Massey Ferguson 399

Last Updated: July 2024

Overview

The Massey Ferguson 399 represents a versatile utility tractor that served many farms with its robust design and reliable performance between 1987 and 1991. Powered by a 354-cubic-inch six-cylinder Perkins diesel engine with a compression ratio of 16 to 1, it delivers 90.5 horsepower at rated speed and up to 95.1 horsepower during a 2-hour test. Backed by a 12-speed selective gear fixed ratio transmission, this tractor was designed for a variety of tasks, delivering both efficiency and control. Its substantial lift capacity of 4340 lbs, optional four-wheel drive, and hydrostatic power steering ensure maneuverability and capability in versatile agricultural scenarios. With two-post roll-over protection structures (ROPS) as a standard feature and a cabin as an option, the MF 399 catered to the operator's comfort and safety. Its substantial operating weight and wheelbase contribute to its stability across different agricultural tasks, making it a resilient machine for various farming needs. Independent test results provide detailed performance metrics, including drawbar pull, speed, and fuel consumption, as well as hydraulic system specifications and hitch dimensions.
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Key Specifications

Category: Utility

Power Output: 90.5 (rated), 95.1 (2-hour test)

Transmission: Selective gear fixed ratio

Drive Type: 2WD or 4WD

Operating Weight: 2WD: 7840, 4WD: 8315

Fuel Type: Diesel

Massey Ferguson 399 vs. Similar Tractors

Hitch Capacity
Above Average
Greater than 72% of similar tractors.
Operating Weight
Above Average
Greater than 72% of similar tractors.

Technical Specifications

Engine

Manufacturer
Perkins
Model
A6.354
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Natural aspirated
Cylinders
6
Displacement (ci)
354
Bore (in)
3.878
Stroke (in)
5.0
Rated RPM
2200
Power Output (hp)
90.5 (rated), 95.1 (2-hour test)

Transmission

Type
Selective gear fixed ratio
Forward Gears
12
Reverse Gears
4
Total Gears
-

Dimensions

Length (in)
2WD: 163.4, 4WD: 168.9
Width (in)
87
Height (in)
102.8
Operating Weight (lb)
2WD: 7840, 4WD: 8315

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
540 at 1893 engine rpm
PTO Speed 2 (rpm)
1000 at 1900 engine rpm
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD or 4x4 MFWD 4WD
Drive Type
2WD or 4WD
Steering Type
Hydrostatic power
Coolant Capacity (qts)
21.2
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Front: Two 14.9-24; 6; 12 (83) for FWA, Two 10.0-16; 8; 26 (179), Rear: Two 18.4-34; 8; 12 (83)
Manufacture - End Year
1991
Hitch Type
Three-Point Hitch
Hitch Category
II
Hitch Position
Rear
Hitch Capacity (lb)
4340
Operator Station Type
Two-post ROPS or cab (optional)
Starter Type
Electric
Brake Type
Multiple wet disc
Hydraulic System Type
Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: July to August, 1987

Maximum Power and Fuel Consumption

  • Maximum Power (540 RPM PTO): 90.5 HP (67.5 kW) at 2200 engine rpm
  • Fuel Consumption at Maximum Power: 5.49 Gal/hr (20.79 l/h) with a fuel efficiency of 0.422 lb/hp.hr (0.257 kg/kW.h)

Drawbar Performance

  • Maximum Power in 9th Gear (2HL Gear): 73.5 HP (54.7 kW) with a drawbar pull of 7825 lbs (34.8 kN) and a speed of 3.7 mph (5.9 km/h)
  • Fuel Consumption at Maximum Power: 0.534 lb/hp.hr (0.325 kg/kW.h) with a fuel efficiency of 13.05 Hp.hr/gal (2.57 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 267.7 lb.-ft. (362.9 Nm) at 1250 rpm (1000 RPM PTO)
  • Torque Rise: 21%

Hydraulic Performance

  • Maximum Force Exerted: 4340 lbs (19.3 kN) through the whole range
  • Pump Delivery Rate: 8.8 GPM (33.3 l/min) at minimum pressure
  • Hydraulic Power: 14.2 HP (10.6 kW) at delivery pressure of 3045 psi (210 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (540 RPM): 16.50 Hp.hr/gal (3.25 kW.h/l)
  • Fuel Consumption: 5.48 Gal/hr (20.75 l/h) at 2200 rpm



NTTL. (1987). Nebraska Summary: S037-S038 Massey Ferguson 399. University of Nebraska-Lincoln DigitalCommons. https://digitalcommons.unl.edu/tractormuseumlit/2694

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