Overview of the 1326F6 Starter Motor

FOTON493 owners replacing a tired starter will find the 1326F6 a direct fit: a 12V, 2.8 kW reduction-gear unit with a pre-engaged solenoid, produced to the original flange and terminal layout.

The starter carries the full cranking current through its brushes and solenoid contact, so every start costs a little material. That is why the unit is normally replaced once, at the end of a long service life, rather than repaired repeatedly.

Technical Summary

• Rated voltage: 12V
• Rated output: 2.8 kW
• Pinion: 11 teeth
• Type: reduction gear starter with pre-engaged solenoid
• Application: FOTON493
• Net weight: approximately 5 kg
• Condition: new, direct replacement for the original unit

A 12V 2.8 kW rating is the output the motor can hold while cranking, not a peak figure. It is sized so the engine reaches starting speed on the first or second revolution, which is what makes a healthy start feel immediate.

The reduction gearset lets the motor run at high speed while the pinion turns slowly with high torque, which is why the unit stays compact enough for a crowded engine bay.

Reference Numbers and Cross References

Cross references for this starter are listed below. They are a matching aid rather than a substitute for checking the number on the old unit:

• 1326F6
• E049361000052
• L060300416

Cross references are a guide, not a fitment guarantee. The same engine family was often built with more than one starter, and the pinion module or terminal bracket can differ between them, so confirm the number on the unit being replaced. This starter is listed with 3 references in total.

Application Notes

FOTON493 applications in this range share the same mounting pattern and terminal layout, which is why one reference can serve several model years. Fitment is still decided by the starter number rather than by the badge on the vehicle. Owners of FOTON493 should treat the 1326F6 reference list as a starting point, not the final answer.

Vehicles that have had an engine or gearbox replacement may already carry a different starter from the one the catalogue expects, so treat the paperwork as a starting point rather than the final answer.

Failure Causes

Heat is the underlying cause in most cases. The starter sits close to the exhaust, and after a hot shutdown the solenoid winding and brush plate soak in heat with no airflow. Resin hardens, springs lose tension and the contact oxidises.

The brush plate is the second common failure point. Brushes shorten gradually, spring pressure falls, and contact becomes intermittent. Cranking speed drops a little every week until the engine refuses to start on a cold morning. This applies in particular to the 1326F6 supplied for FOTON493.

Diagnostic Signs

• No-crank with a fully charged battery
• Cranking that slows noticeably as the engine bay heats up
• Grinding that disappears on a second attempt
• Whine under load, suggesting a slipping pinion clutch
• Starter that continues to spin for a second after the engine fires

Before replacing the starter, check the battery state of charge, the terminal clamps, the engine earth strap and the main cable. On vehicles of this age a corroded earth connection produces exactly the same slow-crank symptom and costs far less to correct. Owners of FOTON493 should treat the 1326F6 reference list as a starting point, not the final answer.

Checks Before Installation

• Condition of the old pinion and ring gear before the new unit goes in
• Main cable continuity and the condition of the lug at the starter stud
• Battery voltage while cranking, measured at the battery posts
• Mounting face cleanliness and bolt condition
• That the replacement terminal layout matches the original harness

Fitting a new starter onto a worn ring gear or a marginal battery shortens its life. Check the simple items first, then fit the unit once and correctly.

Fitting the Replacement

With the battery isolated, remove any heat shield or ducting that blocks access and disconnect the main cable and solenoid connector. Support the unit before the mounting bolts come out; these starters are heavy enough to damage surrounding parts if they drop.

Inspect the ring gear teeth and the mounting face, then fit the replacement and torque the bolts evenly. Reconnect the main cable and signal wire, crank the engine for a moment and listen for clean engagement without a screech or grind. Owners of FOTON493 should treat the 1326F6 reference list as a starting point, not the final answer.

Quality Control and Supply from Hejian Nuojin Auto Parts Co., Ltd.

Hejian Nuojin Auto Parts Co., Ltd. manufactures starter and alternator components for the aftermarket. Every unit is bench tested for no-load current draw, solenoid pull-in and release voltage, pinion throw and running noise before packing.

Standard references are held as spot goods, volume orders are delivered in around 30 days, and every unit carries a one-year warranty against manufacturing defects.

Frequently Asked Questions

Does the starter need any maintenance?

No routine maintenance is required. Keeping the battery, terminals and earth connections clean is what extends starter life in practice.

Can the solenoid be replaced on its own?

It is possible, provided the motor draws normal current and the pinion is sound. Where the brushes are already short, replacing the complete starter avoids a second repair within a year.

Can I test the starter on the bench?

Yes. Apply battery voltage to the main stud and the signal terminal and check that the pinion throws and the motor turns. A clamp meter reading against the rated current will show whether the unit is drawing too much.

