Massey Ferguson

Massey Ferguson 4840

The Massey Ferguson 4840 is a four-wheel drive (4WD) tractor produced from 1978 to 1983 as part of the 4000 4WD Series. It features a powerful Cummins 14.8L 8-cylinder diesel engine delivering 265 hp (197.6 kW) net power. The tractor offers an 18-speed partial power shift or a 12-speed gear transmission, planetary final drives, articulated power steering, and hydraulic caliper brakes. It has a standard cab with heat and air-conditioning and optional AM/FM 8-track stereo. The 4840 has a wheelbase of 137 inches, weighs between 27,000 and 30,920 pounds, and includes a rear hitch with a lift capacity of 11,000 lbs. Fuel capacity is 190 gallons. Electrical system features a 12-volt negative ground with a 60 amp alternator and four batteries. The tractor is known for its durability and versatility in heavy-duty farming applications.
Power265 hp
Founded1978 - 1983
Model4840

Technical Specifications

Detailed specifications and technical data for Massey Ferguson 4840

Power
Engine (net)265 hp (197.6 kW)
PTO (tested)210.67 hp (157.1 kW)
PTO (claimed)211 hp (157.3 kW)
Drawbar (tested)179.65 hp (134.0 kW)
Drawbar (claimed)170 hp (126.8 kW)
Tires
Ag rear23.1-34, 18.4-38, 20.8-38, 24.5-32, 30.5-32
Ag front23.1-34, 18.4-38, 20.8-38, 24.5-32, 30.5-32
Engine
Typediesel
ModelCummins V-903
Coolingliquid-cooled
Cylinders8-cylinder
Air cleanerdual dry elements
Bore/Stroke5.50x4.75 inches (140 x 121 mm)
Power (net)265 hp (197.6 kW)
Displacement903 ci (14.8 L)
Oil capacity37.5 qts (35.5 L)
Starter volts12
Coolant capacity60 qts (56.8 L)
Compression ratio15.5:1
Weight
Shipping27000 lbs (12247 kg)
Operating30920 lbs (23.1-34 duals) (14025 kg)
Max capacity34000 lbs (15422 kg)
Capacity
Fuel190 gal (719.1 L)
Steering96 qts (90.9 L)
Rear axle84 qts (79.5 L)
Front axle42 qts (39.7 L)
Dimensions
Width108 inches (274 cm)
Height130 inches (330 cm)
Length252 inches (640 cm)
Wheelbase137 inches (347 cm)
Rear axle diameter4 inch diameter (101 mm)
Front axle diameter4 inch diameter (101 mm)
Electrical
Groundnegative
Batteries4
Battery volts12
Charging amps60
Charging systemalternator
Hydraulics
Typeopen center
Valves3 to 4
Pump flow16 gpm (transmission) (60.6 lpm), 16 gpm (lift) (60.6 lpm), 28 gpm (auxiliary) (106.0 lpm)
Total flow60 gpm (227.1 lpm)
Steering capacity96 qts (90.9 L)
Mechanical
Cabstandard with heat and air-conditioning. Optional AM/FM 8-track stereo.
DriveFour-wheel drive
BrakesHydraulic caliper brakes
SteeringArticulated power steering
Final drivesplanetary
Production
TypeFour-wheel Drive (4WD) tractor
Series4000 4WD Series
Original price$98,000 in 1983
Years produced1978 - 1983
Transmission
Gear
Typegear
Gears12 forward and 4 reverse
DescriptionFour gears in three ranges, plus reverse range
Options18-speed partial power shift, 12-speed gear
Partial power shift
Typepartial power shift
Gears18 forward and 6 reverse
Clutchwet disc with four 14-inch plates
DescriptionThree gears (1-3) in two ranges (high/low) with three-speed power shift (low/intermediate/high)
Oil capacity44 qts (41.6 L)
Tractor hitch
Controlposition control with electronic lower link sensing
Rear TypeIV
Rear lift (at 24"/610mm)11000 lbs (4989 kg)
Serial Numbers
19789D001001
19799D001031
19809D002102
19819D002752
19829D003515
19839D003897
LocationRear, right-side of cab
Power Take-off (PTO)
Rear PTOindependent
Engine RPM1000@2350
Rear PTO Type1000 (1.75)