| Manufacturer | Massey Ferguson |
| Price | 98,000(USD) |
| Model | 4840 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory |
NEBRASKA TRACTOR TEST 1343 2
| Description | Diesel 18-speed 4WD April 16 - May 6, 1980 Link: Nebraska Tractor Test 1343 file PTO performance Drawbar performance Gear 2L-L used for power test. Gear 1L-L used for pull test. |
| Power at rated engine speed | 210.67hp / 157.1kW |
| Fuel use | 14.5gal/hour / 54.9l/hour |
| Power at rated PTO speed | 210.61hp / 157.1kW |
| Max power | 179.65hp / 134.0kW |
| Max pull | 28,191lbs / 12787kg |
MASSEY FERGUSON 4840 POWER
| Engine (net) | 265hp / 197.6kW |
| Drawbar (claimed) | 170hp / 126.8kW |
| PTO (claimed) | 211hp / 157.3kW |
| Drawbar (tested) | 179.65hp / 134.0kW |
| PTO (tested) | 210.67hp / 157.1kW |
ENGINE DETAIL
The Massey Ferguson 4840 features a powerful Cummins V-903 diesel engine with 903ci displacement, providing robust torque for demanding agricultural tasks. Its 15.5:1 compression ratio aids in fuel efficiency and power output, while dual dry air filters enhance engine longevity by ensuring clean air intake. However, consider the significant oil (37.5 qts) and coolant (60 qts) capacities, which may imply higher maintenance costs and the need for proper servicing routines to prevent overheating in prolonged operations.
| Description | Cummins V-903 diesel 8-cylinder liquid-cooled |
| Displacement | 903ci / 14.8L |
| Bore/Stroke | 5.50x4.75inches / 140x 121 mm |
| Air cleaner | dual dry elements |
| Compression | 15.5:1 |
| Starter volts | 12 |
| Oil capacity | 37.5qts / 35.5L |
| Coolant capacity | 60qts / 56.8L |
MASSEY FERGUSON 4840 ENGINE
The Massey Ferguson 4840 is powered by a robust Cummins 14.8L 8-cylinder diesel engine, offering substantial torque and horsepower for demanding agricultural tasks. Its high displacement enhances fuel efficiency and towing capacity, making it ideal for heavy-duty applications. However, the engine's size may lead to increased maintenance requirements and operational costs, particularly in scenarios involving prolonged use or varied terrain.
| Description | Cummins 14.8L 8-cyl diesel |
TRANSMISSION
The Massey Ferguson 4840's partial power shift transmission with 18 forward and 6 reverse gears provides versatile speed management, ideal for varying field conditions. The wet disc clutch system with four 14-inch plates offers smooth engagement and durability, but may require regular maintenance to ensure optimal performance. With an oil capacity of 44 quarts (41.6L), ensuring adequate lubrication is crucial for the longevity of the transmission system, especially during intensive operation scenarios like plowing or hauling heavy loads.
| Type | partial power shift |
| Gears | 18 forward and 6 reverse |
| Clutch | wet disc with four 14-inch plates |
| Oil capacity | 44qts / 41.6L |
| Description | Three gears (1-3) in two ranges (high/low) with three-speed power shift (low/intermediate/high). |
SPEEDS
| Description | With 23.1x34 duals. |
MECHANICAL
The Massey Ferguson 4840 features a 4x4 articulated chassis with hydrostatic power steering, offering enhanced maneuverability and stability in diverse terrains, making it ideal for agricultural applications where precision is key. Its 18-speed partial power shift transmission allows for smooth gear transitions, which can improve operational efficiency during varied field tasks. The equipped cab with climate control enhances operator comfort, but its complexity might result in higher maintenance costs.
| Chassis | 4x4 articulated 4WD |
| Steering | articulated hydrostatic power |
| Brakes | hydraulic caliper |
| Cab | Cab standard with heat and air-conditioning. Optional AM/FM 8-track stereo. |
| Transmission | 18-speed partial power shift |
CAPACITY
| Fuel | 190gal / 719.1L |
| Steering | 96qts / 90.9L |
| Front axle | 42qts / 39.7L |
| Rear axle | 84qts / 79.5L |
HYDRAULICS
| Type | open center |
| Valves | 3 to 4 |
| Pump flow | 16gpm / 60.6lpm (transmission)/16gpm / 60.6lpm (lift)/28gpm / 106.0lpm (auxiliary) |
| Total flow | 60gpm / 227.1lpm |
| Steering cap. | 96qts / 90.9L |
TRACTOR HITCH
| Rear Type | IV |
| Control | position control with electronic lower link sensing |
| Rear lift (at 24 | 11,000lbs / 4989kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.75) |
| Engine RPM | 1000@2350 |
MASSEY FERGUSON 4840 TIRES
The Massey Ferguson 4840 tractor features 18.4-38 agricultural tires, providing good traction and stability on various terrains. The rear tire options (18.4-38, 20.8-38, 24.5-32, and 30.5-32) allow for flexibility in load capacity and soil compaction management, enhancing its utility for different farming applications. However, larger tires may increase the risk of soil compaction if not managed correctly, making it crucial to select the appropriate size based on operational needs.
| Ag front | 18.4-38 |
| Ag rear | 18.4-38/20.8-38/24.5-32/30.5-32 |
DIMENSIONS
| Wheelbase | 137inches / 347cm |
| Length | 252inches / 640cm |
| Width | 108inches / 274cm |
| Height | 130inches / 330cm |
| Front axle | 4 inch diameter /101 mm |
| Rear axle | 4 inch diameter /101 mm |
MASSEY FERGUSON 4840 WEIGHT
| Shipping | 27,000lbs / 12247kg |
| Operating | 30,920lbs / 14025kg (23.1-34 duals) |
| Max capacity | 34,000lbs / 15422kg |
DIMENSIONS & TIRES
The Massey Ferguson 4840 features a substantial wheelbase of 137 inches, enhancing stability, particularly during heavy towing or fieldwork scenarios. Weighing between 27,000 and 30,920 pounds, this tractor is designed for rugged tasks but may face challenges in navigation across softer terrains due to its mass. The uniform tire size (23.1-34) allows for compatibility with various implements but may limit versatility in specialized applications requiring different traction profiles.
| Wheelbase | 137inches / 347cm |
| Weight | 27000 to 30920 pounds |
| Front tire | 23.1-34 |
| Rear tire | 23.1-34 |
4840 SERIAL NUMBERS
| Location | Rear, right-side of cab |
| 1978 | 9D001001 |
| 1979 | 9D001031 |
| 1980 | 9D002102 |
| 1981 | 9D002752 |
| 1982 | 9D003515 |
| 1983 | 9D003897 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 60 |
| Batteries | 4 |
| Battery volts | 12 |