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John Deere 401 Technical Data

John Deere 401 Engine

Diesel Engine

Engine Model ................. John Deere
Engine Type ................. 4-Stroke, valve-in-head, four-cylinder liquid-cooled diesel
Number of Cylinders ................. 4
Displacement, cu in (L) ................. 202 (3.30)
Engine Bore, in (mm) ................. 3.88 (98.0)
Engine Stroke, in (mm) ................. 4.31 (110.0)
Aspiration ................. Naturally aspirated
Rated Engine Power, hp (kW) ................. 59.0 (44.0)
Rated Engine Speed, rpm ................. 2500
Idle Speed, rpm ................. 800-2650
Operating Speed, rpm ................. 1500-2500
Maximum Torque, Nm (ft-lb) ................. 197 (145)
Torque Speed, rpm................. 1300
Compression Ratio ................. 16.7:1
Firing Order ................. 1-3-4-2
Fuel System ................. Injection pump
Lubrication System ................. Pressure with full-flow filter
Air Cleaner ................. Dry type
Fuel Tank Capacity, gal (L) ................. 19.5 (73.8)
Oil Capacity, qts (L) ................. 6.0 (5.7)
Coolant Capacity, qts (L) ................. 12.0 (11.4)
Electrical System Rating, Volts ................. 12

Gasoline Engine

Engine Model ................. John Deere
Engine Type ................. 4-Stroke, 4-cylinder liquid-cooled gasoline
Number of Cylinders ................. 4
Displacement, cu in (L) ................. 180 (3.00)
Engine Bore, in (mm) ................. 3.88 (98.0)
Engine Stroke, in (mm) ................. 3.88 (98.0)
Rated Engine Power, hp (kW) ................. 59.0 (44.0)
Rated Engine Speed, rpm ................. 2500
Operating Speed, rpm ................. 1500-2500
Compression Ratio ................. 7.5:1
Firing Order ................. 1-3-4-2
Fuel System ................. Carburetor
Carburetor Type ................. Conventional up-draft
Lubrication System ................. Pressure with full-flow filter
Air Cleaner ................. Dry type
Fuel Tank Capacity, gal (L) ................. 19.5 (73.8)
Oil Capacity, qts (L) ................. 6.0 (5.7)
Coolant Capacity, qts (L) ................. 12.0 (11.4)
Electrical System Rating, Volts ................. 12

John Deere 401 Transmission

Transmission Type ................. Constant Mesh
Gearbox Type ................. 8F/4R
Number of Forward Gears ................. 8
Number of Reverse Gears ................. 4
Clutch Type .................. Dry disc
Clutch Disc Diameter, in (mm) .................. 11 (278)
Oil Capacity, qts (L) .................. 43.0 (40.5)
Maximum Forward Speed, mph (kph) ................. 16.1 (25.9)
Maximum Reverse Speed, mph (kph) ................. 4.8 (7.7)

Transmission Type ................. Direction Reverser
Gearbox Type ................. 8F/4R, power shuttle
Number of Forward Gears ................. 8
Number of Reverse Gears ................. 4
Clutch Type .................. Hydraulic wet disc
Oil Capacity, qts (L) .................. 43.0 (40.5)
Maximum Forward Speed, mph (kph) ................. 16.1 (25.9)
Maximum Reverse Speed, mph (kph) ................. 4.8 (7.7)

Wheels and Tires

Drive Wheels ................. 2WD 4x2
Steering Configuration ................. Front steer
Steering System ................. Power
Brakes Type ................. Hydraulic wet disc
Front Tire Size (Std) ................. 6.00-16
Rear Tire Size (Std) ................. 12.4-28
Front Tire Size (Opt) ................. 7.50-16
Rear Tire Size (Opt) ................. 13.6-28

John Deere 401 Hydraulic System

Hydraulic System Type ................. Closed center
Hydraulic Pump Type ................. Piston, variable displacement
Implement Pump Flow (Tractor), gpm (Lpm) ................. 8.8 (33.5)
Hydraulic Pressure, Bar (psi) ................. 155 (2250)
Hydraulic Fluid Capacity, gal (L) ................. 8.5 (32.2)
3-Point Hitch Category ................. 2

Dimensions and Weight

Wheelbase, in (mm) ................. 82 (2080)
Length, in (mm) ................. 131 (3320)
Height (Hood), in (mm) ................. 55 (1390)
Overall Width, in (mm) ................. 78 (1980)
Ground Clearance, in (mm) ................. 14 (355)
Weight (Gas), lb (kg) ................. 4390 (1990)
Weight (Diesel), lb (kg) ................. 4470 (2025)