Preet 3549 Challenger tractor has 3 cylinder naturally aspirated liquid cooled engine with 2781 CC displacement which can produce about 35 hp at 2100 engine rated RPM. Tractor has single clutch system with 8 forwards and 2 reverse gears. Tractor can produce about 155 Nm toque. Tractor has 1500 kg weight lifting capacity and 67 liters fuel tank capacity. Here are some specifications of tractor:
Engine
| Specifications | Data |
| 1. Engine make | Preet tractor |
| 2. Engine type | 3 cylinder 4 stroke Naturally aspirated Air cooled Diesel engine |
| 3. Maximum torque | 155+_5% |
| 4. HP | 35 hp category |
| 5. Bore*stroke | 100*118 |
| 6. Displacement | 2781 CC |
| 7. Engine rated RPM | 2100 |
| 8. Fuel injection pump | Inline |
| 9. Maximum engine RPM in tachometer | 2500 |
| 10. SFC | No data available |
| 11. Idle RPM | 650+_50 |
| 12. Compression ratio | 18.2+-1:1 |
| 13. Firing order | 1-3-2 |
| 14. Maximum idle RPM | 2250+-100 |
| 15, Air cleaner type | Dry type (oil bath type optional) |
| 16. Fuel injection timing | 8°+-1° |
| 17. Valve clearance in cold condition | 0.30 mm for intake and 0.40 mm for exhaust |
| 18. Fan belt free play | 10 to 15 mm |
| 19. Coolant capacity | 9.2 liters |
| 20. Engine oil amount | 8 liters |
The Preet 3549 Challenger tractor is equipped with a robust and reliable engine designed by Preet Tractors. The engine is a 3-cylinder, 4-stroke, naturally aspirated, air-cooled diesel engine with a displacement of 2781 CC. It delivers a maximum horsepower of 35 in its category and generates a torque of 155+_5%. The bore and stroke of the engine measure 100*118, and it operates at a rated RPM of 2100, with a maximum engine RPM of 2500 as indicated on the tachometer. The fuel injection pump is inline, and the fuel injection timing is set at 8°+-1°. The engine boasts a compression ratio of 18.2+-1:1 and follows a firing order of 1-3-2. Other notable features include an idle RPM of 650+_50 and a maximum idle RPM of 2250+-100. The air cleaner is of the dry type, with an optional oil bath type. Valve clearance in cold conditions is specified at 0.30 mm for intake and 0.40 mm for exhaust. The engine’s fan belt free play ranges from 10 to 15 mm, and it has a coolant capacity of 9.2 liters, along with an engine oil capacity of 8 liters.
Transmission system
| Specifications | Data |
| 1. Clutch type & size | Single clutch with 280 mm diameter |
| 2. Transmission type | Sliding mesh type |
| 3. Number of gears | 8 Forwards + 2 Reverse |
| 4. Clutch paddle free play | 20 to 25 mm |
The transmission system of the Preet tractor is designed for optimal functionality in various farming tasks. It incorporates a single with a 280 mm diameter, offering versatility and durability. The transmission type is of the sliding mesh variety, ensuring smooth gear shifting and efficient power transfer. With 8 forward gears and 2 reverse gears, this tractor’s transmission system provides ample flexibility to adapt to different working conditions. The clutch pedal has a free play of 20 to 25 mm, allowing for precise control and comfortable operation. Overall, the Preet tractor’s transmission system is engineered to deliver reliable performance and ease of use for a wide range of agricultural applications.
Gear speed chart
Gear speed at 2100 engine rated RPM
| Gear | Speed in kmph with 12.4*28 rear tyres |
| Low 1st | 2.40 |
| Low 2nd | 3.16 |
| Low 3rd | 4.90 |
| Low 4th | 7.73 |
| High 1st | 9.45 |
| High 2nd | 12.44 |
| High 3rd | 19.28 |
| High 4th | 30.45 |
| Low reverse | 3.36 |
| High reverse | 13.23 |
Note: This gear speed is with 12.4*28 standard rear tyre size, if there will be 13.6*28 tyre size then there will be difference in gear speed.
Brakes
| Specifications | Data |
| 1. Brake type | Multidisc mechanical brakes (standard) Wet brakes optional |
| 2. Minimum turning radius with brakes | No data available |
| 3. Minimum turning radius without brakes | 3.5 meters |
| 4. Brake paddle free play | 35 to 40 mm |
Steering system
| Specifications | Data |
| 1. Mechanical steering | Available (optional) |
| 2. Power steering | Available (standard) |
| 3. Oil capacity for mechanical steering | 0.5 liters |
| 4. Oil capacity for power steering | 2 liters |
The Preet tractor is equipped with a versatile steering system tailored to meet diverse preferences. The steering options include mechanical steering, available as an optional feature, and power steering, which comes as a standard inclusion. The power steering provides enhanced ease of maneuverability, ensuring a comfortable and efficient driving experience. For those who opt for the mechanical steering, the system requires an oil capacity of 0.5 liters, while the power steering system accommodates a larger oil capacity of 2 liters. This allocation of oil capacity reflects the differing demands and functionalities of the two steering options, with power steering catering to a more effortless and dynamic control of the tractor. Overall, Preet tractors offer flexibility in steering choices to suit the preferences and operational requirements of their users.
