Massey Ferguson 393

Last Updated: July 2024

Overview

The Massey Ferguson 393 is a utility tractor with a Perkins AT4.236 turbocharged diesel engine producing 86.2 horsepower at rated speed. Key specifications include an 8-speed manual transmission, power steering, open center hydraulics, and a Category II rear hitch. Independent test results show a maximum torque of 248 lb-ft, hydraulic power of 12.9 HP at 3050 psi, and a cab sound level of 83 dB(A). Detailed transmission speeds, fuel efficiency, and drawbar performance data have been added based on the test results. The engine has a compression ratio of 15.5:1 and additional cooling system details are provided.
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Key Specifications

Category: Utility

Power Output: 86.2

Transmission: Manual

Drive Type: 2WD

Operating Weight: 2WD ROPS : 6371 | 4WD ROPS : 6986 | 2WD Cab : 7021 | 4WD Cab : 7636

Fuel Type: Diesel

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Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor Massey Ferguson 393 Tractor

Massey Ferguson 393 vs. Similar Tractors

Power Output
Above Average
Greater than 80% of similar tractors.
Operating Weight
Excellent
Greater than 100% of similar tractors.

Technical Specifications

Engine

Manufacturer
Perkins
Model
AT4.236
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
4
Displacement (ci)
236
Bore (in)
3.875
Stroke (in)
5
Rated RPM
2200
Power Output (hp)
86.2

Transmission

Type
Manual
Forward Gears
8
Reverse Gears
2
Total Gears
-

Dimensions

Length (in)
2WD: 144.4 | 4WD: 152.8
Width (in)
78.8
Height (in)
ROPS: 98.3 | Cab: 105.1
Operating Weight (lb)
2WD ROPS : 6371 | 4WD ROPS : 6986 | 2WD Cab : 7021 | 4WD Cab : 7636

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Power
Coolant Capacity (qts)
16
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
-
Hitch Type
II
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
ROPS or Cab
Starter Type
Electric Starter
Brake Type
-
Hydraulic System Type
Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: April to May, 1992

Maximum Power and Fuel Consumption

  • Maximum Power at Rated Engine Speed (2201 rpm): 86.2 HP (64.3 kW)
  • Fuel Consumption at Maximum Power: 5.32 Gal/hr (20.12 l/h) with a fuel efficiency of 0.431 lb/hp.hr (0.262 kg/kW.h)

Drawbar Performance

  • Power at Maximum Drawbar Pull (5th Gear): 71.5 HP (53.3 kW) with a drawbar pull of 7600 lbs (33.8 kN) and a speed of 6.23 mph (10.03 km/h)
  • Fuel Consumption at Maximum Drawbar Pull: 0.653 lb/hp.hr (0.397 kg/kW.h) with a fuel efficiency of 10.71 Hp.hr/gal (2.11 kW.h/l)
  • Maximum Torque: 248.0 lb.ft (336.2 Nm) at 1297 rpm

Hydraulic Performance

  • Maximum Force Exerted: 4160 lbs (18.5 kN)
  • Pump Delivery Rate at Minimum Pressure: 7.9 GPM (29.9 l/min)
  • Hydraulic Power: 12.9 HP (9.59 kW) at a delivery pressure of 3050 psi (210 bar)

Sound Level

  • Maximum Sound Level (4th gear): 83.0 dB(A) with cab

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (540 rpm): 16.22 Hp.hr/gal (3.20 kW.h/l) at 2201 rpm
  • Fuel Consumption: 5.32 Gal/hr (20.12 l/h) at 2201 rpm



NTTL.(1992).Nebraska Summary: S128 Massey Ferguson 393 Diesel. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2699

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