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Ford 8N

Ford 8N tractor
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The Ford 8N is a utility tractor produced from 1947 to 1952 as part of the N Series. Built in Highland Park, Michigan, USA, it was a popular model with 524,000 units built. It features a 2.0L 4-cylinder gasoline or distillate engine, with estimated engine power of 30.4 hp. The tractor has a 4-speed or optional 12-speed Sherman Combination Transmission, mechanical steering, manual drum brakes, and an open operator station. It has a wheelbase of 70 inches, weighs between 2,410 and 2,717 pounds depending on configuration, and offers a rear Type I hitch with 800 lbs lift capacity. The 8N was known for its reliability and versatility on farms.
Ford 8Ntractorspecificationsenginetransmissiondimensionspowerhydraulicsfarm tractor
Power30 hp[P]
Founded1947 - 1952
Model8N

Technical Specifications

Detailed specifications and technical data for Ford 8N

Power

PTO (tested):23.24 hp (17.3 kW)
Belt (tested):25.77 hp (19.2 kW)
PTO (claimed):27.32 hp (20.4 kW)
Drawbar (tested):21.95 hp (16.4 kW)
Drawbar (claimed):23.16 hp (17.3 kW)

Engine

Torque:92 lb-ft (124.8 Nm)
Point gap:0.015 inches (front-mount) (0.381 mm), 0.025 inches (side-mount) (0.635 mm)
Rated RPM:2000
Torque RPM:1500
Bore/Stroke:3.188x3.75 inches (81 x 95 mm)
Compression:6:1, 6.7:1 after s/n 85000
Displacement:119.7 ci (2.0 L)
Firing order:1-2-4-3
Oil capacity:6 qts (5.7 L)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:6
Engine options:Ford 2.0L 4-cyl gasoline, Ford 2.0L 4-cyl distillate
Gasoline engine:Ford 4-cylinder 8-valve liquid-cooled
Coolant capacity:12 qts (11.4 L)
Distillate engine:Ford 4-cylinder liquid-cooled, 119.7 ci (2.0 L), Bore/Stroke 3.188x3.75 inches (81 x 95 mm), Compression 4.75:1, Rated RPM 2000, Firing order 1-2-4-3, Starter volts 6, Coolant capacity 12 qts (11.4 L), used on 8NAN variant
Intake valve clearance:0.011 inches cold (0.279 mm)
Exhaust valve clearance:0.015 inches cold (0.381 mm)

Capacity

Fuel:10 gal (37.9 L)
Hydraulic system:5 gal (18.9 L)

Variants

8NAN:distillate engine

Dimensions

Width:64.75 inches (164 cm)
Height:54.5 inches (138 cm)
Length:115 inches (292 cm)
Wheelbase:70 inches (177 cm)
Rear tread:48/52/56/60/64/68/72/76 inches (121/132/142/152/162/172/182/193 cm)
Front tread:48/52/56/60/64/68/72/76 inches (121/132/142/152/162/172/182/193 cm)
Weight shipping:2,410 lbs (1093 kg)
Ground clearance:13 inches (33 cm)
Weight ballasted:4,043 lbs (1833 kg)
Weight operating:2,717 lbs (1232 kg)
Clearance (front axle):21 inches (53 cm)

Electrical

Ground:positive
Battery AH:80
Battery volts:6
Charging amps:20
Charging system:generator

Hydraulics

Capacity:5 gal (18.9 L)
Pressure:1700 psi (117.2 bar)
Pump flow:2.85 gpm (10.8 lpm)

Mechanical

Drive:Two-wheel drive
Brakes:Manual drum brakes
Steering:mechanical
Operator station:Open operator station

Production

Series:N Series
Built in:Highland Park, Michigan, USA
Category:Utility tractor
Total built:524,000
Original price:$1,404 in 1952
Years produced:1947 - 1952

Transmission

Gears:4 forward and 1 reverse
Notes:Tractor must be stopped and clutch used to shift between gears.
Oil type:Ford M4864A (32°F [0°C]↑), Ford M4864B (32°F [0°C]↓)
Oil capacity:20 qts (18.9 L)
Transmission type:constant mesh
Transmission options:4-speed, 12-speed
Sherman Combination Transmission:12 forward and 3 reverse gears, auxiliary gearbox provides Step-Up (1 to 1.495) and Step-Down (1.513 to 1) ranges

Tractor hitch

Rear Type:I
Rear lift:800 lbs (362 kg)

Serial Numbers

1947:1
1948:37908
1949:141370
1950:245637
1951:343198
1952:442035
Final:524076
Location:On the engine block, left-hand side, just behind oil filter. A star indicates steel sleeves, a diamond indicates cast-iron sleeves.

Power Take-off (PTO)

Rear PTO:transmission
Rear PTO Type:545 (1.125)

Related Models

Ford NAA

Model:NAA

Ford 2N

Model:2N