PTO system
| Specifications | Data |
| 1. PTO HP | No data available |
| 2. PTO speeds standard | Available |
| 3. PTO speeds Reverse | Not available |
| 4. PTO speeds Optional | Not available |
| 5. PTO speeds Economy | Not available |
Hydraulic system
| Specifications | Data |
| 1. Type | Live auto depth and draft control |
| 2. Weight lifting capacity | 1500 kg with 3 point linkage system |
Tyer size and air pressure according to condition for Preet 3549 Challenger
| Tyer size | Pressure in field | Pressure on road |
| 6.00*16 | 28 psi | 28 psi |
| 12.4*28 (standard) | 16 psi | 18 psi |
| 13.6*28 (optional) | 16 psi | 18 psi |
The Preet tractor is equipped with a range of tire sizes to cater to different operational conditions, providing optimal performance both in the field and on the road. The tire sizes available include 6.00*16, 12.4*28 (standard), and 13.6*28 (optional). For the 6.00*16 tires, the recommended air pressure is 28 psi, maintaining a consistent pressure both in the field and on the road. The 12.4*28 standard tires and optional 13.6*28 tires operate with a lower pressure of 16 psi in the field, ensuring better traction and reduced soil compaction during agricultural activities. On the road, the recommended air pressure for both standard and optional tires is 18 psi, balancing stability and efficiency during transportation. This tire size and pressure variability contribute to the adaptability of Preet tractors across diverse applications, emphasizing their versatility in agricultural and road usage.
Overall dimensions
| Dimensions | Measurements |
| 1. Wheel base | 2000 mm |
| 2, Overall length | 3630 mm |
| 3. Overall width | 1720 mm |
| 4. Overall height | 2155 mm |
| 5. Ground clearance | 405 mm |
| 6. Total weight of tractor | No data available |
Others
| Specifications | Data |
| 1. Battery | 75 AH |
| 2. Alternator | No data available |
| 3. Fuel tank | 67 liters |
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Instrument cluster of Preet 3549
- Engine RPM tachometer.
- Engine oil pressure gauge.
- Volt meter.
- Fuel gauge.
- Temperature gauge.
- High beam indicator.
- Battery charging indicator.
- Turn indicator lights.
Lubrication oil type and amount:
| Part | Type | Amount |
| Engine | 20W40 | 8 liters |
| Air cleaner oil if applicable | 20W40 | 1 liter |
| Power steering | 20W40 | 2 liters |
| Mechanical steering | EP-80 | 0.5 liter |
| Transmission, | EP 80 oil for dry disc brakes TRACTELEF 2900 for wet disc brakes | 55 liters |
| Grease | AP-3 | As required |
| Coolant capacity | No data available | 9.2 liters |
Unfortunately we don’t have proper data for implement selection for this tractor. If any of our visitor have this data and wants to share this information then please Contact Us.
Troubleshooting:
For troubleshooting please visit Preet 6049 tractor page because reasons of common problems are same for both the tractors.
Periodic maintenance chart for Preet 3549 challenger tractor
| Jobs | Hours every | |||
|---|---|---|---|---|
| 10 | 50 | 70 | 100 | |
| Cleaning of whole tractor | ✓ | |||
| Check & tight nuts | ✓ | |||
| Check water level in radiator | ✓ | |||
| Check air cleaner element | ✓ | |||
| Lubrication of all greasing points | ✓ | |||
| Check leakage of engine oil | ✓ | |||
| Check air pressure in tyres | ✓ | |||
| Clean suction strainer | ✓ | |||
| Change air cleaner oil if applicable | ✓ | |||
| Check battery electrolyte level & clean terminals | ✓ | |||
| Clean feed pump | ✓ | |||
| Drain out water fuel filters | ✓ | |||
| Check fan belt condition | ✓ | |||
| Check free play in clutch & brake paddle | ✓ | |||
| If dry air cleaner element then clean element | ✓ | |||
| Check oil level in engine & transmission | ✓ | |||
| Lubricate front axle center pins | ✓ | |||
| Lubricate king pins & lift rods | ✓ | |||
| Clean suction strainer | ✓ | |||
| Jobs | Hours every | |||
|---|---|---|---|---|
| 250 | 500 | 750 | 1000 | |
| Flush crankcase | ✓ | |||
| Change engine oil & oil filter | ✓ | |||
| Clean radiator fins | ✓ | |||
| Change transmission oil | ✓ | |||
| Clean fuel tank | ✓ | |||
| Change primary fuel filters | ✓ | |||
| Interchange front tyres to avoid improper wear | ✓ | |||
| Check free play in tapper bearing of front wheel | ✓ | |||
| Flush cooling system with clean water | ✓ | |||
| Change paper element of air cleaner | ✓ | |||
| Change strainer | ✓ | |||
| Change secondary fuel filter | ✓ | |||
| Clean front wheel hub and re lubricate | ✓ | |||
| Remove carbon from cylinder and cylinder head | ✓ | |||
| Grind valve if necessary | ✓ | |||
| Check play in water pump bearing | ✓ | |||
| Servicing of alternator, starter and battery | ✓ | |||
| Adjustment of valve clearance | ✓ | |||
| Servicing of nozzles | ✓ | |||
What is the fuel tank capacity of Preet 3549 Challenger tractor?
Tractor has 67 liters fuel tank capacity which is highest fuel tank capacity its hp segment. Farmers have not to take any tension about fuel after refueling the tank.
What is the hydraulic weight lifting capacity of Preet 3549 Challenger tractor?
Tractor 1500 kg weight lifting capacity with 3 point linkage system with auto depth and draft system which helps farmer to handle heavy farming equipments.
What is the engine oil capacity of Preet 3549 Challenger tractor?
Tractor has 8 liters engine oil capacity and 20W40 grade engine oil is recommended by the company which ensures long life of the engine.
Which types of steering system are there in Preet 3549 tractor?
In this tractor both mechanical and power steering options are available and oil capacity for mechanical steering is 0.5 liters and for power steering it is 2 liters.
What is the coolant capacity of Preet 3549 tractor?
9.2 liters is the coolant capacity of this tractor and it is recommended to maintain proper level of coolant and water (distilled water).