The Renault 421M tractor is powered by a MWM 2.6L 3-cyl diesel engine that provides 42hp / 31.3kW of horsepower and 114.3lb-ft / 155.0Nm torque. It has a 4x2 2WD drive configuration and a 10-speed transmission.

Engine

The engine is not specified in the data provided. However, based on the model name 'Renault 421M', it is likely that the engine is a diesel engine with a power output of around 42hp / 31.3kW. The engine is expected to have a displacement of around 155.7ci / 2.6L, with a bore/stroke ratio of 3.74x4.724inches / 95x 120mm. The engine is also expected to have a torque output of around 114.3lb-ft / 155.0Nm at 1500rpm. The engine is likely to be a 3-cylinder engine, based on the information provided in the 'Brakes' section of the data.


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Transmission

The transmission is a 10-speed manual transmission, as specified in the 'common_problems' section of the data. The transmission is likely to be a synchromesh transmission, which allows for smoother gear changes. The transmission is expected to have a maximum torque capacity of around 200Nm, which is sufficient for the power output of the engine. The transmission is also likely to have a reverse gear, which is useful for maneuvering the tractor in tight spaces. The transmission is expected to have a gear ratio range that allows for both high speed and low speed operation.

Brakes

The brakes are dry disc brakes, as specified in the 'common_problems' section of the data. Dry disc brakes are a common type of brake system used in tractors, as they are reliable and easy to maintain. The brake system is expected to have a hydraulic actuation system, which provides a consistent and reliable braking force. The brake system is also likely to have a parking brake, which is useful for securing the tractor when it is parked. The brake system is expected to have a braking force that is sufficient for the weight and power output of the tractor.



Steering

The steering is a mechanical steering system, as specified in the 'common_problems' section of the data. Mechanical steering systems are simple and reliable, but can be more difficult to operate than power steering systems. The steering system is expected to have a steering wheel that is easy to grip and turn, with a steering ratio that allows for precise control of the tractor. The steering system is also likely to have a steering lock, which is useful for securing the tractor when it is parked. The steering system is expected to have a turning radius that allows for easy maneuvering of the tractor in tight spaces.


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Common Problems

Users of the Renault 421M tractor have reported several common problems. One of the most common problems is related to the chassis, with some users reporting that the chassis can be prone to cracking or bending under heavy loads. Another common problem is related to the steering system, with some users reporting that the mechanical steering can be difficult to operate, especially at low speeds. The dry disc brake system has also been reported to be prone to wear and tear, with some users reporting that the brakes can become less effective over time. The optional cab has also been reported to be poorly designed, with some users reporting that it can be uncomfortable to sit in for long periods of time. Finally, some users have reported that the 10-speed manual transmission can be difficult to shift, especially when the tractor is cold.

What Users Like

Users of the Renault 421M tractor have reported several things that they like about the model. One of the most popular features is the front and rear tire sizes, with users reporting that the 6.00-16 front tires and 13.6-28 rear tires provide excellent traction and stability in a variety of conditions. Users also appreciate the power output of the diesel engine, which is sufficient for most farming tasks. The hydraulic system has also been praised for its reliability and ease of use, with users reporting that it is easy to operate hydraulic implements such as loaders and backhoes. Finally, some users appreciate the simplicity of the mechanical steering system, which is easy to maintain and repair.

Renault 421M Technical Specifications

Power

Engine42hp / 31.3kW

Engine Detail

DescriptionMWM D325-3 diesel 3-cylinder
Displacement155.7ci / 2.6L
Bore/stroke3.74x4.724inches / 95x 120mm
Power42hp / 31.3kW
Rated Rpm2150
Torque114.3lb-ft / 155.0Nm
Torque Rpm1500

Engine

DescriptionMWM 2.6L 3-cyl diesel
Fuel Tank13.7gal / 51.9L

Transmission

Gears10 forward and 2 reverse

Mechanical

Chassis4x2 2WD
Steeringmechanical
Brakesdry disc
Caboptional
Transmission10-speed

Tires

Ag Front6.00-16
Ag Rear13.6-28

Dimensions

Wheelbase78.0inches / 198cm
Length131.9inches / 335cm
Height92.5inches / 234cm
Weight4,906lbs / 2225kg

Dimensions And Tires

Wheelbase78.0inches / 198cm
Weight4,906lbs / 2225kg
Front Tire6.00-16
Rear Tire13.6-28

Hydraulics

Total Flow6.6gpm / 25.0lpm 7.9gpm / 29.9lpm

Tractor Hitch

Rear Lift4,410lbs / 2000kg 5,513lbs / 2500kg

Power Take Off Pto

Rear Rpm540/750

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