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Tractor · 1978Unverified

Massey Ferguson 4840

Name: Massey Ferguson 4840
Brand: Massey Ferguson

Massey Ferguson 4840 — Four-wheel Drive (4WD) tractor · 265 hp. Reference specifications; pending source verification.

The Massey Ferguson 4840 is a tractor model with an engine rating of approximately 265 horsepower. It was in production from 1978 to 1983. The tractor features an 8-cylinder diesel liquid-cooled engine paired with four-wheel drive and a powershift transmission. It has an operating weight of 27,000 to 30,920 pounds.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

265 hp

Max power

134.0 kW

Weight

27000 to 30920 pounds

Catalogue coverage

Variants represented

Richest spec table

125 rows

Recorded power

265 hp

Transmissions

18-speed partial power shift

Production years

1978-1983

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerMassey FergusonReference

Four-wheel Drive (4WD) tractorReference

Original price was $98,000 in 1983Reference

Four-wheel driveReference

Final drivesplanetaryReference

Articulated power steeringReference

Hydraulic caliper brakesReference

Cab standard with heat and air-conditioning. Optional AM/FM 8-track stereo.Reference

Engine

Cummins 14.8L 8-cyl dieselReference

Engine (net)197.6 kWReference

Drawbar (claimed)126.8 kWReference

Drawbar (tested)134.0 kWReference

Cummins V-903Reference

dieselReference

8-cylinderReference

liquid-cooledReference

Displacement14.8 LReference

Bore/Stroke140 x 121 mmReference

Power (net)197.6 kWReference

Air cleanerdual dry elementsReference

Compression15.5:1Reference

Starter volts12Reference

Oil capacity35.5 LReference

Coolant capacity56.8 LReference

Power at rated engine speed157.1 kWReference

Max power134.0 kWReference

Fuel TypeDieselReference

No of Cylinders8-cylinderReference

Bore and stroke5.50x4.75 inchesReference

Compression ratio15.5:1Reference

Cooling systemliquid-cooledReference

Transmission

18-speed partial power shiftReference

12-speed gearReference

Typepartial power shiftReference

Gears18 forward and 6 reverseReference

Clutchwet disc with four 14-inch platesReference

Oil capacity41.6 LReference

Three gears (1-3) in two ranges (high/low) with three-speed power shift (low/intermediate/high).Reference

TypegearReference

Gears12 forward and 4 reverseReference

Four gears in three ranges, plus reverse range.Reference

Transmission TypePowershiftReference

forward and reverse options18 forward and 6 reverseReference

PTO & Hydraulics

PTO (claimed)157.3 kWReference

PTO (tested)157.1 kWReference

Typeopen centerReference

Valves3 to 4Reference

Pump flow60.6 lpmReference

Pump flow106.0 lpmReference

Total flow227.1 lpmReference

Steering cap.90.9 LReference

Rear TypeIVReference

Controlposition control with electronic lower link sensingReference

Rear lift (at 24"/610mm)4989 kgReference

Rear PTOindependentReference

Rear PTO Type1000 (1.75)Reference

Engine RPM1000@2350Reference

Power at rated PTO speed157.1 kWReference

Capacities

Fuel719.1 LReference

Steering90.9 LReference

Front axle39.7 LReference

Rear axle79.5 LReference

Max capacity15422 kgReference

Capacity903 ciReference

Dimensions

Wheelbase347 cmReference

Weight27000 to 30920 poundsReference

Front tire23.1-34Reference

Rear tire23.1-34Reference

Ag front23.1-34Reference

Ag rear23.1-34Reference

Ag front18.4-38Reference

Ag front20.8-38Reference

Ag front24.5-32Reference

Ag front30.5-32Reference

Ag rear18.4-38Reference

Ag rear20.8-38Reference

Ag rear24.5-32Reference

Ag rear30.5-32Reference

Length640 cmReference

Width274 cmReference

Height330 cmReference

Front axle101 mmReference

Rear axle101 mmReference

Shipping12247 kgReference

Operating14025 kgReference

4840 Serial Numbers

Location:Rear, right-side of cabReference

19789D001001Reference

19799D001031Reference

19809D002102Reference

19819D002752Reference

19829D003515Reference

19839D003897Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps60Reference

Batteries4Reference

Battery volts12Reference

Battery options4Reference

Test results

Diesel 18-speed 4WDApril 16 - May 6, 1980Link: Nebraska Tractor Test 1343 fileReference

PTO performanceReference

Fuel use54.9 l/hourReference

Fuel use51.1 l/hourReference

Drawbar performanceReference

Gear 2L-L used for power test.Reference

Max pull12787 kgReference

Gear 1L-L used for pull test.Reference

Speeds

With 23.1x34 duals.Reference

With 23.1-34 tires.Reference

General

Make & ModelMassey FergusonReference

Rear Axle Type10.2 cmReference

Front Axle Type10.2 cmReference

Power

Rated Power265 hpReference

PTO

Rear PTO PowerAvailableReference

Hydraulics

Hydraulics Typeopen centerReference

Remote Valves3 to 4Reference

Rear Hitch category (SAE designation)Category IVReference

Rear Hitch Sensing Typeposition control with electronic lower link sensingReference

Dimensions & weight

Overall Height330.2 cmReference

Overall Length640.1 cmReference

Overall Width274.3 cmReference

Wheels & tyres

Rear wheel tread range23.1-34, 18.4-38, 20.8-38, 24.5-32, 30.5-32 inchReference

Front Wheel tread range23.1-34, 18.4-38, 20.8-38, 24.5-32, 30.5-32Reference

Steering & brakes

Steering typearticulated hydrostatic powerReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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