Massey Ferguson 4840

The Massey Ferguson 4840 is a tractor produced by Massey Ferguson. It is equipped with a 903 ci 14.8 L engine. The rated power output is 265 hp 197.6 kW. Transmission: 12 forward and 4 reverse. Operating weight: 27000 to 30920 pounds.

Overview

	1978 - 1983 4000 4WD SeriesFour-wheel Drive (4WD) tractor
1978 - 1983
4000 4WD Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	Massey Ferguson
Four-wheel Drive (4WD) tractor
Original price was $98,000 in 1983

Massey Ferguson 4840 Engine
Cummins 14.8L 8-cyl diesel
Engine details ...

Massey Ferguson 4840 Power
Engine (net)	265 hp 197.6 kW
Drawbar (claimed)	170 hp 126.8 kW
PTO (claimed)	211 hp 157.3 kW
Drawbar (tested)	179.65 hp 134.0 kW
PTO (tested)	210.67 hp 157.1 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	planetary
Articulated power steering
Hydraulic caliper brakes
Cab standard with heat and air-conditioning. Optional AM/FM 8-track stereo.

Capacity
Fuel	190 gal 719.1 L
Steering	96 qts 90.9 L
Front axle	42 qts 39.7 L
Rear axle	84 qts 79.5 L

Hydraulics
Type	open center
Valves	3 to 4
Pump flow	16 gpm (transmission) 60.6 lpm
	16 gpm (lift) 60.6 lpm
	28 gpm (auxiliary) 106.0 lpm
Total flow	60 gpm 227.1 lpm
Steering cap.	96 qts 90.9 L

Tractor hitch
Rear Type	IV
Control	position control with electronic lower link sensing
Rear lift (at 24"/610mm)	11000 lbs 4989 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000 (1.75)
Engine RPM	1000@2350

Dimensions & Tires
Wheelbase	137 inches 347 cm
Weight	27000 to 30920 pounds
Front tire	23.1-34
Rear tire	23.1-34
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	60
Batteries	4
Battery volts	12

References
MF 4000 Series 4-Wheel Drives published in 1979, by Massey Ferguson
MF 4000 Series 4-Wheel Drives published in 1984, by Massey Ferguson
Product Information Manual MF4840-MF4880 4 Wheel Drive Tractors published in 1978, by Massey Ferguson

Engine

Engine Detail — 903 ci / 14.8 L Diesel

Manufacturer	Cummins V-903
Fuel Type	Diesel
Configuration	8-cylinder, liquid-cooled
Displacement	903 ci 14.8 L
Bore/Stroke	5.50x4.75 inches 140 x 121 mm
Power (net)	265 hp 197.6 kW
Air cleaner	dual dry elements
Compression	15.5:1
Starter volts	12
Oil capacity	37.5 qts 35.5 L
Coolant capacity	60 qts 56.8 L

Transmission

Transmission options
18-speed partial power shift
12-speed gear

Transmission — 18 forward and 6 reverse partial power shift

Type	partial power shift
Gears	18 forward and 6 reverse
Clutch	wet disc with four 14-inch plates
Oil capacity	44 qts 41.6 L
Three gears (1-3) in two ranges (high/low) with three-speed power shift (low/intermediate/high).

Massey Ferguson 4840 Transmission

Transmission — 12 forward and 4 reverse gear

Type	gear
Gears	12 forward and 4 reverse
Four gears in three ranges, plus reverse range.
With 23.1-34 tires.

Dimensions

Massey Ferguson 4840 Tires
Ag front	23.1-34
Ag rear	23.1-34
Ag front	18.4-38
	20.8-38
	24.5-32
	30.5-32
Ag rear	18.4-38
	20.8-38
	24.5-32
	30.5-32

Dimensions
Wheelbase	137 inches 347 cm
Length	252 inches 640 cm
Width	108 inches 274 cm
Height	130 inches 330 cm
Front axle	4 inch diameter 101 mm
Rear axle	4 inch diameter 101 mm

Massey Ferguson 4840 Weight
Shipping	27000 lbs 12247 kg
Operating	30920 lbs (23.1-34 duals) 14025 kg
Max capacity	34000 lbs 15422 kg

Tests

Nebraska Tractor Test 1343
Diesel 18-speed 4WD April 16 - May 6, 1980 Link: Nebraska Tractor Test 1343 file
PTO performance
Power at rated engine speed	210.67 hp 157.1 kW
Fuel use	14.5 gal/hour 54.9 l/hour
Power at rated PTO speed	210.61 hp 157.1 kW
Fuel use	13.5 gal/hour 51.1 l/hour
Drawbar performance
Max power	179.65 hp 134.0 kW
Fuel use	14.5 gal/hour 54.9 l/hour
Gear 2L-L used for power test.
Max pull	28,191 lbs 12787 kg
Gear 1L-L used for pull test.

Photos

Massey Ferguson 4840, front view.

Massey Ferguson 4840, right side.

Massey Ferguson 4840, rear view.