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Large Yard Tractor Engine Fault Diagnosis System
Large Yard Tractor Engine Fault Diagnosis System (Product Code: SLE/ATE/24) is a heavy-duty engine simulator built on a Cummins diesel engine assembly of 400HP or more, the class of power unit used in large yard tractors. It carries complete fuel, cooling, intake (suction) and exhaust systems, and its check terminals on the electrical circuit and sensors allow testing with diagnosis equipment, so faults that can occur on an actual vehicle can be checked and diagnosed on the stand. Components normally hidden on the vehicle are opened out to show their location and operating state. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, for heavy-vehicle programmes that need large-engine lab equipment for technical institutes.
Specifications
| Parameter | Detail |
|---|---|
| Engine | Cummins diesel engine assembly, 400HP or more |
| Fuel and electrical | Fuel filter, fuel tank (removable), fuel pump, fuel, battery, generator |
| Cooling | Radiator, electric fan cooling system, overflow tanks, antifreeze; stand for the radiator |
| Exhaust | Exhaust components such as an exhaust silencer |
| Controls | Ignition switch (key switch), control box, accelerator lever |
| Control panel | Meter, oil pressure gauge, power switch, power lamp, 20-port diagnosis terminal, voltmeter, ampere meter |
| Fault function | Auto Fault |
| Frame and protection | Stainless steel molded-type guards; laser processing protection panel; anti-vibration dampers; urethane wheels |
| Weight | Approx. 650 kg |
| Size | Approx. 2,400 x 1,500 x 1,500 mm |
Training contents:
- Exhaust measurement; cylinder compression pressure measurement and inspection
- Connector-checking socket for inspection of sensors and actuators
- Fuel pump operation test; oil pressure measurement and inspection
- Measurement and adjustment of belt tension
- Inspection of automotive electrical parts, fuel system, ECU, sensors and actuators
- Radiator cap pressure measurement, radiator leak test and inspection
- Inspection of every part of the suction and exhaust system
- Inspection of the cooling system, belts and all kinds of pumps
- Inspection of the remaining parts
- Voltage and current measurement and inspection of circuits such as the charging circuit and maneuver circuit
Typical Use
Port terminals, logistics yards and heavy-vehicle service centres rely on technicians who can diagnose large diesel engines quickly, and practising on a full-size engine is the most direct way to build that skill. On this system, trainees start the engine from the key switch, monitor oil pressure, voltage and current on the control panel, and use the 20-port diagnosis terminal and connector-checking socket to test sensors, actuators and the ECU. Mechanical checks — compression, belt tension, radiator cap pressure and leak testing — complete a service routine that mirrors real workshop practice.
Because the engine is much larger than those on passenger-car trainers, it gives students a realistic feel for heavy-duty cooling, fuel and charging systems. Use it as the capstone unit in a TVET heavy-vehicle curriculum, after learners have covered smaller diesel engines. Run it only with good ventilation or exhaust extraction, keep the stainless guards fitted, and let the cooling system cool down before opening the radiator cap.
Manufacturer
The Large Yard Tractor Engine Fault Diagnosis System is built by Jain Scientific Equipments Private Limited, trading as ScienceLab in Ambala, Haryana, India. Our company profile has more about our work.
Related Automotive Training Equipment
Useful trainers for a heavy-vehicle workshop:
- Diesel Engine Fault Diagnosis Training Equipment Auto Fault — a smaller diesel fault trainer to prepare students first
- Trailer Air Brake Training Equipment — air brake and ABS training for the trucks and trailers these tractors move
- Heavy Duty Vehicles Differential Gear Model — the heavy-duty driveline downstream of the engine
- Digital Multimeter — for charging and maneuver circuit voltage and current checks
View all Automotive Training Equipment.
Frequently Asked Questions
What engine is installed?
A Cummins diesel engine assembly of 400HP or more.
What instruments are on the control panel?
A meter, oil pressure gauge, voltmeter, ampere meter, power switch, power lamp and a 20-port diagnosis terminal.
What faults can be set with the Auto Fault function?
Auto Fault is listed as a feature, but the list of fault conditions is not given in our current documentation. Contact us for details.
How large and heavy is the system?
Approx. 2,400 x 1,500 x 1,500 mm and approx. 650 kg. It stands on urethane wheels with anti-vibration dampers.
What site services should we prepare?
Plan for ventilation or exhaust extraction because the engine runs. For fuel and electrical requirements, please ask us before installation.
Is a calibration certificate available for the gauges and meters?
This depends on the order; discuss it with us when you request a quotation.
Do you supply institutions abroad?
Yes, we supply India and international markets. Share your destination and quantity, and we will confirm warranty terms in the quotation.
Request a Quote
For pricing and delivery, contact us or add this system to your enquiry cart.
Last updated: 23 September 2026
