA-11 parts can be checked by part number, ESN and equipment model before ordering.
Perkins 403EA-11 Engine Specifications
| Rated Power | |
| Max Power | 21 kW |
| Max Torque | 70 Nm @ 1600 rpm |
| Rated Speed | 3400 rpm |
| Min Power | 16.1 kW |
| Emission Standard | |
| Emission | China Stage IV Non-Road |
| General Specifications | |
| Number of Cylinders | Inline 3 |
| Cycle | 4 Stroke |
| Bore | 77 mm |
| Stroke | 81 mm |
| Displacement | 1.1 L |
| Intake Type | Naturally Aspirated |
| Fuel System | Indirect Injection |
| Rotation | Counter-clockwise |
| Aftertreatment | - |
| Cooling System | Liquid Cooled |
| Engine Dimensions | |
| Length | 491 mm |
| Width | 400 mm |
| Height | 576 mm |
| Dry Weight | 96 kg |
Noted: final dimensions, emission configuration and installation details may vary depending on optional configurations and target equipment.
For full technical data or installation matching, contact us for the complete datasheet
Typical Applications of Perkins 403EA-11 Engines
The Perkins 403EA-11 engine is suitable for equipment requiring compact size, reliable output and economical operation. It is commonly used in small industrial machinery, light construction equipment, agricultural machines and Perkins generator set applications.
- Small tractors and agricultural machinery
- 8–20 kVA small generator sets
- Mini excavators and mini loaders
- Small high-pressure pumps
- Air compressors, compactors and light engineering equipment
- OEM compact machinery requiring small diesel power units
For OEM projects, replacement engine supply or parts matching, please provide your equipment model, current engine photos, nameplate information and ESN. Tell us your equipment model, and we will help recommend the correct configuration.
Perkins 403EA-11 Troubleshooting and Maintenance Guide
The following troubleshooting guide applies to common issues found in Perkins 403EA-11 engines and similar Perkins 403 Series models used in construction machinery, agricultural equipment and small generator sets.
Fuel System Troubleshooting
If the engine shows low power, white smoke or difficult starting, the fuel system should be checked first.
- Poor injector atomization may require cleaning or replacement.
- Low fuel pump pressure can cause unstable power output.
- A clogged fuel filter may reduce fuel flow and cause power loss.
- Replace the fuel filter every 250–500 hours according to operating conditions.
Cooling System Overheating
Overheating can be caused by cooling system blockage, poor circulation, insufficient coolant or abnormal engine load.
- Check coolant level and inspect for leakage.
- Clean radiator blockage and oil-covered cooling fins.
- Inspect fan belt tension and belt wear.
- Check the water pump and thermostat.
- Inspect for possible head gasket damage if coolant contamination appears.
- Confirm machine-room ventilation and avoid long-term overload operation.
Lubrication and Oil System Problems
If the engine has low oil pressure or abnormal noise, inspect the lubrication system and oil condition.
- Check whether the oil filter is blocked.
- Inspect the oil pump for wear.
- Check oil lines for leakage.
- Confirm that the correct oil grade is being used.
Valve Train Tapping Noise
Ticking or tapping noise from the valve train may be related to valve clearance, tappet wear or insufficient lubrication at the cylinder head.
- Check valve clearance and adjust if necessary.
- Inspect valve springs, tappets, valve stems and locks.
- Replace worn or damaged components with suitable Perkins parts.
Electrical System Faults
For warning alarms, shutdown protection issues or starting failures, electrical troubleshooting should be handled by qualified technicians.
- Follow proper fault-code scanning procedures.
- Check sensors, wiring connections and control components.
- Use suitable Perkins parts and repair the engine in a clean, well-lit environment.
Available Perkins 403EA-11 Parts List
We support Perkins 403EA-11 parts supply for maintenance, repair and overhaul projects. Common parts include fuel injection pumps, bearing kits, crankshaft kits, piston and ring kits, connecting rods, piston pins, cylinder head assemblies, starter motors, filters, thermostats, water pumps, fans, exhaust manifolds, lift pumps and ECM units.
