Renault

Renault 421M

The Renault 421M is a farm tractor produced by Renault from 1977 to 1985. It is powered by a 2.6L 3-cylinder MWM diesel engine producing 42 hp (31.3 kW). The tractor features a 10-speed transmission with 10 forward and 2 reverse gears, two-wheel mechanical steering, and optional dry disc brakes. It has a fuel tank capacity of 13.7 gallons (51.9 L) and offers hydraulic flow options of 6.6 gpm (25.0 lpm) or 7.9 gpm (29.9 lpm). The rear hitch lift capacity ranges from 4,410 lbs (2000 kg) to 5,513 lbs (2500 kg), and the rear PTO operates at 540/750 rpm. Dimensions include a 78.0 inch (198 cm) wheelbase, 131.9 inch (335 cm) length, 92.5 inch (234 cm) height, and a weight of 4,906 lbs (2225 kg). Tire sizes are 6.00-16 front and 13.6-28 rear.
Power42 hp
Founded1972 - 1977
Model421M

Technical Specifications

Detailed specifications and technical data for Renault 421M

Power
Engine42 hp (31.3 kW)
Engine
Typediesel
ModelMWM D325-3
Power42 hp (31.3 kW)
Torque114.3 lb-ft (155.0 Nm)
Cylinders3-cylinder
Fuel tank13.7 gal (51.9 L)
Rated RPM2150
Torque RPM1500
Bore/Stroke3.74x4.724 inches (95 x 120 mm)
Displacement155.7 ci (2.6 L)
Hydraulics
Total flow6.6 gpm (25.0 lpm)
Alternate flow7.9 gpm (29.9 lpm)
Mechanical
DriveTwo-wheel drive
BrakesDry disc brakes (optional)
Steeringmechanical
Production
Years made1977 - 1985
ManufacturerRenault
Transmission
Type10-speed
Gears10 forward and 2 reverse
Tractor hitch
Rear lift4,410 lbs (2000 kg)
Alternate rear lift5,513 lbs (2500 kg)
Dimensions & Tires
Height92.5 inches (234 cm)
Length131.9 inches (335 cm)
Weight4,906 lbs (2225 kg)
Rear tire13.6-28
Wheelbase78.0 inches (198 cm)
Front tire6.00-16
Power Take-off (PTO)
Rear PTO Type540/750