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John Deere 84

John Deere 84 tractor
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The John Deere 84 is a wheel loader manufactured by John Deere from 1987 to 1990. It features a Yanmar 3.5L 4-cylinder liquid-cooled diesel engine producing 55 hp gross and 52 hp net. The tractor has a 3-speed torque converter transmission with 3 forward and 1 reverse gears. It is equipped with four-wheel drive and articulated power steering, with a four-post ROPS canopy and optional heated cab. The hydraulic system is open center with 2500 psi pressure and 21.1 gpm pump flow. Dimensions include a length of 183 inches, height of 114 inches (ROPS), and operating weight of 11246 lbs. Tires are 17.5/65-20 front and rear. Electrical system features negative ground, alternator charging, two 12-volt batteries. Attachments include a front-end loader with 9040 lbs breakout force and various bucket and boom specifications.
John Deere 84wheel loadertractorspecificationsYanmar enginetorque converter transmissionhydraulicsdimensionsattachments
Power-
Founded-
Model84

Technical Specifications

Detailed specifications and technical data for John Deere 84

Power

Engine (net):52 hp (38.8 kW)
Engine (gross):55 hp (41.0 kW)

Engine

Type:diesel
Model:Yanmar 4TN100
Torque:174 lb-ft (235.9 Nm)
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:15.3 gal (57.9 L)
Rated RPM:1800
Torque RPM:1200
Air cleaner:dry
Bore/Stroke:3.90x4.30 inches (99 x 109 mm)
Power (net):52 hp (38.8 kW)
Displacement:211 ci (3.5 L)
Oil capacity:13 qts (12.3 L)
Power (gross):55 hp (41.0 kW)
Starter volts:24
Coolant capacity:21.1 qts (20.0 L)

Dimensions

Length:183 inches (464 cm)
Rear tire:17.5/65-20
Front tire:17.5/65-20
Rear tread:61 inches (154 cm)
Front tread:61 inches (154 cm)
Height (ROPS):114 inches (289 cm)
Operating weight:11246 lbs (5101 kg)

Electrical

Ground:negative
Batteries:2
Battery volts:12
Charging system:alternator

Hydraulics

Type:open center
Pressure:2500 psi (172.4 bar)
Pump flow:21.1 gpm (79.9 lpm)

Mechanical

ROPS:Four-post ROPS canopy. Cab available with heat.
Drive:Four-wheel drive
Steering:Articulated power steering

Production

Type:Wheel Loader
Years made:1987 - 1990
Manufacturer:John Deere

Attachments

Dump angle:47°
Bucket width:81.9 inches (208 cm)
Reach (dumped):31 inches (78 cm)
Height (at pin):119 inches (302 cm)
Boom rod diameter:1.77 inches (4 cm)
Clearance (dumped):94 inches (238 cm)
Bucket rod diameter:1.77 inches (4 cm)
Loader breakout force:9040 lbs (4100 kg)
Boom cylinder diameter:3.15 inches (8 cm)
Rollback (ground line):49°
Bucket cylinder diameter:3.15 inches (8 cm)

Transmission

Type:torque converter
Gears:3 forward and 1 reverse

Related Models

John Deere 244E

Model:244E