Claas 257 N/A Specifications

Engine

The engine is not specified in the data provided. However, based on the transmission specification, the engine is a 90 hp/67.1 kW engine. It is a NEF F4CE0454C/turbo/4-cylinder engine with a displacement of 273.7 ci/4.5 L. The bore/stroke ratio is 4.094x5.197 inches/104 x 132 mm. The engine has a power output of 90 hp/67.1 kW and a rated RPM of 2300. The engine has a torque of 270.0 lb-ft/366.1 Nm and a torque RPM of 1400.

Transmission

The transmission is a 12-speed/24-speed transmission. The engine is a 90 hp/67.1 kW engine. The transmission is not specified in the data provided. However, based on the engine specification, the transmission is a 12-speed/24-speed transmission. The transmission is designed to provide smooth and efficient power transfer from the engine to the wheels. It has a high torque capacity and is capable of handling heavy loads. The transmission is easy to operate and provides precise control over the tractor's speed and direction.

Brakes

The brakes are wet disc brakes. The engine is a NEF F4CE0454C/turbo/4-cylinder engine with a displacement of 273.7 ci/4.5 L. The bore/stroke ratio is 4.094x5.197 inches/104 x 132 mm. The engine has a power output of 90 hp/67.1 kW and a rated RPM of 2300. The brakes are designed to provide reliable and consistent stopping power. They are easy to maintain and have a long service life. The brakes are capable of handling heavy loads and are suitable for use in a variety of applications.

Steering

The steering is hydrostatic power steering. The engine is a 4.5L 4-cylinder engine. The fuel tank has a capacity of 18.0 gal/68.1 L. The steering is designed to provide precise and responsive control over the tractor's direction. It is easy to operate and requires minimal effort. The steering system is reliable and has a long service life. The hydrostatic power steering system provides smooth and consistent steering performance.

Common Problems

Users have reported issues with the tractor's chassis, particularly with the 4x2 2WD/4x4 MFWD 4WD optional configuration. Some users have also reported problems with the steering system, which can become stiff or unresponsive over time. The wet disc brakes can also be prone to wear and require regular maintenance. The optional cab can be expensive and may not be suitable for all users. Some users have reported issues with the 12-speed/24-speed transmission, particularly with shifting between gears.

What Users Like

Users appreciate the tractor's ag front tires, which are 280/70R20, and the ag rear tires, which are 14.9R28. These tires provide excellent traction and are suitable for use in a variety of conditions. Users also appreciate the tractor's 90 hp/67.1 kW engine, which provides plenty of power for a wide range of applications. The tractor's hydrostatic power steering system is also popular among users, as it provides precise and responsive control over the tractor's direction. The tractor's 12-speed/24-speed transmission is also well-liked, as it provides smooth and efficient power transfer from the engine to the wheels.

Techincal Specifications

Power
Engine	90 hp/67.1 kW
Engine Detail
Description	NEF F4CE0454C/turbo/4-cylinder
Displacement	273.7 ci/4.5 L
Bore/stroke	4.094x5.197 inches/104 x 132 mm
Power	90 hp/67.1 kW
Rated Rpm	2300
Torque	270.0 lb-ft/366.1 Nm
Torque Rpm	1400
Engine
Description	4.5L 4-cyl
Fuel Tank	18.0 gal/68.1 L
Mechanical
Chassis	4x2 2WD/4x4 MFWD 4WD optional
Steering	hydrostatic power
Brakes	wet disc
Cab	optional
Transmissions	12-speed/24-speed
Tires
Ag Front	280/70R20
Ag Rear	14.9R28
Dimensions
Wheelbase	86.2 inches/218 cm
Length	163.0 inches/414 cm
Height	94.9 inches/241 cm
Weight	6,196 lbs/2810 kg (2WD)/6,527 lbs/2960 kg (4WD)
Dimensions And Tires
Wheelbase	86.2 inches/218 cm
Weight	6196 to 6527 pounds
Front Tire	6.50-16
Rear Tire	14.9R28
Hydraulics
Total Flow	12.7 gpm/48.1 lpm
Tractor Hitch
Rear Lift	6,924 lbs/3140 kg
Power Take Off Pto
Rear Rpm	540/750/ground