Should the ring gear be replaced at the same time?

Inspect it, but replace it only when the teeth show damage. A worn ring gear will damage a new pinion within a few starts.

Installation Method of 12V 2.8KW Starter for FOTON493 Engine

Pre-Installation Preparation

1. Safety and Tool Preparation

2. Component Inspection and Cleaning

Core Installation Steps

1. Positioning and Preliminary Fixing

2. Precise Bolt Tightening

3. Electrical Wiring Connection

Post-Installation Testing and Finalization

1. Power Restoration and Testing

Precautions for Installation of 12V 2.8KW Starter for FOTON493 Engine

I. Safety Operation Specifications

1. Mandatory Power DisconnectionThroughout the installation process, the negative terminal of the storage battery must be disconnected first (disassembly sequence: negative terminal first, then positive; reconnection sequence: positive terminal first, then negative). Live working is strictly prohibited to prevent short circuits that may burn the starter coil, wiring harness, or cause electric shock hazards.
2. Required Protective EquipmentOperators must wear insulating gloves and goggles to avoid short circuits caused by direct contact between hands and metal terminal posts, and to prevent cleaning agents, grease, or other substances from splashing into the eyes.
3. Prohibition of Violent OperationDo not strike the starter housing, drive gear, or solenoid switch with tools such as hammers or wrenches during installation. This may damage internal armature coils, bearings, or gear tooth surfaces, leading to starter jamming or abnormal operation.
4. Keep Away from Flammable EnvironmentsAvoid using flammable and explosive cleaning agents (e.g., gasoline) when cleaning the mounting surface. If degreasing is required, use a dedicated mechanical cleaning agent. Ensure the operating environment is well-ventilated and away from ignition sources.

II. Key Points for Component Compatibility and Inspection

1. Precise Model MatchingConfirm that the starter has a voltage of 12V and power of 2.8KW, and is fully compatible with the mounting holes of the FOTON493 engine and the module of the flywheel ring gear (the flywheel ring gear of FOTON493 is mostly 10-module; avoid gear grinding caused by mismatched tooth profiles). Mixing starters of different specifications is strictly prohibited.
2. Pre-Installation Component InspectionBefore installation, check that the starter has no external cracks, no oxidation or corrosion on terminal posts, and no missing or worn teeth on the drive gear (replace if tooth surface wear exceeds 0.5mm). Ensure the internal brushes are in good contact with the commutator, with no jamming or carbon powder accumulation; otherwise, clean or replace the components.
3. Qualified Cleaning of Mounting SurfacesThoroughly clean oil stains, rust, and metal debris from the starter mounting bracket (engine side) and the surface of the flywheel ring gear. Straighten the mounting surface if deformed; otherwise, the starter may be installed crookedly, causing vibration and poor gear meshing.

III. Core Requirements for Installation Process

1. Standard Bolt TighteningUse a torque wrench to tighten the fixing bolts to the specified torque (standard torque: 37±2N·m; refer to the FOTON493 Engine Maintenance Manual for details). Adopt an alternating diagonal tightening method to avoid uneven bolt tightness, which may cause vibration during starter operation or even bolt loosening and detachment.
2. Correct Wiring Connection

• Connect the main power cable (thick wire) to the large terminal post of the starter and the control wire (thin wire) to the small terminal post of the solenoid switch. Reversing or misconnecting the wires is strictly prohibited, as this may burn the solenoid switch or ignition switch.

• Apply a small amount of conductive paste to the terminal posts before connection to reduce oxidation contact resistance. Control the nut tightening torque at 9.8±1N·m; over-tightening may damage the terminal posts, while under-tightening may cause poor contact, overheating, and ablation.

3. Gap and Lubrication Adjustment

• Strictly control the gap between the drive gear and the flywheel ring gear within 2.5-5mm. Excessive gap may cause gear grinding noise, while insufficient gap may lead to gear jamming. Adjust the gap by adding or removing mounting shims (shim thickness is usually 0.5-2mm).

• Apply a small amount of high-temperature lithium-based grease only to the tooth surface of the drive gear and the moving parts of the shift fork (do not use engine oil or excessive grease). Prevent grease from seeping into the starter interior and contaminating the brushes and commutator.

4. Avoid Component InterferenceDuring installation, ensure the starter does not squeeze or entangle with surrounding pipelines (fuel pipes, water pipes, wiring harnesses). Reserve sufficient heat dissipation space (the distance between the starter housing and other components ≥3cm) to prevent heat accumulation during operation.

1. References：

English Translation: General Installation Torque and Basic Procedures for Starter Motors

1. General Installation Torque and Basic Procedures

2. Core Safety and Operational Logic for Starter Installation

3. Common Knowledge on Starter Component Compatibility and Clearance Adjustment