John Deere industrial tractors

John Deere 401B

The John Deere 401B is an industrial tractor produced from 1974 to 1982 by John Deere in Dubuque, Iowa, USA. It features a 3.6L 4-cylinder engine available in diesel or gasoline versions, with gross power of 66 hp and net power of 62 hp for the diesel model. The tractor offers 8-speed transmissions including a power shuttle option, two-wheel drive, and power steering. It has a wheelbase of 79.4 inches and weighs between 4452 and 6280 pounds depending on configuration. The 401B supports optional rear PTO and hitch, and has a closed center hydraulic system with 2350 psi pressure. Attachments include a front-end loader with a 2500 lbs lift capacity and 4000 lbs breakout force. The tractor is equipped with hydraulic wet disc brakes and an open operator station with ROPS for safety.

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Model401B

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Technical Specifications

Detailed specifications and technical data for John Deere 401B

Power

Engine	42 hp (31.3 kW)
Engine (net)	62 hp (46.2 kW)
Engine (gross)	66 hp (49.2 kW)

Tires

Ag rear	14.9-24
Lawn/turf rear	18.4-16A
Industrial rear	14.9-24, 17.5L-24
Lawn/turf front	27-9.50-16
Industrial front	11L-15, 7.50/8.00-16

Engine

Torque	160 lb-ft (217.0 Nm)
Options	John Deere 3.6L 4-cyl diesel, John Deere 3.6L 4-cyl gasoline
Rated RPM	2500
Torque RPM	1300
Air cleaner	dry
Bore/Stroke	4.02x4.33 inches (102 x 110 mm)
Power (net)	62 hp (46.2 kW)
Displacement	219 ci (3.6 L)
Oil capacity	6 qts (5.7 L)
Diesel engine	John Deere, diesel, 4-cylinder, liquid-cooled
Power (gross)	66 hp (49.2 kW)
Starter volts	12
Gasoline power	42 hp (31.3 kW)
Gasoline engine	John Deere, gasoline, 4-cylinder, liquid-cooled
Coolant capacity	12 qts (11.4 L)
Gasoline rated RPM	2500
Gasoline oil capacity	6 qts (5.7 L)
Gasoline starter volts	12
Intake valve clearance	0.014 inches (0.356 mm)
Exhaust valve clearance	0.018 inches (0.457 mm)
Gasoline coolant capacity	12 qts (11.4 L)

Height

Hood	55 inches (139 cm)
ROPS	86 inches (218 cm)
Exhaust	79 inches (200 cm)

Capacity

Fuel	19.5 gal (73.8 L)
Hydraulic system	10 gal (37.9 L)

Dimensions

Width	75 inches (190 cm)
Length	191 inches (with loader) (485 cm)
Weight	4452 lbs (2019 kg), 6280 lbs (tractor loader) (2848 kg)
Wheelbase	79.4 inches (201 cm)
Rear tread	48 to 76 inches (121 to 193 cm)
Front tread	49 to 74 inches (124 to 187 cm)
Ground clearance	11 inches (27 cm)
Clearance (front axle)	17 inches (43 cm)

Electrical

Ground	negative
Battery volts	12
Charging system	alternator

Hydraulics

Type	closed center
Capacity	10 gal (37.9 L)
Pressure	2350 psi (162.0 bar)
Total flow	13 gpm (49.2 lpm)

Mechanical

Drive	Two-wheel drive
Brakes	Hydraulic wet disc brakes
Steering	power
Final drives	inboard planetary
Operator station	Open operator station. ROPS.
Differential lock	rear standard

Production

Type	Industrial tractor
Factory	Built in Dubuque, Iowa, USA
Years made	1974 - 1982
Manufacturer	John Deere

Attachments

Loader	2500 lbs lift (full at pin) (1134 kg), 4000 lbs breakout (1814 kg), 41° dump, 32 inches reach (dumped) (81 cm), 13° rollback (ground line), 121.5 inches height (at pin) (308 cm), 93.6 inches clearance (dumped) (237 cm), raise: 5.1s, dump: 2.9s, lower: 3.0s, rollback: 2.6s, Bucket width: 73.5 inches (186 cm)

Transmission

Gears	8 forward and 4 reverse
Clutch	279mm disc
Options	8-speed, 8-speed power shuttle
Speeds note	Reverse speeds are about 20% farther than forward.
Power shuttle type	power shuttle
Power shuttle gears	8 forward and reverse
Power shuttle clutch	254mm hydraulic wet disc