For broader replacement requirements, you can also review our engine parts supply category. To check availability, please provide the part number, engine model, ESN, required quantity and destination country. Want to check today’s stock? Contact us to get the latest availability list
| Item | Part Name | Part Number | Engine Model | Quality |
|---|---|---|---|---|
| 1 | Fuel Injection Pump | 131010070 | 403EA-11 | Original Perkins |
| 2 | Big End Bearing Kit | U5ME0023 | 403EA-11 | Original Perkins |
| 3 | Crankshaft Kit | 115256890 | 403EA-11 | Original Perkins |
| 4 | Piston and Ring Kit | 115017630 | 403EA-11 | Original Perkins |
| 5 | Connecting Rod | 115026350 | 403EA-11 | Original Perkins |
| 6 | Piston Pin | 115326260 | 403EA-11 | Original Perkins |
| 7 | Cylinder Head Assembly | 111010610 | 403EA-11 | Original Perkins |
| 8 | Starter Motor | 185086570 | 403EA-11 | Original Perkins |
| 9 | Oil Filter | 140517030 | 403EA-11 | Original Perkins |
| 10 | Oil Filter | 140546020 | 403EA-11 | Original Perkins |
| 11 | Thermostat | 145206270 | 403EA-11 | Original Perkins |
| 12 | Water Pump | 145017380 | 403EA-11 | Original Perkins |
| 13 | Fan | 145306690 | 403EA-11 | Original Perkins |
| 14 | Exhaust Manifold | 135616620 | 403EA-11 | Original Perkins |
| 15 | Lift Pump | 130506351 | 403EA-11 | Original Perkins |
| 16 | ECM | 185186210 | 403EA-11 | Original Perkins |
Why Work With ZEB Power?
- Multiple supply options: Original/OEM and remanufactured options can be discussed according to project budget and equipment condition.
- Perkins channel support: We work with authorized Perkins-related supply channels in China for engine and parts sourcing.
- Stock response for urgent maintenance: Common parts can be checked quickly for repair, overhaul and distributor orders.
- Technical matching support: Our team supports matching by ESN, equipment model, engine photos and part number.
- Long-term supply cooperation: We support distributors, OEMs, generator manufacturers and equipment service companies with repeat supply.
- Export service experience: We serve customers in South America, Africa, CIS, Australia and Southeast Asia.




Packaging and Shipping
Each engine undergoes appearance inspection and serial number checking before shipment. Engines are packaged in reinforced steel-framed wooden boxes with moisture-proof protection and orientation labels. Key components such as ECM and fuel injectors are packaged in independent shock-proof containers and accompanied by export documents when required.
We maintain long-term cooperation with international freight forwarders and can support CIF, FOB and DDP terms according to customer requirements. Customers in Africa, South America and Southeast Asia usually choose LCL or FCL ocean shipping, while urgent parts can be arranged by air freight depending on order requirements.




FAQ
How do I confirm whether the Perkins 403EA-11 engine fits my equipment?
Please provide the Engine Serial Number, equipment model, current engine photos and nameplate information. We will help check the configuration before quotation.
What equipment commonly uses the Perkins 403EA-11 engine?
The Perkins 403EA-11 is commonly used in mini excavators, mini loaders, small tractors, compact generator sets, pumps, air compressors and light engineering equipment.
Can you supply Perkins 403EA-11 parts together with the engine?
Yes. We can support engine and parts inquiries, including fuel injection pumps, bearing kits, piston kits, cylinder head assemblies, starter motors, filters, thermostats, water pumps, lift pumps and ECM units.
What information is needed to order Perkins 403EA-11 parts?
Please provide the part number, engine model, ESN, part name, required quantity and destination country. If the part number is unknown, engine photos and equipment information can help with matching.
Can you provide flexible purchasing options for limited budgets?
Yes. Depending on the engine or part category, Original/OEM and remanufactured options can be discussed to balance reliability, lead time and project budget.
How do you reduce the risk of incorrect engine or parts ordering?
Each quotation is checked against the engine serial number, part number and equipment information. Before shipment, product photos and key information can be confirmed to reduce ordering risk.
What shipping options are available?
We can arrange ocean, air and land freight depending on order urgency, destination and cargo type. CIF, FOB and DDP terms can be discussed according to customer requirements.
Contact and Inquiry
To request a quote for a Perkins 403EA-11 engine, replacement solution or related parts, please provide the following information:
- Engine Serial Number, if available
- Equipment model and application
- Required engine configuration or part numbers
- Quantity and preferred quality option
- Destination country and port
Contact us for quotation, stock verification and technical matching support
Related Product
-
Perkins 4016-61TRG3A 4000 Series Diesel Engine 2000kWPerkins 4016-61TRG3A 4000 Series diesel engine for generator sets, mining, data centers, oilfield and marine power. 2000 kW / 2680 HP, 61.123 L, … -
Perkins 4016TAG2A 4000 Series Diesel Engine 1825kVA StandbyPerkins 4016TAG2A 4000 Series V16 diesel engine for generator, mining and industrial power projects. 1650 kVA prime, 1825 kVA standby, 65L, turbo…