Tractor · 1978Unverified
Massey Ferguson 4840
Massey Ferguson 4840 — Four-wheel Drive (4WD) tractor · 265 hp. Reference specifications; pending source verification.
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
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
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
PTO & Hydraulics
PTO (claimed)157.3 kWReference
PTO (tested)157.1 kWReference
Typeopen centerReference
Valves3 to 4Reference
Pump flow60.6 lpmReference
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
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
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
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.