Production

Who manufactured this tractor and where was it built?

• Manufacturer: John Deere
• Type: Row-Crop tractor
• Built in: Waterloo, Iowa, USA
• Original price: $57,648 in 1982

Engine

What kind of engine does the John Deere 4840 have?

• John Deere 7.6L 6-cyl diesel

Transmission

What type of transmission is in the John Deere 4840?

• 8-speed full power shift

Horsepower

What is the horsepower of the John Deere 4840?

• Drawbar (claimed): 157 hp (117.1 kW)
• PTO (claimed): 180 hp (134.2 kW)
• Drawbar (tested): 151.21 hp (112.8 kW)
• PTO (tested): 180.63 hp (134.7 kW)

Mechanical

What are the mechanical features of the John Deere 4840?

• Two-wheel drive
• Differential lock: pedal-actuated hydraulic
• Power steering
• Differential hydraulic wet disc brakes
• Sound-Gard cab

Capacity

What are the fuel and hydraulic capacities of the John Deere 4840?

• Fuel: 103 gal (389.9 L)
• Hydraulic system: 16.5 gal (62.5 L)

Hydraulics

What are the hydraulic specifications of the John Deere 4840?

• Type: closed center
• Capacity: 16.5 gal (62.5 L)
• Valves: 2 or 3
• Pump flow: 23 gpm (87.1 lpm)

Tractor Hitch

What type of hitch does the John Deere 4840 have, and what is its lifting capacity?

• Rear Type: III/IIIN
• Rear lift: 8295 lbs (3762 kg)

Power Take-off (PTO)

What are the PTO specifications of the John Deere 4840?

• Rear PTO: independent
• Rear RPM: 1000 (1.75)

Dimensions & Tires

What are the dimensions and tire specifications of the John Deere 4840?

• Wheelbase: 118.5 inches (300 cm)
• Weight: 14900 to 18000 pounds
• Front tire: 11.00-16
• Rear tire: 18.4-38

Electrical

What are the electrical specifications of the John Deere 4840?

• Ground: negative
• Charging system: alternator
• Batteries: 2
• Battery volts: 6