Ford 8N

Last Updated: July 2024

Overview

The Ford 8N is a 2WD utility tractor from the N series. This iconic tractor was produced by Ford in Highland Park, Michigan, USA from 1947 to 1952. Known for its versatility and simplicity, the 8N Ford tractor came fitted with a 2.0 L, four-cylinder gasoline engine, and was available with either a standard constant mesh transmission consisting of 4 forward and 1 reverse gear, or an optional Sherman combination transmission that provided 12 forward and 3 reverse gears. It was equipped with a three-point hitch system, an open operator station, and utilized a 6V electrical system with an electric starter. The 8N was aimed at the small farm market and became one of the most popular tractors of its time due to its utility, ease of operation, and reasonable price.
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Key Specifications

Category: Utility

Power Output: 27.4

Transmission: Constant mesh / Sherman Combination Transmission

Drive Type: 2WD

Operating Weight: 2717

Fuel Type: Gasoline

Image Gallery

Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor Ford 8N Tractor

Ford 8N vs. Similar Tractors

Power Output
Below Average
Greater than 21% of similar tractors.
Hitch Capacity
Below Average
Greater than 17% of similar tractors.
Operating Weight
Below Average
Greater than 22% of similar tractors.

Technical Specifications

Engine

Manufacturer
Ford
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
L-head
Fuel Type
Gasoline
Induction Type
Naturally Aspirated
Cylinders
4
Displacement (ci)
119.7
Bore (in)
3.19
Stroke (in)
3.74
Rated RPM
2000
Power Output (hp)
27.4

Transmission

Type
Constant mesh / Sherman Combination Transmission
Forward Gears
4 | 12
Reverse Gears
1 | 3
Total Gears
-

Dimensions

Length (in)
115
Width (in)
64.75
Height (in)
54.5
Operating Weight (lb)
2717

Power Take-Off (PTO)

PTO Type
Transmission
PTO Speed 1 (rpm)
545
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2
Drive Type
2WD
Steering Type
Mechanical
Coolant Capacity (qts)
12
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
1952
Hitch Type
Three-Point Hitch
Hitch Category
Category 1
Hitch Position
Rear
Hitch Capacity (lb)
800
Operator Station Type
Open
Starter Type
Electric
Brake Type
Manual Drum
Hydraulic System Type
-

Test Results

Nebraska Tractor Test Laboratory - Test Date: January 1947

Maximum Power and Fuel Consumption

  • Maximum Power: 23.16 HP (17.27 kW) at 2000 rpm
  • Fuel Consumption at Maximum Power: 2.81 Gal/hr (10.64 l/h) with a fuel efficiency of 0.613 lb/hp.hr (0.373 kg/kW.h)

Drawbar Performance

  • Power at Rated Engine Speed: 16.35 HP (12.19 kW) with a drawbar pull of 1507 lbs (6.70 kN) and a speed of 3.51 mph (5.65 km/h)
  • Fuel Consumption at Rated Speed: 0.742 lb/hp.hr (0.451 kg/kW.h) with a fuel efficiency of 11.64 Hp.hr/gal (2.30 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 81.8 lb.-ft. (111 Nm) at 1200 rpm
  • Torque Rise: 26.3% with a power increase at 1200 rpm of 7.2%

Hydraulic Performance

  • Maximum Lift Force at Hitch Point: 800 lbs (3.56 kN)
  • Pump Delivery Rate: 2.85 GPM (10.8 l/min) at engine speed of 1500 rpm
  • Hydraulic Power: 2.1 HP (1.6 kW) at a delivery pressure of 1100 psi (76 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (540 rpm): 12.06 Hp.hr/gal (2.37 kW.h/l)
  • Fuel Consumption: 2.70 Gal/hr (10.22 l/h) at 2000 rpm

    Nebraska Tractor Test Lab. (1947). Test 385: Ford Model 8N. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/965

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