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John Deere 401B Technical Specifications

John Deere 401B 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) ................. 219 (3.60)
Engine Bore, in (mm) ................. 4.02 (102.0)
Engine Stroke, in (mm) ................. 4.33 (110.0)
Aspiration ................. Naturally aspirated
Rated Engine Power, hp (kW) ................. 66.0 (49.2)
Rated Engine Speed, rpm ................. 2500
Maximum Torque, Nm (ft-lb) ................. 217 (160)
Torque Speed, rpm................. 1300
Compression Ratio ................. 16.5:1
Firing Order ................. 1-3-4-2
Fuel System ................. Injection pump
Lubrication System ................. Pressure with full-flow filter
Air Cleaner ................. Dry type
Intake Valve Clearance, in (mm) ................. 0.014 (0.36)
Exhaust Valve Clearance, in (mm) ................. 0.018 (0.46)
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) ................. 219 (3.60)
Engine Bore, in (mm) ................. 4.02 (102.0)
Engine Stroke, in (mm) ................. 4.33 (110.0)
Rated Engine Power, hp (kW) ................. 66.0 (49.2)
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 ................. 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

Power Take Off

PTO Operational Type ................. Independent
PTO Horsepower, hp (kW) ................. 49.0 (36.4)
PTO Speed, rpm ................. 540

John Deere 401B 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) .................. 40.0 (37.7)
Maximum Forward Speed, mph (kph) ................. 16.1 (25.9)
Maximum Reverse Speed, mph (kph) ................. 4.8 (7.7)

Transmission Type ................. Power Shuttle
Gearbox Type ................. 8F/8R
Number of Forward Gears ................. 8
Number of Reverse Gears ................. 8
Clutch Type .................. Hydraulic wet disc
Oil Capacity, qts (L) .................. 40.0 (37.7)
Maximum Forward Speed, mph (kph) ................. 15.7 (25.3)
Maximum Reverse Speed, mph (kph) ................. 18.3 (29.4)

Wheels and Tires

Drive Wheels ................. 2WD 4x2
Steering Configuration ................. Front steer
Steering System ................. Hydrostatic power
Brakes Type ................. Hydraulic wet disc
Front Tire Size (Std) ................. 27-9.50-16
Rear Tire Size (Std) ................. 18.4-16A
Front Tire Size (Opt) ................. 11L-15
Rear Tire Size (Opt) ................. 17.5L-24
Front Tread, in (mm) ................. 49-74 (1240-1870)
Rear Tread, in (mm) ................. 48-76 (1210-1930)

John Deere 401B Hydraulic System

Hydraulic System Type ................. Closed center
Hydraulic Pump Type ................. Piston, variable displacement
Implement Pump Flow (Tractor), gpm (Lpm) ................. 6.5 (24.5)
Implement Pump Flow (Loader), gpm (Lpm) ................. 13.0 (49.2)
Hydraulic Pressure, Bar (psi) ................. 162 (2350)
Hydraulic Fluid Capacity, gal (L) ................. 10.0 (38.0)

Dimensions and Weight

Wheelbase, in (mm) ................. 79.4 (2010)
Length (Tractor), in (mm) ................. 127 (3225)
Length (Tractor/Loader), in (mm) ................. 191 (4850)
Height (Hood), in (mm) ................. 55 (1390)
Height (ROPS), in (mm) ................. 86 (2180)
Overall Width, in (mm) ................. 75 (1900)
Ground Clearance, in (mm) ................. 11 (280)
Weight w/o Loader, lb (kg) ................. 4452 (2020)
Weight with Loader, lb (kg) ................. 6280 (2850)

John Deere 401B Attachments

Loader Specifications

Maximum Lift Height (to pin), in (mm) ................. 121.5 (3080)
Clearance, Dumped Bucket, in (mm) ................. 93.6 (2370)
Reach At Full Height, in (mm) ................. 32 (810)
Dump Angle, deg ................. 41
Rollback Angle, deg ................. 13
Breakout Force (at pin), lb (kg) ................. 4000 (1815)
Lift to Full Height (at pin), lb (kg) ................. 2500 (1135)
Bucket Width, in (mm) ................. 74 (1870)
Raising Time to Full Height, second .................. 5.1
Bucket Dumping Time, second .................. 2.9
Lowering Time, second .................. 3.0