Ford 8N tractor specifications

1947 - 1952

1947 - 1952 N SeriesUtility tractor

Production

Production Manufacturer:Ford
Type:Utility tractor
Factory:Highland Park, Michigan, USA
Total built:524,000
Original price:$1,404 (1952 )

Variants

Variants 8NAN:distillate engine

Ford 8N Power

Ford 8N Power Drawbar (claimed):23.16 hp
17.3 kW
PTO (claimed):27.32 hp
20.4 kW
Drawbar (tested):21.95 hp
16.4 kW
PTO (tested):23.24 hp
17.3 kW
Belt (tested):25.77 hp
19.2 kW
power test details ...

1947 - 1952

N Series

Utility tractor

Nebraska Tractor Test 385

Nebraska Tractor Test 385
Gasoline 4-speed 2WD September 8 - 19, 1947 Link: Nebraska Tractor Test 385 file
Belt power (max):	21.06 hp 15.7 kW
Belt fuel use (max):	2.7 gal/hour 10.2 l/hour
PTO performance
Power at rated engine speed:	18.35 hp 13.7 kW
Fuel use:	2.5 gal/hour 9.5 l/hour
Drawbar performance
Max power:	20.8 hp 15.5 kW
Max pull:	2,810 lbs 1274 kg

Nebraska Tractor Test 393

Nebraska Tractor Test 393
Gasoline 4-speed 2WD May 11 - 18, 1948 Link: Nebraska Tractor Test 393 file
Belt power (max):	25.77 hp 19.2 kW
Belt fuel use (max):	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power:	21.72 hp 16.2 kW
Gear 2 used for power test.
Max pull:	2,751 lbs 1247 kg
Gear 1 used for pull test.

Nebraska Tractor Test 443

Nebraska Tractor Test 443
Gasoline 4-speed 2WD June 16 - 27, 1950 Link: Nebraska Tractor Test 443 file
Belt power (max):	25.49 hp 19.0 kW
Belt fuel use (max):	2.3 gal/hour 8.7 l/hour
PTO performance
Power at rated engine speed:	23.24 hp 17.3 kW
Fuel use:	2.1 gal/hour 7.9 l/hour
Drawbar performance
Max power:	21.95 hp 16.4 kW
Gear 2 used for power test.
Max pull:	2,810 lbs 1274 kg
Gear 1 used for pull test.

Nebraska Tractor Test 444

Nebraska Tractor Test 444
Distillate (8NAN) 4-speed 2WD June 22 - 29, 1950 Link: Nebraska Tractor Test 444 file
Belt power (max):	21.87 hp 16.3 kW
Belt fuel use (max):	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power:	18.79 hp 14.0 kW
Gear 2 used for power test.
Max pull:	2,355 lbs 1068 kg
Gear 1 used for pull test.

Ford 8N Engines

Ford 8N Engines Ford 2.0L 4-cyl gasoline Ford 2.0L 4-cyl distillate Engine details ...

1947 - 1952

N Series

Utility tractor

Engines overview

Engines overview
Ford 2.0L 4-cyl gasoline
Ford 2.0L 4-cyl distillate

Engine Detail

Engine Detail
Ford
gasoline
4-cylinder 8-valve
liquid-cooled
Displacement:	119.7 ci 2.0 L
Bore/Stroke:	3.188x3.75 inches 81 x 95 mm
Compression:	6:1
	6.7:1*After s/n 85000
Rated RPM:	2000
Torque:	92 lb-ft 124.8 Nm
Torque RPM:	1500
Firing order:	1-2-4-3
Starter volts:	6
Coolant capacity:	12 qts 11.4 L
Sparkplug gap:	0.025 inches 0.635 mm
Point gap:	0.015 inches 0.381 mm (front-mount)
	0.025 inches 0.635 mm (side-mount)
Intake valve clearance:	0.011 inches 0.279 mm *Cold
Exhaust valve clearance:	0.015 inches 0.381 mm *Cold

Engine Oil

Engine Oil

Oil capacity:	6 qts 5.7 L

Engine Detail

Engine Detail
Ford
distillate
4-cylinder
liquid-cooled
The distillate engine was used on the 8NAN variant.
Displacement:	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

Engine Oil

Engine Oil

Oil capacity:	6 qts 5.7 L

Mechanical

Mechanical Chassis:4x2 2WD
Steering:mechanical
Brakes:manual drum
Cab:Open operator station.
Transmissions:4-speed
12-speed
Transmission details ...

1947 - 1952

N Series

Utility tractor

Transmissions overview

Transmissions overview
4-speed
12-speed

Transmission

Transmission:

constant mesh

Gears:

4 forward and 1 reverse

Oil capacity:

20 qts
18.9 L

Oil type:

32oF [0oC]↑	: Ford M4864A
32oF [0oC]↓	: Ford M4864B

Tractor must be stopped and clutch used to shift between gears.

32oF [0oC] ↑

32oF [0oC]↑	: Ford M4864A
32oF [0oC]↓	: Ford M4864B

Speeds

Speeds

Transmission

Transmission
Transmission:	Sherman Combination Transmission
Gears:	12 forward and 3 reverse
The Sherman Step-Up and Step-Down Combination transmission provided two additional ranges, one higher and one lower, through the use of an auxiliary gearbox. The Step-Down was geared down by 1.513 to 1. The Step-Up was geared up by 1 to 1.495.

Speeds

Speeds

Capacity

Capacity Fuel:10 gal
37.9 L
Hydraulic system:5 gal
18.9 L

Hydraulics

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

Tractor hitch

Tractor hitch Rear Type:I
Rear lift:800 lbs
362 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission
Rear RPM:545 (1.125)

Dimensions & Tires

Dimensions & Tires Wheelbase:70 inches
177 cm
Weight:2410 to 2717 pounds
Front tire:4.00-19
Rear tire:10-28
Full dimensions and tires ...

1947 - 1952

N Series

Utility tractor

Ford 8N Tires

Ford 8N Tires
Ag front:	4.00-19
	6.00-16
Ag rear:	10-28
	11.2-28

Dimensions

Dimensions
Wheelbase:	70 inches 177 cm
Length:	115 inches 292 cm
Width:	64.75 inches 164 cm
Height:	54.5 inches 138 cm
Ground clearance:	13 inches 33 cm
Clearance (front axle):	21 inches 53 cm
Front tread:	48/52/56/60/64/68/72/76 inches 121/132/142/152/162/172/182/193 cm
Rear tread:	48/52/56/60/64/68/72/76 inches 121/132/142/152/162/172/182/193 cm

Ford 8N Weight

Ford 8N Weight
Shipping:	2,410 lbs 1093 kg
Operating:	2,717 lbs 1232 kg
Ballasted:	4,043 lbs 1833 kg

8N Serial Numbers

8N Serial Numbers Location:On the engine block, left-hand side, just behind oil filter. A star indicates steel sleeves, a diamond indicates cast-iron sleeves.
photo of 8N serial number
1947:1
1948:37908
1949:141370
1950:245637
1951:343198
1952:442035
Final:524076

how to read serial numbers...