The SUTH 804B is a tractor designed with strengthened chassis and axles. Its 12F+12R shuttle shifter makes operation easier, increasing the speed and flexibility of tractor operation. Optional 260/70R20 and 380/85R24 tires meet customers' needs for larger tire configurations..
Advantages
I. The SUTH 804B features the most robust rear axle among tractors of its model, with a more robust structure and stronger load-bearing capacity and impact resistance.
II. Its large chassis design allows for a wider range of horsepower compatibility, making it especially suitable for high-horsepower models (e.g., 80 hp and above).
III. Lower maintenance costs over long-term use, making it suitable for users prioritizing stability; recommended for heavy-duty operations (such as deep plowing and transportation), long-term high-intensity use, or high-horsepower models.
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KEY SPECS |
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ENGINE |
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Engine power (gross) |
58.5KW |
Manufacturer |
YTO |
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Power take-off (PTO) power |
45.8KW |
Engine model |
Y4105ZT |
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Steering hydraulics |
24 L/min |
Engine power (gross) |
58.5KW |
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Implement hydraulics |
48 L/min |
Rated engine speed |
2400 rpm |
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Remote control valves available |
Standard: Two pair |
Injection pump type |
Direct Injection |
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Pump type |
Gear pump |
Aspiration |
Turbocharger |
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Hitch type |
Category 2 |
Emissions compliance |
2 stage |
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Lift capacity, 24-in. behind link arms |
2000 kg |
Number of cylinders |
Four |
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Approximate shipping weight (open-station; cab) |
Open station: 3000 kg |
Displacement |
3.85 L |
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Wheelbase |
2050 mm |
Cooling system |
Water pump |
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Fuel tank capacity |
130 L |
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Battery size |
120A |
POWER TAKE-OFF (PTO) |
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Alternator (14-V) |
80A |
Standard |
540/760 rpm |
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Brakes |
Drum brake |
Optional |
540/1000 rpm |
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Steering |
Hydraulic steering |
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Axle capacity |
Front: 1600 kg |
TRANSMISSION |
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Front tread spacing |
1270, 1320, 1370 mm |
Standard transmission; forward/reverse |
12F / 12R |
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Rear tread spacing |
1300 - 1500 mm |
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Turning radius with brakes |
4.4 m |
Rollover protective structure |
Yes |
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Dimensions |
4050x1850x2670 mm, 3500x1500x2750 mm (Cab) |
Platform - flat/straddle |
Flat |
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TIRES |
CAB |
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Front |
8.30-24 |
Visibility |
Rear camera |
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Air conditioning, temperature differential |
16°C |
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Doors |
Two |
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Seat equipment |
Air suspension |
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Toolbox |
Yes |
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Rear |
12.4-32 |
Differential lock |
Yes |
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Front PTO |
Optional |
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Front 3PT linkage |
Optional |
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Air Brake |
Optional |
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Quick hitch |
Optional |
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Swing traction |
Optional |
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Details
Workshop
Packaging and Delivery
Factory
Agricultural tractor differential and differential lock
Differential Function: When a wheeled tractor turns, the inner and outer drive wheels travel different distances. If the inner and outer drive wheels rotate at the same speed, the inner wheel will slip relative to the road surface, and the outer wheel will slip relative to the road surface, creating a large additional steering resistance torque, making the tractor difficult to turn and increasing tire wear. Furthermore, due to the imperfectly equal inner tube pressure, different tire tread wear, and different vertical loads on the drive wheels, the rolling radii of the left and right drive wheels will not be exactly equal; if the speeds of both drive wheels are the same, the drive wheels will also slip or slide when the tractor travels in a straight line, increasing tire wear and engine power consumption. Therefore, a differential is installed between the left and right drive wheels. It allows the left and right half-shafts and the left and right drive wheels to rotate at different speeds when transmitting power to the left and right half-shafts.
The differential can not only be used for speed difference between the left and right drive wheels, but also for torque distribution between axles in multi-axle tractors, avoiding parasitic power that may occur in multi-axle tractors.
The locking coefficient of a simple gear differential is approximately 1.1 to 1.35. Therefore, when the tractor's traction condition of one drive wheel is poor, the tractor may get stuck. To overcome this drawback, a differential lock can be added to the simple gear differential. The differential lock either interlocks the half-shaft gears with the differential housing, or interlocks the left and right half-shafts (or the left and right drive shafts), causing the differential to lose its differential function. The left and right drive wheels then exert tangential forces according to their respective traction properties. The sum of these tangential forces increases, improving the tractor's traction and maneuverability.
The differential lock has a simple structure and reliable locking operation, but timely engagement and disengagement are crucial during use.
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