Ford

Ford 8N

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.

Power30 hp[P]

Founded1947 - 1952

Model8N

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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.